^  ATLANTIC  BIOLOGICAL  STATION 

^"  ST.  ANDREWS,  N.  6. 

IJ   C  SMITHSONIAN    INSTITUTION. 

UNITED  STATES  NATIONAL  MUSEUM. 


BULLETIN 


OF   THE 


UNITED  STATES  NATIONAL  MUSEUM. 


No.    45. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDi 


BY 


WILLIAM   H.   AS tl MEAD. 


WASHII?^GTOI5- :  U  ()  J  i  5  U 

GOTERNMENT    PllINTING    OFFICE. 

1893.  ^   C^^ 


ADVERTISEMENT. 


This  work  (Bulletin  ^o.  45)  is  one  of  a  scries  of  papers  intended  to 
illustrate  the  collections  belongiuji'  to  the  United  tSttites,  and  consti- 
tuting the  National  Museum,  of  which  the  Smithsonian  Institution  was 
placed  in  chai'ge  by  the  act  of  Congress  of  August  10,  164(1, 

The  publications  of  the  National  Museum  consist  of  two  series — the 
Bulletin,  of  which  this  is  No.  45,  in  continuous  series,  and  the  Proceed- 
ings, of  which  the  sixteenth  volume  is  now  in  press.  A  small  edition 
of  each  pai)er  in  the  Proceedings  is  distributed  in  pamphlet  form  to 
specialists  in  advance  of  the  publication  of  the  bound  volume. 

The  Bulletin  of  the  National  Museum,  the  publication  of  which  was 
commenced  in  1875,  consists  of  elaborate  papers  based  upon  the  collec- 
tions of  the  Museum,  reports  of  expeditions,  et<'.,  while  the  Proceedings 
facilitate  the  prompt  publication  of  freshly-acquired  facts  relating  to 
biology,  anthropology,  and  geology,  des(!riptions  of  restricted  groups 
of  animals  and  plants,  the  discussion  of  particular  questions  relative 
to  the  synonymy  of  species,  and  the  diaries  of  minor  expeditious. 

Other  papers,  of  more  general  popular  interest,  are  printed  in  the 
Appendix  to  the  Annual  Eeport. 

Full  lists  of  the  publications  of  the  Museum  may  be  found  in  the  cur- 
rent catalogues  of  the  publications  of  the  tSmithsonian  Institution. 

Papers  intended  for  publication  in  the  Proceedings  and  Bulletin  of 
the  National  Museum  are  referred  to  the  Committee  on  Publications, 
composed  as  follows:  T.  H.  Bean  (chairman),  A.  Howard  Clark,  K.  E. 
Earll,  Otis  T.  Mason,  Leonhard  Stejneger,  Frederick  W.  True,  and 
Lester  F.  Ward. 

S.  P.  Langlev, 
ISt'crcUiri)  of  the  Smithsonian  Institution. 

Washington,  1).  C,  July  5th,  1893. 


MONOGRAPH 


OF   THE 


m^B.  AMERICAN  PROCTOTEYPIM. 


vx 


WILLIAM   H.   ASHMEAD. 


iMii 


WASHDTGTON: 
GOVERNMENT  PRINTING  OFFICE. 

1893. 


P  R  E  F  A  C  i: 


In  the  present  work  I  have  attempted  to  give  a  systematic  descrip- 
tion of  the  spe(des  of  the  Ilymenopterons  family  Proctotrypidn^  found 
in  North  America,  north  of  Mexico,  at  the  same  time  systematizing 
and  describing  the  genera  of  the  worhl,  as  an  aid  to  fnture  students. 

It  represents  several  years  stndy  of  the  family,  and  although  sen- 
sible of  its  incompleteness  and  many  imperfections  I  shall  be  fully 
repaid  for  the  labor  involved  if  I  have  paved  the  way  for  a  more 
thorough  stiuly  of  the  family  or  stimulated  others  to  collect  these 
curious  insects  and  study  their  renuirkable  habits. 

In  the  preparation  of  this  work  my  thanks  are  especially  due  to  the 
following  friends: 

To  Mr.  W.  Hague  Harrington,  of  Ottawa,  Canada,  I  am  indebted 
for  valu.able  contributions  to  my  cabinet  during  many  years  and  for 
types  of  some  of  the  species  described  by  the  Abbe  Provancher;  to  my 
friends  and  colleagnes,  E.  A.  Schwarz,  The«).  Pergande,  and  Otto 
Heidemann,  who  have  contributed  by  donating,  from  time  to  time, 
specimens  taken  during  our  entomological  excursions  in  and  around 
Washington  and  elsewhere;  to  Prof.  E.  A.  Popenoe,  for  a  few  species 
collected  in  Kansas;  to  Dr.  C.  Y.  Kiley,  for  the  free  use  of  his  valuable 
notes  on  the  rearings  and  habits  of  the  species,  and  for  other  courte- 
sies shown  me  during  the  progress  of  the  work ;  to  Mr.  L.  O.  Howard, 
my  friend  and  colaborer  in  the  Microhyjnenoptera  for  like  courtesies; 
to  Dr.  Gustav  Mayr,  of  Vienna,  Anstria,  for  some  typical  European 
genera,  and  to  Dr.  C.  W.  Stiles,  for  making  a  microscopical  section  of 
the  ovipositor. 

Finally,  to  Prof.  Dr.  K.  Mobius,  director  of  the  Royal  Berlin  Museum, 
and  to  Dr.  F.  Karsch,  custodian  of  said  museum,  my  warmest  thanks 
are  due  for  allowing  me  to  study  and  describe  the  North  American 
species  contained  therein, 

I  have  also  had  the  privilege  of  studying  and  describing  the  many 
new  and  interesting  forms  in  the  National  collection  and  in  the  collec- 
tion of  the  American  Entomological  Society,  kindly  sent  by  Mr.  E.  T. 
Cresson  to  the  Museum  for  study  and  exchange,  and  which  contains 
the  types  of  Cresson,  Pattou,  and  Haldeman. 

Dr.  Riley  has  also  permitted  me  to  include  from  bis  manuscript,  a 

few  descriptions  of  sjiecies  in  which  he  has  been  particularly  interested. 

W.  H.  A. 
WASHmGTON,  l>.  C,  March  4f  1893. 


C  O  N  T  E  N  T  S 


Pago. 

Prefaro 5 

lutroduetion y 

External  structural  characters:  The  head;  the  thorax;   the  .ihdomen,  ovi- 
positor, etc 10 

Habits  of  tlie  perfect  iiisiicts Ki 

Diiiiorphisiu  ami  pa rtlicnogciu'sis 17 

The  transforiiiatiojis  or  life  history IK 

The  egy  and  eiubryological  (hivelopiiieiit;   tke  larva-,  tlieir  habits  and 
jinpation. 

Distribution 21 

Classilicutiou 22 

Table  of  the  snlifainilies gfi 

Subfamily         I.— Hethylina' 27 

II.— Euiboh  niiuie    77 

III.— Dryiiiina' 80 

IV. — Ceraphroniua' 102 

V, — Seelioiiinie 13(5 

VI. — riatygasteriuie 247 

VII.— Heloriua' 330 

VIII.— Proctotrypiiiie 331 

IX.— Bely  tiiiie 345 

X. — Diapriinai 3H4 

Tabular  view  of  the  bred  NortU  American  Proctotrypidie 449 

Literature  .ind  al»l)reviations.. 453 

Explanation  to  i»late.s 459 

I»'l«x 4(}5 


T  N  T  U  ( )  D  U  C  T  I  O  N 


What  a  widn  field,  thoreforo,  romains  to  be  iiivestiKi>t<<l  l>«!foie  wo  Hhall  become 
acqiiaiiitctl  with  tiio  (>(H),(MH)  or  vvrii  .KM),()(H)  Hpocien  hiii)])oh(;,1  by  Messrs  Kirby  ami 
SpoucM'  to  fxist;  and  how  absurd  doos  it  st'Ciii  to  consiib'r  our  systems  or  rather  sys- 
tem as  lirmly  establislied  whilst  so  little  is  comparatively  known. — Wkstwood,  in 
183:i 

Although  (he  classification  of  insects  is  in  a  nxn-e  satisfactory  condi- 
tion than  wlicn  Prof.  Wcstwood  wrote  these  nieniorable  words,  more 
than  liirif  a  century  ago,  a  fact  due  in  great  part  to  this  Nestor  of 
entomology  an<l  Ins  conte^nporaries,  our  system  of  ilassitication  can 
not  yet  be  considered  tlrmly  established.  Instead  of  (»()0,0()0  species 
to  deal  witli,  hiter  estimates  phice  them  at  millions.  Messrs.  Sharp 
and  Walsingham  in  1880  placed  them  at  two  millions;  while  the  latest 
authority,  that  of  Dr.  C  V.  Ililey,  1802,  indicates  that  there  are  jjerliaps 
1(),000,()()0  species  existing  on  the  globe. 

In  these  pages  it  is  my  province  to  treat  of  only  a  small  proportion  of 
this  intricate  and  perplexing  aggregate  of  forms,  as  found  in  America, 
north  of  Mexico,  viz:  those  of  the  single  family  Proctotrypidie. 

The  Proctotrypidie,  by  some  authorities,  are  considered  to  be  closely 
allied  to  the  Chalcidi(he  and,  in  a  systematic  arrangement  of  the 
hymenopterous  families,  usually  follow  them  in  our  manuals  and  cata- 
logues. 

I  consider,  however,  that  they  have  but  little  affinity  with  tho  Chalci- 
didie  and  that  this  arrangement  is  unnatural.  They  are  in  every  re- 
spect more  closely  allied  to  the  Jlymenoptera  anileata,  the  Ohrysididie, 
Scoliida^,  Mutillida',  and  Thynnidie;  while  in  the  Terebrantia,  I  be- 
lieve, they  approach  closest  to  the  parasitic  Cynipidai  {Allotriaf  Eueoilaj 
and  Figites). 

In  a  natural  arrangement,  therefore,  they  should  be  placed  at  the 
head  of  the  Terebrantia;  for  after  the  removal  of  the  group  Mymarinje, 
[which  I  hold  w  ith  Ilaliday  forms  a  separate  and  distinct  family  allied 
to  the  Chalcididai,]  there  is  no  relationship  with  the  Chalcididoe. 

With  the  Mymarin.ne  removed,  there  will  be  no  difhculty  in  distin- 
guishing, at  a  glance,  a  Proctotrypid  from  a  Chalcid.  In  all  true  Proc- 
totrypids  the  pronotum  extends  back  to  the  teguh-e  and  the  ovipositor 
issues  from  the  tip  of  the  abdomen,  the  sheaths,  except  in  a  few  ab- 
normal cases,  being  conjoined  and  forming  a  more  or  less  cylindrical 
tube  or  scabbard  for  the  reception  of  the  two  spiculie  and  the  ovii)ositor 
proper;  whereas,  in  all  Chalcids  the  pronotum  never  extends  bfick  to 

9 


10  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

the  tegulti!  autl  the  ovipo.sitor  issues  far  anterior  to  the  tip  of  the  abdo- 
men, reposing^  ill  a  ventral  slit  or  groove,  while  the  slieathsare  always 
distiiu'tly  8eparate<l,  never  conjoined. 

Other  families  in  the  terebrant  llynienoptera  agree  with  the  Proc- 
totrypidie  in  having  the  pronotnni  extending  baek  to  the  tegula';  but 
in  these,  except  in  the  family  I'elecinida',  which  I  now  believe,  with 
Haliday,  Cvesson,  and  Cameron,  is  closely  related  to  this  family,  the 
ovipositor  does  not  issue  from  the  tip  of  the  abdomen ;  besides,  other 
good  structural  characters  exist  that  readily  separate  them. 

From  the  families  of  the  Aculeata  they  are  separated  by  having,  ex- 
cept in  a  few  cases,  li-jointed  trochanters  and  in  venational  and  an- 
tennal  characters.  All  aculeate  Ilymenoptera,  excei>t  in  a  few  cases, 
have  the  antenna?  12-jointed  in  the  female  and  13-Jointed  in  the  male, 
while  in  the  Proctotiypida'  such  is  not  the  case:  either  both  sexes  have 
the  same  number  of  joints  or  a  less  or  greater  niind)er  in  the  opposite 
sex. 

With  these  few  iireliminary  remarks,  and  before  entering  into  the 
systematic  description  of  the  divisions,  genera,  .and  species,  I  have 
thought  it  advisable  to  go  more  fully  into  a  (lescrii>ti(>n  of  the  external 
structure,  biology,  and  classification. 

EXTERNAL   STKUCTT'RAL   ('lEARACTEKS.' 

TllK    IlKAI). 

The  head,  in  shape,  is  variable  in  the  different  groups;  it  may  be 
oblong,  tran8verse,quatlrate,  or  globular,  and  is  rarely  cornuted  ( (ralesHft). 
The  vertex  is  usually  convex  or  subconvex  and  in  only  two  genera, 
Bryinus  and  Oonatopus,  is  it  concave.  The  occiput  is  more  or  less 
concave  or  excavated,  with  the  superior  margin  rounded  or  sharp,  and 
frequently  margined,  the  margin  often  extending  along  the  cheeks 
{Seelio,  etc.).  The  ocelli  when  present  are  three  in  number  and  vari- 
ously arranged,  their  position  affording  excellent  secondary  generic 
characters;  they  are  absent  only  in  a  few  apterous  forms  in  the  differ- 
ent group>.  The  eyes  are  usually  of  moderate  size,  rounded,  ovate, 
or  oval,  and  most  frequently  convex;  in  the  wingless  forms  they  are 
occasionally  very  small  but  raiely  entirely  Avanting  [Isohrachium  9  ). 
The  clypeus  is  smnll  or  inconspieiious,  and  has  afl'orded  but  slight 
assistance  in  systematic  work,  although  possibly  more  use  could  be 
made  of  it.  In  the  IJethyliuie  it  is  strongly  carinated  medi.iUy.  The 
antenna'  vary  in  length,  shape,  and  in  the  number  of  joints  from  7  to 
15;  also  in  the  position  of  insertion.  They  may  be  elbowed  or  straight, 
seldom  exhibit  a  ring  joint,  and  are  of  i»rimary  importance  in  classifi- 
cation. It  is  usually  only  in  the  males  that  the  antennse  .ire  hniger 
than  the  body,  and  in  this  sex  they  .are  gener.ally  filiform  or  setaceous, 
more  rarely  clavate  or  subclavate,  raiely  branched  or  ramose,  and 


>  Details  figured  on  plate  i. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.        11 

dentate  or  pedicellate  and  vertieillate.  In  some  groups  the  number  of 
joints  is  alike  in  both  sexes,  but  in  others  they  are  more  numerous  in 
the  males,  while  in  at  least  one  group,  the  IJelytin.e,  the  females  have 
the  greater  number. 

The  mandibles  are  in  the  majority  of  the  groups  bidentate  or  bifid, 
but  in  th»' Bethylinai  and  Dryinina^  they  vary  from  2-  to  0-dentate: 
Apencsia  has  but  2;  Epyris  and  Mesitius  5  or  0;  i^derodenna  3  or  A, 
etc.  Most  of  the  genera  in  the  Dryinina-i  have  3  or  4;  the  ScelioninfB 
2  or  3;  while  in  only  one  gnmp,  the  Proctotrypina',  are  they  eden- 
tate. The  maxillie,  PI.  i,  Fig.  2,  terminate  in  one  or  two  large,  thin,  mem- 
branous lobes,  the  galea  and  lacinia,  while  the  mentum  ia  small,  horny, 
or  coriaceous.  The  maxillary  palpi  vary  in  the  number  of  joints  from 
2  to  (i  and  ai  i.sually  conspicuous  from  beneath.  The  labial  palpi,  PI. 
I,  Fig.  3,  on  the  contrary,  are  short  ami  inconspicuous,  usually  2-  or  3- 
jointed,  the  terminal  joint  being  the  longest;  while  in  one  group,  the 
Platygasterina",  they  are  1-jointed. 

THK   THORAX. 

The  thorax  is,  as  a  rule,  rarely  very  much  narrower  than  the  head, 
variable  in  breadth  and  length  in  the  different  groups,  and  is  of  the 
greatest  importance  in  classification.  Tlie  three  principal  divisions  are 
the  pro-,  meso-,  and  meta  thorax,  an<l  as  it  is  essential  that  the  compo- 
nent parts  of  each  of  these  divisions  should  be  thoroughly  understood, 
they  are  here  taken  up  separately,  the  i)arts  being  explained  by  letters 
on  PI.  I,  (Fig.  1,  7'.) 

The  prothorax  (Fig.  pt)  is  large  and  conspicuous  from  above,  with 
but  few  excepti(ms,  in  the  Bethylina^,  Embolemina^,  Dryinina^,  Procto- 
trypiufe,  and  in  some  of  the  Scelioninje,  while  in  the  other  groups  it  is 
more  variable,  usually  short  and  inconspicuous,  sometimes  very  small, 
and  often  not^  or  scarcely,  visible  from  above  {Telenommj  etc.).  It  sup- 
ports the  lu'ad  and  front  legs,  and  its  principal  component  parts  are: 
(Fig.  pu)  the  pronotum,  (Fig.  jt)  tlie  pleuron,  and  {Fig.  s}))  the  praester- 
num. 

The  mesothorax  is  the  largest  division  of  the  thorax.  It  supports 
the  front  wings  and  the  middle  legs,  ami  variations  and  peculiarities 
noticeable  in  its  various  sclerites  have  been  found  to  be  of  excellent 
specific  and  generic  value.  The  princip.al  sclerites  are:  (Fig.  w«)  me- 
soscutum,  w  liich  is  frequently  subdivided  into  three  parts  by  longitu- 
dinal furrows  (Fig.  j>/')  called  the  parapsidal  furrows;  it  is  then  said  to 
be  trilobed.  Fig.  m  becomes  the  middle  lobe.  Fig.  p  the  parapsides 
scapuhe  or  lateral  lobes.  Fig.  s  is  the  meso-scutellum,  usually  desig- 
nated as  the  scutellum,  and  has  usually  at  the  lateral  basal  angles  (Fig. 
nx)  two  subtriangular  sclerites  termed  axilhe.  Fig.  mps  is  the  meso- 
postscutellum,  often  visible  only  as  a  transverse  band,  carina,  or  fold, 
and  again  quite  distinct  and  armed  with  one  or  more  strong  spines  or 


12  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

tboru.s.  By  some  autlioiitics  it  is  cousideiecl  a  sclerite  of  the  meta- 
thorax.  Fij;.  ///  is  the  tej^iihi  or  wing  scah*  of  front  wiiij".  The  meso. 
pleuroii  (Fig,  inp)  is  eoniposed  of  episternnm  ami  epiiiieroii.  The  meso- 
sternura  is  undivided  and  \a  fre(piently  not  separated  from  the  ])leural 
sclerites. 

The  metathorax.  or  third  division  of  tlie  tliorax,  sni)]>orts  the  hind 
wiugs,  liind  h»gs.  and  the  al)dojnen,  and  it  also  is  (piite  variable  in 
length,  shape,  and  seulpture.  The  sides  (Fig.  infp)  are  termed  the 
metapleura,  and  the  selerite  (Fig.  .s7>)  extending  ol)li(xnely  forward 
from  the  insertion  of  the  hind  legs  to  the  base  of  the  hind  wing  and 
behind  the  mesoplenron  is  the  metepisterniim ;  the  npi»er  surface  (Fig. 
mn)  is  the  metanotum.  Fig.  up  nqn-esents  the  position  of  the  spiracles, 
while  ihn  shows  the  insertion  of  tlu^  hind  wings. 

Tlu!  other  normal  sclerihvs  arc^  not  differentiated. 

TiiK  wi\c;s. 

In  shape  and  neuration,  the  wings  exhibit  the  greatest  diversity,  and 
are  of  i)rimary  importance  in  «;lassitication.  As  a  rule,  the  hind  wings 
are  veinless  or  the  neuration  is  meager  (PI.  i,  Fig.  5),  the  highest  de- 
velo]>ed  having  but  a  single  basal  cell.  They  are  rather  broad  and 
with  a  distinct  lobe  in  the  Bethyliuiic,  Endwiemiuse,  and  th(^  Dryinime; 
broad  in  the  Froct<>tryin;e,  but  without  a  distinct  lobe;  while  in  the 
other  groups  they  are  much  narrowed  toward  base,  and  not  especially 
widened  toward  apex,  the  apex  being  sometimes  acute.  The  front 
wings  are  entirely  veinless  in  only  a  single  tribe,  the  Platygasteriui, 
although  another  tribe,  the  Inostemmini,  in  the  same  subfamily,  and  a 
few  genera  in  another  subfamily,  the  S(^elioninje,  are  almost  veinless, 
having  only  a  submarginal  vein  terminating  in  a  small  knob  or  stigma. 

The  neuration  of  the  anterior  w  ings  reaches  its  fullest  development 
in  the  Bethyliuie,  Embolemina'!,  Dryinina^,  and  Ilelorina',  although  even 
in  these  groups  there  are  genera  with  almost  veinless  wings  {Cephalono- 
mia,  etc.). 

The  neuration  of  the  tirst  three  of  these  groups  mentioned  more 
closely  resembles  that  of  the  (Jhrysididic  and  Scoliidje;  the  Ilelorina; 
and  some  genera  in  other  groups  that  of  the  Braconidje;  while  some 
genera  in  the  Scelioninse  closely  approach  that  of  the  Chalcidida>. 

The  great  variation  in  the  shape  of  the  wings  and  the  peculiarities 
of  venation  are  fully  brought  out  in  the  plates;  but  as  the  neuration,  in 
connection  with  other  characters,  is  of  primary  importance  in  a  sys- 
tematic study  of  the  family,  it  is  important  that  the  horismology  of 
the  wings  be  fully  understood. 

In  Figs.  4  and  5,  on  Fl.  i,  by  the  use  of  the  front  wing  of  Pristocera 
atra  Klug.  and  the  hind  wing  of  a  belytid,  as  being  the  most  special- 
ized in  the  group,  and,  with  the  explaaatiou  given  below,  the  tecbnical 
terms  may  be  easily  acquired. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE. 

Horismology  of  the  wings. 
FROXT  WIIfG. 


13 


Longitudinal  nerves. 

Tran.sverse  nerves. 

Cells  or  areolets. 

e.  Costal. 

6. 

Basal. 

1.  Costal  (cloee<l). 

ic.  Subcostal  or  submnr^inal. 

tm. 

Transverse  median. 

2.  First  ba.<!al. 

in.  Median. 

/(<-• 

First  transverse  cubital. 

8.  Second  basal. 

tm.  Submcdian. 

gtc. 

Second  transverse  cubital. 

4.  Anal. 

St.  Stigma,    or   marginal    nerve 

/<■ 

First  recurrent. 

5.  ilarginal  or  riuUai. 

stigniateil. 

«r. 

Second  recurrent. 

6.  First  discoidal. 

ps.  Postmarginal  orpoststigmal. 

d. 

Discoidal. 

7.  Second  discoidal. 

r.  Kadius  or  stigmal. 

8.  Tliird  discoidal. 

ebt  Cubital. 

9.  First  subinarginal. 

td.  Subdiscoidal. 

10.  Second  siibniar'iinal. 
11;  Tliird  subniarginal. 

12.  Fiist  apical  or  postanal. 

13.  Second  apical. 

HIJfD  WING. 


c.  Costal. 

6.  Basal. 

1.  Costal  cell  (op.-n). 

sc.  Subcostal. 

2.  liasal. 

ebt.  Cubital 

3.  Anal. 

St.  Marginal  or  stigma. 

THE    LEGS. 


The  shape  of  the  legs,  armature,  tibial  spurs,  number  of  joints  in 
tarsi,  length,  etc.,  also  atfortl  excellent  characters  in  classification.  In 
all  groups,  except  sometimes  in  the  Dryinime,  the  hind  legs  are  the 
longest.  The  femora  in  the  Uethylinjc  are  usually  very  much  swollen, 
their  tibia?  stout,  often  spiny  or  fossorial;  in  the  Dryinina"  and  Embo- 
lemimei  they  are,  for  the  most  ])art,  obdavate;  while  in  other  groups* 
they  are  usually  clavate  or  but  slightly  swollen.  The  tarsi,  except  in 
the  single  genuo  Iphetntchehis  llaliday,  in  which  they  are  4  jointed, 
are  always  o-Jointed.  In  all  groups,  except  in  the  Dryinina?,  they  are 
normal,  but  in  this  group  the  anterior  tarsi  in  tlie  females  in  most  of  the 
genera,  are  peculiarly  nuxlified,  being  chelate  or  furnished  with  a  pair 
of  pinchers  or  tongs,  that  evidently  att'ord  assistance  in  seizing  and 
holding  a  living  fulgorid,  membracid,  or  Jassid  (on  which  in  the  larval 
stage  they  are  parasitic),  while  in  the  act  of  oviposition. 

The  structure  of  the  leg  is  explained  in  PI.  i.  Fig.  1:  c  c  c,  coxae, 
anterior,  middle  and  posterior ;  fr,  trochanters,  one-jointed;  /cr,  femora; 
to,  tibijB;  tas,  tibial  spurs;  tsi,  tarsi;  el,  claws;  els,  simple,  clt,  toothed, 
elp,  pectinate;  ps,  pulvillus. 


THE    AIIDOMEN. 


The  abdomen  is  usually  composed  of  8  visible  tergites  and  G  urites, 
although  sometimes  these  are  reduced  in  number  to  as  low  as  3.  As 
in  other  families,  it  exhibits  great  variation  in  shape  and  size  and  in  its 


14  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

attaoliineiit  to  tbe  metatliorax,  tlie  teniiMi  sessile,  subse-ssile,  or  petiolate 
ex'^iressing  the  form  of  attaebmeut.  It  is,  however,  iievei-  attached  to 
tbe  (lorsuui  of  the  metauotum,  as  in  the  Evauiidie  and  some  Bracou- 
ida^ 

In  connting  the  abdominal  segments,  the  basal  one  is  usually  referred 
to  as  the  lirst  segment  or  the  petiole;  sometimes,  however,  this  seg- 
ment is  so  short  as  to  be  invisible  from  above,  or  at  least  not  visiblf; 
until  the  abdomen  has  been  detached  from  the  metatliorax;  it  is  then 
usual  to  designate  the  second  as  the  tirst. 

Tbe  3hai)e  of  the  abdomen  is  generally  ovate,  ovate-conic,  or  oval, 
but  often  oblong-oval,  broadly  oval,  fusiiorm,  or  linear.  It  is  rarely 
greatly  compressed,  although  frequently  depressed  or  somewhat  tlat- 
tened. 

In  some  genera,  in  the  Platygasterina>  and  Scelionina',  the  females 
are  furnished  with  a  peculiar  horn  like  structure  at  the  base  of  the 
abdomen  that  projects  forward  over  the  metathorax,  and,  indeed,  often 
as  far  forward  as  the  head  (PI.  xi.  Fig,  0).  It  gives  to  these  insects  a 
singular  appearance,  but  otherwise  has  no  functional  significance, 
being  merely  a  sexual  peculiarity. 

The  abdomen  reaches  its  gi  eatest  length  in  proportion  to  the  rest  of 
tbe  body,  probably  in  the  genus  Macrotclcia  (PI.  ix.  Fig.  G),  and  its 
most  unique  shape  in  Suetognstei'  (PI.  xii,  Fig.  4). 

Connected  with  the  abdomen  are  the  important  organs  of  reproduc- 
tion, tbe  ovipositor,  etc.,  which  will  now  be  described. 

THK   OVIPOSITOU. 

In  tbe  difterentiation  of  its  parts,  the  ovipositor,  in  this  family, 
agrees  with  other  terebrant  Hymenoptera,  the  only  visible  difference 
being  that  in  the  whole  group,  excei)t  in  three  or  four  abnormal  indi- 
viduals, tbe  outer  sheaths  are  conjoined  and  form  a  tube  or  scabbard 
at  tbe  tip  of  tbe  abdomen  that  affords  ])rotection  for  the  ovipositor 
proper  and  its  two  spicuhe  when  not  in  use.  Distinct  sutures  are 
visible  in  this  tube,  and  after  death  it  can  be  readily  separated  into 
two  plates. 

This  tubular  formation  of  the  sheaths  reaches  its  highest  develop- 
ment in  the  genus  Proctotrypes. 

On  PI.  I  two  forms  are  shown.  Fig.  G  represents  that  of  Froctotrypes 
caudatm  Say,  our  largest  species.  Here  the  tube  is  as  long  as  the 
abdomen,  slightly  compressed  and  curving  downward  at  tip.  It  is 
readily  detached,  and  in  the  tigure  is  represented  partly  detached,  in 
order  to  show  tbe  internal  structure  of  the  ovipositor.  The  terebra,  or 
oviiwsitor  proper  (f6a),  is  the  piece  through  which  the  egg  passes;  it  is 
composed  of  three  pieces,  a  broad  upper  plate  and  two  spicula?  [spc) 
or  lower  plates,  tbe  latter  united  to  the  former  by  a  dovetailed  joint 
(see  Fig.  0,  A  and  B).  These  three  pieces  are  dilated  and  lobed  at 
base  («p/),  and  are  conne*  '^ed  by  strong  muscles  to  a  basal  plate  [bp) 


MONOGRAPH  OF  THK  NORTH  AMERICAN  PROCTOTRYPID.E.        15 

with  the  iutenml  walls  of  the  abdomen,  their  tips  beiu^-  sharply  pointed, 
ueetlle-like,  and  usnally  mieioscopically  serrated.  The  spicuhTO  are 
used  for  i)iereinj^  or  borinjj;-,  and  move  forward  and  backward  ou  the 
upper  plate  as  a  saw  in  the  hands  of  a  carpenter. 

Figs.  7  and  8  represent  the  terebra  of  Epyrix  grandis,  one  of  the 
hirgest  species  in  our  fauna.  The  different  paits  are  lettered  identi- 
cally as  iu  i'.  e<ii(d((tH.s.  Here  the  tube  (or  outer  sheaths  conjoined) 
(nJis)  is  short  and  conical,  and  is  the  form  most  commonly  met  with  in 
the  family. 

At  rig-.  0  two  cross  sections  of  the  ovipositor  proper  are  shown — A 
from  ueai-  the;  base,  B  from  nearer  the  apex,  the  breadth  and  thickness 
varying  slightly  in  accordance  with  the  tapering  of  the  ovipositor. 
The  transverse  diameter  of  tiie  upper  plate  averages  about  0.042"^'" ; 
of  the  basal  plates  or  spicuhe,  0.015""",  while  vertically  they  average 
0.018'"'"  iu  diameter. 

It  will  be  seen  that  the  structure  of  this  cross-se»tion  agrees  fairly 
well  with  others  that  have  been  mad(;  of  the  terebrant  llymenoptera, 
the  only  real  dilference  being  the  nuich  larger  canals  through  the 
center  of  the  three  pieces  and  the  small  additional  canal  in  the  lower 
inner  angle  of  the  spicula*. 

All  the  canals  have  apparently  a  membranous  lining,  and  unless  they 
have  something  to  do  with  the  control  of  the  ovipositor  their  function 
is  not  apparent. 

MALE  GENITALIA. 

It  takes  so  much  time  to  thoroughly  study  the  organs  of  generation, 
on  account  of  their  minute  size,  in  most  groups  of  the  llymenoptera 
Parasitica,  besides  the  almost  absolute  certainty  of  the  destruction  of 
valuable  specimens,  that  most  entomologists  are  content  to  depend 
upon  external  characters  for  the  recognition  of  species,  and  conse- 
quently comparatively  little  is  known  of  the  male  genitalia  in  any 
family  composing  this  section,  although  there  can  be  no  doubt  as  to 
the  specific  and  classiflcatory  value  these  organs  possess. 

In  order  to  give  some  idea  of  these  organs  in  the  Proctotypidie,  on 
PI.  I,  I  have  figured  the  male  genitalia  of  three  different  si)ecies. 

Fig.  10  represents  the  male  genitalia  of  Epyris  carbonari  us:  A,  the 
parts  viewed  from  above;  p,  penis  or  penal  sheath,  strongly  exserted, 
iu  outline  narrow,  harp  shaped,  although  strongly  flattened  like  a  leaf, 
bilobed  at  apex,  the  lobes  with  rouiuled  margins;  at  the  middle  (o)  is  a 
longitudinal  slit  or  opening,  the  orifice  for  the  fleshy  penis.  On  each 
side  of  the  penis,  attached  to  a  swollen  lobe  at  base,  are  two  horny 
sheaths,  a  pair  on  each  side,  that  nuiy  be  termed  respectively  the  upper 
and  lower  sheaths;  us  is  the  upper  sheath.  In  this  species  it  is  slender 
and  gradually  acuminate,  or  lanceolate;  ?,s  is  the  lower  sheath;  it  is 
much  larger,  broader,  and  more  rounded  at  apex,  although  it  is  here 
divided  by  a  longitudinal  slit  into  two  more  or  less  distinct  points,  each 


16  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

point  iMHiig-  suiTouuded  by  stift'  hairs;  oiitwaidly  tUe  surface  is  convex 
and  smooth,  except  at  about  two-thirds  its  length,  where  there  is  a  tutt 
of  h)iig  liairs.  At  B  the  same  parts  are  shown  as  viewed  from  beneath, 
together  with  other  parts  not  visible  from  above;  us,  the  upper  sheath; 
Is,  tlie  lower  sheath;  p,  penis;  jw,  penal  claspers,  the  outer  margin  of 
which  are  fringed  with  several  lon<?  spines  or  hooks;  hi,  swollen  basal 
lobes,  to  which  the  upper  and  h)wer  sheaths  are  attached.  All  these 
organs,  except  the  tips  of  the  upper  and  lower  sheaths,  when  not  in 
use,  are  withdrawn  within  the  apical  abdominal  segments  and  are  only 
visible  when  exsertcd.  The  swollen  basal  lobes  (/>/)  and  tlie  penal 
claspers  (pe)  seem  not  to  have  been  noticed  before,  and  I  believe  are 
now  pointed  out  for  the  tirst  time. 

Fig.  11  represents  the  male  genitalia  of  Proetotrypes  coudatus  Say, 
as  seen  from  the  side  after  the  removal  of  the  left  ventral  spine:  vs, 
right  ventral  spine;  ns,  upper  sheath,  slender  and  davate;  Is,  lower 
sheath,  very  broad  and  Hat  and  terminating  in  four  chitinous  lobes. 

Pig.  12  represents  the  same  organs  in  the  male  of  Scleroderma  ct/lin- 
dried,  after  Westwood:  us,  upper  sheaths,  ''the  extremities  of  which 
are  thin  and  incurved";  Is,  lower  sheaths,  ''broad  and  each  with  a 
broad,  simple  stipes  {(Id),  and  f<mr  terminal  l(>bes  (<),  two  of  which  are 
setose  at  the  tips,  and  (me  at  least  more  rigid  than  the  other  parts." 

In  Fig,  13,  PI.  I,  I  represent  the  ovipositor  of  IScleroderma  ephippium, 
after  Westwood.     In  his  explanation  he  says: 

The  parts  of  the  ovii>ositor  itself  are  vevtit'ally  compressed,  the  recurved  bases  of 
the  spicuhe  (e),  with  their  muscular  angulated  lobe  or  catch  iff),  beini^  represented 
as  flattened.  By  strong  protrusion  of  the  spicuhn  beyond  the  extremity  of  terebra, 
the  curved  basal  portions  of  the  former  arc  straightened  and  brought  forward  to 
the  base  of  the  t(>rebra,  where  their  dilated  angular  form  prevents  tlicm  from  further 
protrusion.  The  parts  marked  c.  e.  are  the  mcmliranous  plates  connecting  the  base 
of  the  spicula;  and  of  the  terebra  itself  with  the  interior  of  the  abdomen. 

HABITS   OF   THE   PERFECT   INSECTS. 

The  imagos  are  most  frequently  found  wherever  their  hosts  are  most 
plentiful  and  th<»ir  lives  are  of  short  duration,  seldom  extending  beyond 
a  few  days.  Those  I  have  kept  in  conrtnement  live  but  four  or  live 
days,  although  in  freedom  they  probably  live  longer. 

The  favorite  resorts  for  diapriids,  bethylids,  and  proctotrypids  are 
low,  moist  places,  where  there  is  a  luxuriant  growth  of  vegetation  and 
a  black  or  mucky  soil,  the  decaying  vegetation  attording  excellent  food 
for  their  hosts — dipterous  and  other  larva'.  The  opening  buds  and 
newly  formed  leaves  of  plants  and  trees,  and  especially  along  the  out- 
skirts of  a  dense  forest  or  wood,  are  particularly  attractive  to  platygas- 
terids  and  telenomids,  while  the  bethylids,  dryinids,  and  scelionids,  as 
a  rule,  frequent  the  more  ©pen  fields.  In  Florida,  dry  sandy  knolls, 
where  the  scrub  oak  grows,  are  the  favorite  resort  of  the  bethylids. 
Species  in  the  genera  Epyris  and  Mesitius,  I  have  taken  most  frequently 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PHOCTOTRYPIDiE.        17 

on  trees  badly  infested  with  lepidoiJterous  leaf  ndleis  smd  minerH. 
Other  genera  t"re<iuent  fungi,  wliile  iVoni  recent  observations  ant  nests 
and  their  vieinity  are  good  fiehls  for  some  raie  species  in  otiier  genera. 

As  a  rub  ,  1b>\vers  Tire  U'ss  frequi'ntly  visited  by  tlie  tiny  species  of 
tliis  faujily  than  in  the  other  hynienopterons  families,  e\cei>t  those 
tiowers  that  all'ord  protection  or  thml  for  their  hosts.  Various  platy- 
gasterius  are  the  only  luenibers  of  the  family  that  I  can  recall  having 
captured  on  llowers,  and  in  sui^h  cas<*s  the  flowers  were  invariably  in- 
fested with  cecidomyiid  larva-,  on  which  they  were  parasitic. 

When  cai)tured,  as  with  other  llynieiKtptera,  some  pnM-totrypidsgive 
off  a  waspy  or  pungent  odor.  I'rof.  Westwood  has  recorded  the 
fact,  taken  from  Mr.  Saunders's  MS.  notes,  that  the  female  Scleroderma 
linearis,  taken  in  a  house  September  liS,  l.Sl'J,  stinging  his  neck,  wken 
captured  "thrc^w  out  a  pungent  IVetid  odor." 

UIMORPIIISM    AND    PARTIIENOOENESIS. 

There  is  scarcely  any  doubt  but  that  many  of  the  wingless  forms 
to  be  found  in  various  genera  of  this  family  are  only  dimorphic  forms 
of  winged  species,  although  comparatively  little  is  positively  known 
on  the  subject.  Until  such  forms  are  bred  from  generation  to  genera- 
tion, however,  as  has  been  done  in  the  Cynipida'  by  Dr.  11.  Adler,  we 
must  be  content  to  describe  these  forms  as  distinct  species,  for  any 
other  course  would  be  unscientitic  or  guesswork.  In  this  monograph 
I  have  not  hesitated,  therefore,  to  give  these  apterous  individuals  a 
separate  siMJcitic  name.  Doubtless  also,  as  in  the  Blastophagie,  or  tig- 
insects,  trimorphism  occurs. 

Prof.  Westwood,'  la  speaking  of  the  genus  Scleroderma  says: 

Some  of  the  spt^cies  of  this  genus  exhibit  a  remarkable  instance  of  dimorphism 
and  even  trimorphism  in  the  females,  some  of  which  are  furnished  with  certain  of 
the  characteristics  of  the  opposite  sex.  Sir  S.  S.  Saunders,  in  addition  to  the  ordi- 
nary female  of -S.  ephippmm  destitute  of  wings  and  ocelli,  found  one  agreeing  in  the 
general  form  of  the  body  with  the  females,  but  possessing  the  fully  developed  wings 
and  ocelli  of  the  male.  Remembering  the  diversity  in  the  size  of  the  heads  of  dif- 
ferent individuals  among  some  of  the  species  of  ants,  I  was  curious  to  ascertain  how 
far  this  character  was  to  be  found  in  these  different  individuals.  Their  heads  were, 
therefore,  drawn  of  a  large  size  by  the  camera  lucida,  which  was  then  carefully  re- 
duced by  measurement,  when  it  appeared  that  the  heads  of  the  normal  females  were 
slightly  longer  than  wide,  whereas  the  head  of  the  winged  and  ocellated  females 
was  considerably  broader  than  long,  although  its  length  agreed  very  nearly  with 
that  of  the  normal  female.  Their  relative  proportions  may  be  expressed  by  the  fol- 
lowing figures : 


Long.  Wide, 


Uoad  of  normal  fep  ale  without  winga  or  ocelli 

Head  of  female  wit  h  wuigfl  and  ocelli 

'  Trans.  Ent.  Soc.  Lend.,  1881,  p.  120. 
21989— No.  45 2 


77 
78 


75 
90 


18  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Tliesr  mtsasureinciits  inay  !>«•  <i)iitrii»toil  with  thoNc  of  the  normal  male  of  iS.  cylin- 
driva  from  '.'revfs.i,  drawu  to  the  same  scale: 


That  «f  the  winged  and  ocellnU-d  malt*  lu^iiif; 

Thatof  tlio  wiiiKlexH  and  uiiocellati-d  female  Ix'iu;; 


Long. 

61 
97 


I 


Wide. 

00 

78 


The  anomaly  in  carried  still  furtluT  in  the  Coylonese  S.  riflilano,  of  which  I  have 
only  8een  two  female  8))ecimens,  cue  of  which  had  fully  developed  winj^s  ami  ocelli, 
whilst  the  other  was  winj^le.ss,  hut  {los.scMsed  ocelli.  Hut  the  anomalous  characters 
of  the  genus  are  not  confined  to  the  females,  since  Sir  S.  S.  Sannilers  cai)tured  a 
wingless  male  provided  with  slender  antenna'  and  with  three  large  ocelli,  hut  en- 
tirely destitute  of  wings. 

Mr.  Hsiliday's  observation  on  his  LabolipH  htni(2ita  is  tht'  only  case 
bearing?  directly  upon  i)artlicnogcnsis  m  the  I'roetotrypidic,  kno\v,n  to 
me.  Jle  found  the  ovaries  form  each  an  oblate  .spheroid,  entirely  cov- 
ered with  regular  small  protuberances,  as  if  they  were  composed  of  an 
agglomeration  of  globular  cells;  the  sei)arate  oviducts,  in  the  short 
axis  of  the  ovary,  of  considerable  volume,  and  nearly  as  long  as  the 
transverse  diameter  of  the  ovary,  united  into  a  short  excretory  canal; 
no  seminal  receptacle  was  discovered,  while  in  both  specimens  exam- 
ined there  was  apparently  a  malformation  of  the  malpighiau  vessels,  so 
that  he  could  not  determine  their  number  with  absolute  certainty. 

Mr.  Haliday  considered  the  form  of  the  ovaries  without  a  parallel 
among  the  rest  of  the  Hymenoptera.  and  the  absence  of  a  seminal  re- 
ceptficle,  if  his  observation  could  be  dei)ended  upon  as  exact,  most  sin- 
gular, as  this  appendage  is  found  in  form  even  in  the  agamous  Cynipidai. 

TRANSFORMATIONS  OB  LIFE   HISTORY. 

TIIK   EGG.S. 

The  eggs  of  the  Proctotrypids  known  to  me  are  ovate  or  oblong  in 
shape,  with  a  more  or  less  distinct  peduncle  at  one  eiul,  and  agree  well 
in  general  with  many  in  the  family  Ichneumonida',  although  those  in 
the  subfamily  l'latygasteriua»,  on  account  of  the  longer  i)eduncle,  more 
closely  resemble  those  in  the  family  Cynipida*. 

EMBKVOLOUICAL   DEVELflI'MENT. 

Ganin,!  1869,  was  the  first  biologist  to  study  the  embryological  de- 
velopment of  certain  proctotrypids — PlatyyaHter,  Tckas,  etc.,  while  an 
American  biologist,  Prof.  Ayers,^  has  given  the  embryological  de- 
velopment of  a  Scelionid,  in  his  paper  entitled  ''  On  the  Development 

•Ueber  der  Embryonalhiillc  der  Hymenopt.  und  Lei)idopt.  Embryonen,  St.  Pe- 
tersburg, 1869. 

*Mem.  Boston  Soc.  Nat.  Hist.,  v<d.  iii,  1884.  This  insect  is  not  a  true  Teleas  and 
is  either  cue  of  two  insects  described  iu  this  memoir,  viz.,  Cacus  acanthi  or  Bary- 
wnut  vcanthi. 


MONOGRAPH  OF  THE  NORTH  /MEKICAN  PROrTOTRYPID.E.        19 

of  (Kwnthm  nirev.H  and  its  l*arasit«  Teleax."  Both  authors  may  be  con- 
sulted to  the  advantage  of  the  student. 

In  lieu  of  original  work  of  this  kind  I  have  deemed  it  advisable  to 
reproduce  here  a  summary  of  (Janin's  work,  by  Balfour,  together  with 
his  ligures,  in  order  to  illustrate  the  remarkable  changes  the  embryo- 
larva  must  undergo  before  assuming  the  normal  larval  stage. 

Balfour  says: 

Tim  very  first  wtages  aro  unfortiiiiatt'ly  but  imperfectly  known,  and  the  interpre- 
tations offered  by  Gania  do  not  in  all  eases  appear  quite  satisfactory.  In  the 
earliest  stage  after  being  laid  the  »'gg  is  inclosed  ir.  a  eapsulo  produced  into  a 
stulii  (Fig.  1,  A).  In  the  interior  of  the  fgg  there  soon  appears  a  single  spherical 
body,  regarded  by  Gauiu  as  a  cell  (Fig.  1,  B).  lu  the  next  stage  three  similar  bodies 
appear  in  the  vitellus,  no  doubt  derived  from  the  first  one  (Fig.  1,C")-  The  central  one 
presents  somewhat  different  characters  to  tlie  two  others,  and,  according  to  Gauin, 
gives  rise  to  the  whole  embryo.  Tiie  two  peripheral  bodies  increase  by  division,  and 
soon  appear  as  nuclei  imbedded  in  a  layer  of  protoplasm  (Fig.  1,  D,  E,  F).  The 
layer  so  formed  serves  as  a  covering  for  the  embryo,  regarded  l>y  Ganin  as  equivaleut 


Fio.  1. — Eiuliryonic  (levi'lopuicnt  of  |>1atyga8ter:  A,  ejig;  B,  primitive  rcll;  C,  atlditinnal  cells  de- 
vflopetl  from  the  fu-st;  I)  and  E,  further  cell iilar  development;  F,  final  embryonic  etage.  (After 
Gauin.) 

to  the  amnion  ( ?  serous  membrane)  of  other  insect  embryos.  In  the  embryo  cell  new 
cells  are  stated  to  be  formed  by  a  process  of  endogenous  cell  formation  (Fig.  1,  D, 
E).  It  appears  probable  that  Gauiu  has  mistaken  nuclei  for  cells  in  the  earlier  stages, 
and  that  a  blastoderm  is  formed  as  iu  other  insects,  and  that  this  becomes  divided 
in  a  way  not  explained  into  a  8uj>erficial  layer  which  gives  rise  to  the  serous  en- 
velope and  a  deeper  layer  which  forms  the  embryo.  However  this  may  be,  a  differ- 
entiation into  an  epiblastic  layer  of  columnar  cells  and  a  hypoblastic  layer  of  more 
rounded  cells  soon  becomes  apparent  in  the  body  of  the  embryo.  Subsequently  to 
this  the  embryo  grows  rapidly,  till  by  a  deep  transverse  constriction  on  the  ventral 
stirface  it  becomes  divided  into  an  anterior  cephalothoracic  portion  and  a  posterior 
caudal  porticm  (Fig.  F).  The  cephalothorax  grows  iu  breadth,  and  near  its  an- 
terior end  an  invagination  appears,  which  gives  rise  to  the  mouth  and  oesophagus. 
On  the  ventral  side  of  the  cephalothorax  there  is  first  formed  a  pair  of  claw-like 
appendages  on  each  side  of  the  mouth,  then  a  posterior  pair  of  appendages  near  the 
junction  of  the  cephalothorax  and  abdomen,  and  lastly  a  pair  of  short  conical  an- 
tennte  in  front. 

At  the  same  time  the  hind  end  of  the  abdomen  becomes  bifid,  and  gives  rise  to  a 
fork-like  caudal  appendage ;  and  at  a  slightly  later  period  four  grooves  make  their 


20 


Un-LpniX    15,  UNITKU    STATKS    NATIONAL    Ml'SKlIM. 


nppearaiH'(i  in  tlio  i-aiuliil  n-gion,  mid  divide  lliiH  )>art  of  tliii  iMiibryu  into  HiicrcMtivo 
seguieuts.  W'liih?  tli<so  rliaii;itn  liavci  hi-oii  taking  i)la<'t<  in  tlio  general  fonnoftho 
cinbrjo,  tlu)  j'liildast  liaH  given  lino  to  a  (iitirle,  and  tin)  liyptiblaslic  cells  liave,  lie- 
come  difl'erentiated  into  a  central  hypobliiHtic  axis — tln^ntwenteron — an«l  jVHnrronud- 
ing  layer  of  niesoldast.  Monie  of  the  cells  of  wliich  form  longitudinal  ninscles. 

With  tills  stage  closes  what  maybe  regarded  as  tho  »'niliryonie  dev<;lo|)ment  of 
jdatygastcr.  Tho  embryo  bcM-omcs  free  frc»m  the  amnion,  and  jiresentM  itself  as  a 
larva.  \vlii<  b  from  its  very  remarkable  characters  has  been  spoken  of  as  the  Cyclops 
larva  by  <ianin. 

Tlie  larva)  of  three  sjieiies  have  ))een  described  by  (ianin,  which  are  represented 
in  Fig.  2,  A,  15,  ('.     These  larva-   are  strangely  dissimilar  to  the  ordinary  bexapod 


Fig.  2. — Eiiihryouio  larval  <l('velopni('iit  of  plntyg.istcr :  A,  T?,  C,  Cyrlojts  larvie  of  t'ri'o  spec  its  of 
platygasttT;  D,  sccoiid  larval  stago;  K,  tliinl  larval  sta^c;  jho,  iiiontli;  a,  antoiiiia;  kf,  liookcil 
feet;  efri.  lateral  f.ct;  /,  liraiulics  of  tail;  iil,  lower  lip;  «?A/,  n'soi>ha;;iis :  i.nai',  .siii)ra-(rno|iliageal 
ganglion;  bsiit.  voiitr;;]  ciiililastic  plate;  Im,  lateral  iiniseles  (the  letters  also  jmint  in  D  to  tlie  Hali- 
vary  glands) ;  (/^,  ]»roeto»l;einn  ;  r/n,  generative  organs;  J/i</,  iiiauilibles;  a<j,  (liietsof  salivary  glands; 
f^\  On  E)  salivary  glands;  Ml*,  stoinaeh ;  ed,  intestine;  <•«•,  rectum;  ao,  anus;  tr,  trache.v;  fk,  fat 
bodj'.    (Aftertianin.) 

typo,  whether  liirval  or  adtilt.  They  are  formed  of  a  cepliabtthoracie  shield  with 
the  three  pairs  of  iippendages  (a,  If,  Ifij),  tho  development  of  which  has  iilroady 
been  described,  iind  of  an  abdomen  formed  of  iive  segments,  tho  last  of  which  bears 
the  somewhat  varying  caudal  tippendiigcs.  The  nervous  system  is  as  yet  tiudevel- 
oped.     The  larva)  move  about  in  the  tissues  of  their  hosts  by  means  of  their  claws. 

The  first  larval  condition  is  succeeded  by  a  second  with  very  difterent  characters, 
and  the  i^assage  from  the  first  to  the  second  is  accompanied  by  an  ecdj'sis. 

The  ecdysis  coinmeuces  at  tho  ciindal  extremity,  and  the  whole  of  the  last  segment  is 
completely  thrown  off.  As  tho  ecdysis  extends  forwards  tho  tail  loses  its  segmeutatiou 
and  becomes  strongly  compressed,  the  ajtpendages  of  tho  ccphsilothorax  ii.ro  thrown 
off  and  the  whole  embryo  assumes  an  oval  form  without  any  sharp  distinction  into  dif- 
ferent regions  and  without  the  slightest  indication  of  segmentation  (Fig.  2,  1>).  Of 
the  internal  changes  which  take  place  during  the  shedding  of  the  cuticle,  the  first 


MONOORAPH  OF  THE  NUUTII  AMICKICAN  PKOCTOTUYIMD.E.        21 

is  tho  forniiitioii  of  u  proctod.i'iini  i.'/'O  ••>  a'»  invii^iiiatiim.  which  eiuls  Mindl}-  incou. 
tilctwitlitheinosonteroii.  Short  ly  after  this  a  tliiikfiiinj;  of  thoopibhitit^^*"!)  ajipears 
ah)iij?  tho  ventral  surface,  which  jjives  rise  iitainly  to  the  ventral  uervecord ;  thiH  thick- 
oiiiiiK  is  continuous  behind  with  thoepiblast,  which  is  inva<;inated  to  form  tho  proc- 
toda-uni,  and  in  front  is  prohnigcl  on  each  side  into  two  jtrocephalic  lobes,  in  which 
there  are  also  thickonin'48  of  tlie  <'piblast  ((jmc),  whicdi  become  converted  into  supra- 
a-sopliaf^eiil  j^anglia,  and  jtossibly  other  i>arts. 

Toward  the  close  of  the  second  larval  period  the  muscles  (/m)  become  segnientally 
arranged,  and  {ji^'"  iudications  of  tho  segmentation  whic'.i  becomes  apparent  in  tho 
third  larval  period.  Tho  third  and  last  larval  stage  (Fi^:.  2,  K)  of  I'latytjoBter,  (hir- 
ing which  it  still  remains  in  the  tissues  of  its  host,  presents  no  very  peculiar  fea- 
tures.   The  passage  from  tho  secoml  to  the  third  form  is  accomnanicd  by  au  ecdyaia. 


The  larviB  are  all,  apparently,  internal  feeders,  apodous  and  with 
minute  mandibles.  Those  living  in  eggs  transform  into  pupie  within 
the  empty  egg  shel)  of  their  hosts;  sometimes  a  half  dozen  ov  more 
being  found  within  a  single  egg-shell,  although  of  the  larger  scelionids 
— Scelio,  Maeroteleia,  ete. — only  a  single  specimen  is  foun<l  in  each  egg. 
Those  species  that  affect  the  larvje  or  pupae  of  other  insects  either 
gnaw  their  way  out  and  si)in  small  silken  cocoons  (('rphalutiomia  and 
other  bethylids),  or  else  weave  silky  or  parchment-like  cocoons,  often 
arranged  in  parallel  rows,  side  by  side,  within  the  empty  skin  of  their 
hoat  {Platygaster  and  others). 

i>y</ocerj<s  and  allied  genera,  living  in  the  Ai>hidi(Ue,  gnaw  a  hole 
thiough  the  ventral  surface  of  the  aphis,  and  after  securely  fastening 
the  aphid  by  a  silk -like  secretion  to  the  leaf  or  twig  upon  which  it 
has  been  feeding,  pupate  within  the  body  of  tlieir  host,  which,  in  lieu 
of  a  cocoon,  affords  ample  protection  for  the  larvae  to  undergo  their 
transformations.  I  know  of  no  proctotrypid  that  transforms  loosely 
into  a  pupa  without  a  covering  or  protection  of  some  kind,  as  is  fre- 
quently, if  not  invariably,  the  case  amongst  the  Chalcididae. 

DISTRIBUTION. 

The  Proctotrypidie  are  apparently  widely  distributed  over  the  whole 
world,  although  outside  of  Europe  little  is  as  yet  known  of  the  exotic 
forms,  and  it  is  not  possible,  therefore,  to  generalize  upon  the  genera 
and  their  distribution.  From  an  examination  of  various  exotic  col- 
lections of  Hymenoptera,  it  is  safe  to  predict  the  species  will  be  found 
to  be  numerous  and  widely  distributed,  but  far  less  numerous  than 
the  Chalcididfe;  judging  from  my  own  collecting  I  should  say  less 
than  one-fiftieth  in  number.  Only  a  very  small  percentage  of  the 
species  is  yet  described. 

Our  species,  except  in  a  few  cases,  fit  very  well  into  the  established 
European  genera;  but  from  South  America  it  was  found  necessary  to 
erect  many  new  genera,  and  doubtless  this  will  be  found  to  be  neces- 
sary with  collections  brought  from  other  regions.    Very  few  species 


22  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Ihave  been  described  from  Asia,  Africa,  ami  Australia;  only  a  few 
isolated  descriptions  of  species,  scattered  here  and  there  throujjh  the 
literature,  could  be  found;  and  undoubtedly  nniny  remarkable  and 
interestinjj  forms  will  be  discovered  in  the  rich  insect  faunas  ot  those 
countries. 

rLASSIFIf'ATION. 

The  name  of  the  family,  Proctotrjpidse,  is  derive«l  from  the  jrenns 
Proctotrupcs  or  Proctotrypes,  established  by  Lat  reille  in  his  Pn'cis  des 
Caracteres  G^^m'-riques  des  Insectes,  jmblished  in  171U),and  there  placed 
with  the  Ichneumoniche.  It  is  derived  from  two  (rreek  words  -/jwxto-, 
the  anus,  +  ziwzdw,  bore,  pierce  thnmph,  in  allusiim  to  the  structure 
of  the  ovipositor,  and  1  here  follow  late  auth<>rities  in  s])ellin};  the  word 
Proctotrypes,  although  as  a  rule  I  strongly  oi)pose  changing  a  well- 
established  zoiilogical  name. 

From  179<»  down  to  1839  additional  genera,  belonging  to  this  family, 
wer3  established  by  Latreille,  Dalman,  King,  Jurine,  Spinola,  Nees, 
Westwood,  Walker,  Haliday,  and  others,  and  various  groups  or  fam- 
ilies were  proposed  for  their  reception,  according  to  the  views  of  the 
different  authors,  the  affinities  of  the  genera  not  being  fully  under- 
stood. Some  of  the  genera  were  classed  with  the  Cynij)idje,  Scoliidie, 
Mutillidje,  Chalcidida',  or  Jiraconidic,  or  were  considered  to  be  entitled 
to  fannly  rank,  and  the  greatest  confusion  existed  as  to  their  affinities 
asd  proper  positicm. 

An  excellent  historical  sketch  of  the  development  of  the  family  has 
been  given  by  Dr.  Arnold  Forster,  in  h's  Hymenopterologische  Studien, 
Heft  II,  and  it  will  suffice  here  to  call  attention  only  to  the  two  authors 
who  wrote  just  previous  to  his  work.  To  them  we  are  mainly  indebted 
for  a  proper  conception  of  the  family,  as  now  understood,  as  well  as  for 
bringing  order  out  of  the  chaos  that  existed  up  to  their  time.  I  also 
call  attention  to  a  few  authors  who  wrote  subsequent  to  the  appear- 
ance of  Forster's  work. 

In  1839  Haliday,  in  his  " Hymenopterorum  Synopsis,"  proi)erly  de- 
fined some  of  the  groups  as  now  understood,  although  he  considered 
them  to  be  of  family  rank,  placing  some  among  the  Teiebrantia  and 
some  among  the  Aculeata. 

In  order  to  illustrate  his  method,  I  give  below  such  portions  of  his 
scheme  of  arrangement  as  refer  to  them : 

.<  •:  Suborder  2. — Petioliventres. 

,   .  Stirps  3. — Terebellifera. 


ee.  Troclianters  exarticulati.  Terebra  abdominis  apice  exerenda  per  foramen  apicale 
vel  rimam  transversam,  ant  exserta.  Antennae  articnlis  ad  sum- 
mum  15.  Ala5  disco  ferme  exareolatse,  radio  et  cabito  distantibus 
ant  obsoletis. 


MONOORAril  OF  THE  NORTH  amkkhan  proctotrypid.e.       23 

TrilMi  2.— OxYiiRA. 

/.  Tiliin'  iiiiticiu  oalcarl  iiiii«i>. 
(J.  Maiuinmlii'  oilvntiilii-. 

Fmii.  m. —  rrorloirupidir. 

ijij.  Miiiiililtulii-  ilciiliitic. 
/(.  AImIoiihmi /(•»•.  longiKHiiimiii,  lilironin\  iirtiruliitniu. 

Fain.  i>. — I'eleviniilif. 

Iili.  Af>iliiiii«vii  )>«iti<)latiiiii,  iiiiiiiai'){inatuiii. 

Fain.  11. — IHapriathf. 

hhh.  Al>iloiii«n  inar^iiiatiitii,  siiUhesMilt)  atit  Kiiliit»'tiolatiiiii. 

i'aiii.  1L'. — Stclionida: 

ff.  Tiliiiii  aiiticii)  bitalrarata'. 

Fain .  1  \\. — Certiph  ron  iiUv. 

„  •  *  »  •  •  •. 

Trihe  I. — llnUicoplera. 

/.  ( >H  ('iialitatnni.     Alii-  annnstissinia',  ncrvo  lirevjHsinio. 

Faiii  1 7. — MiimarUhr. 

Stirjm  I. — Avideutit. 
c.  Antonna-  ntriustjiie  hoxus  artifuliN  codi'm  niuncro.     IVdes  miblipveH.     Aire  poati- 
ca)  inrisa-. 

Tribe  6. — ('ennptera. 

d.  Antenna?  lO-artirnlata'.     Caput  dotlexuni. 

Fani  1!). — Dryinido-. 
dd,  AutennaD  12-13-arti<iilata'.     C.a]»nt  ])(>iTe(;tnni.     Hapacia.     Larvjo  entomo- 
pliag.i>. 

Fam  'M.—IlethyUidw. 

C'brysiilis  inilo  connexi,  biuc  ScoUadin. 

It  will  be  seen  from  the  above  "scheme  of  arrangement"  that  Hal- 
iday  widely  separates  some  closely  allied  gronps,  interpolating  other 
families  between  them;  and,  moreover,  with  our  larger  and  better  ac- 
quaintance with  these  groups,  the  arrangement  is  unnatural  and  the 
characters  he  has  employed,  in  defining  them,  will  not  now  always 
hold  good. 

About  the  same  time,  1840,  Prof.  Westwood,  in  his  memorable  work, 
"Introduction  to  the  Modern  Classification  of  Insects,"  brought  all  of 
these  families  together  and  proi)erly  united  them  as  one,  under  the 
name  Pioctotrupidie,  lie  then  separates  the  family  into  six  subfam- 
ilies, as  follows: 

(1)  Mymaridks.  Head  transverse  aroolat« ;  anteuniP  inserted  above  the  middle  of 

the  face, ,?  long,  sleuder,  and  elbowed,  2  clavate;  mouth  destitute  of  palpi; 
wings  narrowed,  densely  ciliated,  with  a  very  short  subcostal  nerve. 

(2)  Platvgasterides,  Abdomen  sessile,  depressed,  first  segment  not  campanulate; 

autenuin  elbowed,  10-12-jointed,  inserted  near  the  mouth. 

(3)  Ceuaphuontides.  Abdomen  siibsessile,  campanulate,  terminal  and  ventral  seg- 

ments carinated;  antenna;  elbowed,  inserted  near  the  mouth;  wings  nearly 
exareolate. 


24  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

(4)  GoNATOPiDES.    Abdomen  convex,  not  cami)auulate,  last  ventral  segment  cari- 

nated;  anteunio  porrected,  10-jointed;  hind  wings  lobe;! ;  mandibles  toothed. 

(5)  Proctotrupides.    Abdomen  subsessile,  cauipannlate;   antenniu  porrected,  12- 

jointed,  inserted  beneath  the  front;  maxillary  lobe  tripartite. 

(6)  DiAPRiiDES.  Abdomen  petiolato,  campanulated;  antennte  inserted  on  the  front, 

12-  or  15-jointed ;  maxillary  palpi  long,  5-jointod. 

His  group  (2)  included  the  Sceliouina^  with  tho  Platygasterinai ; 
group  (4)  the  Bethylinae,  Embolemiuai  and  Dryininae^  while  group 
(6)  included  the  Belytinse  and  the  Diapriinje.  All  the  groups  are 
undoubtedly  closely  related,  and  Westwood's  scheme  was  the  most 
natural  one  formulated  up  to  the  time  of  Forster. 

It  was  just  sixteen  years  after  the  publication  of  Westwood's  work 
that  Di'.  Forster's  studies  in  tlie  "Chalcidite  uiul  Proctotrupii,"  so 
often  quoted  in  tliese  pages,  ai^peared.  After  an  excellent  historical 
review  of  the  two  groups,  already  referred  to,  he  makes  use  of  the  fol- 
lowing characters  to  distinguish  them : 

Chalcidi^e.     ^  .  Fiihler  immcr  gebrocheu,  mit  ein  oder  mehreren  kleinen  Ringelii 
(Zwischengliedern)  zwischen  Stielchen  und  Geissel. 

5 .  Der  Legebohrer  unterhalb  (d.  h.  vor)  der  Spitze  des  Hinterloibs  entepringend. 
Pkoctotrcpii.    ^ .  Fiihler   gebrochen  oder  ungebrochen,  zwischen  dem  Stielchen 
nnd  der  Geissel  keine  Ringel  (Zwi8chenglie<ler),  selten  ungebrochen  mit  cincm 
kleinen  Ringel. 

9 .  Der  Legebohrer  aus  der  Spitze  des  Hinterleibs  entspringend. 

After  tabulating  and  defining  the  families  of  the  Chalcidiai,  he  sepa- 
rates the  Proctotrupii,  on  page  20,  into  9  families,  according  to  the  fol- 
lowing scheme : 

o.  Hinterfliigcl  rait  einem  lappenftirmigen  Anhang,  oder,  wo  die  Flilgel  beim   $ 

fehlen,  mit  Ranbfiisson  versehen Dryinoidas, 

oo.  Hinterfliigel  ohue  den  lappenfurmigeu  Anhang. 

h.  Die  vordersten  Schienen  mit  zwei  Dornen Ceraphronoidte. 

ih.  Die  vordersten  Schienen  mit  einen  Dom. 

c.  Mandibeln  ungeziihnt Proototrupoida. 

cc.  Mandibeln  geziihnt. 

d.  Der  Hinterleib  seitlich  gerandet ;  Fiihler  iiber  dem  Mundrande  einge- 
fugt. 
e.  Flligel  mit  einem   Ramus  marginalia   nnd  bisweilen   auch  einem 
Ramus  stigmaticus ;  die  uugetliigelten  Gattungen  ohne  Neben- 

augeu ScvKonoid(e. 

ec.  Flligel  ohne  Ramus  margiualis  und  stigmaticus;  alle  Gattungen 

mit  Nebenaugen  Platygasteroidfe. 

dd.  Hinterleib   seitlich  uicht  gerandet;  die  Fiihler  weit  iiber  dem  Mun- 
drande eingefiigt. 
/.  Hinterfliigel  ohne  Spur  einer  Mittelader. 

g.  Die  Hinterfliigel  sehr  schmal,  fast linienfi)rmig..Jfi/mo»-oidfP. 

:;-;_^  gg.  Die  Hinterfliigel  breitfer,  uicht  linienfiirmig IHaprioidfU. 

-  ,        ff.  Die  Hinterfliigel  mit  einer  Mittelad«r. 

h.  Vorderfliigel  entwedcr  ohne  oder  mit  einer  regelmiissigen 

Grundader ;  Geissel  ohne  Ringel  (annellns) Belytoidw. 

hh.  Vorderfliigel  mit  einer  unregelmiissigen,  die  Unterrandader 
nicht  erreichenden,  gekriimmteu  Grundader,  wclchc  cine 
unregelmassige  Zelleinder  vordereuSchulterzelle  bildet; 
Geissel  mit  einem  Ringel Heloroida. 


MONOGKAFH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        25 

Subsequently,  farther  on  in  the  body  of  the  work,  Forster  again 
subdivides  his  family  Uryinoidie  into  three  families:  DryinoidsB,  Embo- 
lemoid.'e,  and  Bethyloidae.  He  then  follows  wita  his  generic  tables,  in 
which,  including  the  Mymaroida',  no  less  than  one  hundred  and  twenty- 
one  genera  are  defined,  about  seventy  being  new. 

Dr.  riirster's  work  is  by  far  the  most  pliilosophical,  satisfactory,  and 
important  contribution  published  on  this  intricate  family,  and  has 
formed  the  basis  of  my  own  work.  Since  his  day,  not  taking  into  con- 
sideration mere  descriptive  work,  no  systematic  work  has  been  at- 
tempted except  a  short  paper  by  A.  H.  Haliday,  published  in  the  Dublin 
Natural  History  Review,  1857 ;  a  series  of  articles  by  the  Swedish  ento- 
mologist C.  (t.  Thomson,  published  in  Ofversig  af  Kongliga  Svenska 
Vetenskaps-Akademiens  Forhandlingar,  from  1857  to  1859,  and  an 
excellent  contribution  by  Prof.  J.  O.  Westwood  on  the  subfamily  Bethyl- 
lides,  in  his  Thesaurus  Entomologicus  Oxoniensis,  1874. 

Haliday,  in  his  paper,  proposed  some  new  genera  in  the  Diapriidas 
(probably  before  seeing  Forster's  work)  that  unfortunately  prove  to  be 
synonyms  of  some  of  those  chara(;terized  by  Forster. 

Thomson's  contribution  is  much  more  elaborate ;  besides  describing 
some  new  genera  he  separated  the  family  into  eleven  tribes  (defined, 
but  without  a  synoptic;  table),  arranged  as  follows: 

Tribus      I.  Proctotrupiiii. 
II.  Btlytini. 

III.  Ceraphronini. 

IV.  Diapriini. 
V.  Isiuaiiui. 

VI,  Heloi-ini. 
VII.  Sceiiouini. 
VIII.  riat.vgasteiini. 
IX.  Telenomini. 
X.  Uryinini. 
XI.  I"]pyrini. 

It  is  also  quite  evident  that  Thomson,  in  the  beginning  of  his  studies 
in  the  family,  was  una<'quainted  with  Forster's  work;  and,  considering 
this  fact,  his  tribes  agree  quite  closely  with  the  families  proposed  by 
Forster.  His  tribus  xi,  Fpyrini,  equals  the  BethyloidjD  of  Forster.  In 
separating  the  Ismarini  from  the  Belytoijhe  and  the  Telenomini  from 
the  Scelionoida^  and  elevating  them  to  an  e(iual  rank  with  his  other 
tribes  it  appears  to  me  Thomson  gave  too  much  importance  to  trivial 
characters. 

The  arrangement  of  his  tribes  also  does  not  show  the  relationship 
they  bear  to  each  other.  I  (H)nsider  the  Ceraphronini  much  more 
closely  allied  to  the  Epyrini  and  Dryinini,  while  he  has  them  widely 
separated.  The  Belytini  and  the  Diapriini  are  unquestionably  closely 
allied,  and  he  has  interpolated  the  Ceraphronini  between  them;  while 
ihe  Helorini  he  places  next  to  the  Scelionini,  with  which  they  have  few 


26  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

cbaraeters  in  common,  their  nearest  allies  being  the  I'roctotrypiui  and 
the  Belytini. 

Prof.  Westwood's  contribution,  mentioned  above,  is  a  most  valuable 
one,  in  which  some  new  genera  and  many  new  species  are  described 
and  illustrated.  It  is  of  especial  value  for  clearinj;  up  many  obscure 
points  in  the  old,  imperfectly  described  genera,  for  the  very  full  diag- 
noses of  all  the  genera  in  the  Bethylmai  known  to  him,  and  for  the  ad- 
mirable illustrations  of  the  mouth  parts  and  other,  salient  chara<'ters. 

Other  Euroi)ean  contributors  to  a  knowh  dgc  of  the  family  are 
Walker,  Mayr,  Kuthe,  Cameron,  Marshall,  Mik,  Giard,  ett;. 

In  America  no  systematic  study  of  the  family  has  been  before  at- 
tempted. 

The  American  writers  on  the  family,  besides  myself,  are  Say,  Ilalde- 
man,  Cresson,  Patton,  Packard,  l'ri)vancher,  Howard,  Riley,  and 
Forbes,  and,  excepting  an  admirable  translatiiui  of  Forster's  tables  by 
Mr.  L.  O.  Howard,  the  work  thus  far  done  lias  been  i)urely  descriptive, 
coulined  to  isolated  descriptions  of  genera  or  species.  These  will  be 
fouuil  recorded  in  their  prt)per  place  in  this  work  and  require  no  si)ecial 
mention  here.  . 

Forster  separated  the  Proctotrupii  into  eleven  families.  In  the  pres- 
ent work,  ten  of  these  are  recognize*!  as  subfamilies.  His  family 
Mymaroidfe  {  =  Mymnri(}(v  Ualidaj^)  I  have  not  included,  as  I  believe 
with  Haliday,  who  lirst  proposed  the  name,  that  it  is  a  group  entirely 
distinct  from  this  family,  more  closely  allied  to  the  Chalcidida'  than  to 
the  Proctotryi)idje  and  entitled  to  rank  with  other  families  of  the 
Hymenoptera  Terebrantia. 

In  the  arrangement  of  the  ten  subfamilies  or  natural  groups  recog- 
nized in  this  family  I  have  attempted  to  show  their  true  relationship, 
and,  although  full  diagnoses  of  them  are  given  in  their  proper  place  in 
the  body  of  the  work,  I  believe  the  following  table  will  be  found  ail 
that  is  necessary  to  facilitate  their  recognition : 

TABLE  OF  SUBFAMILIES, 

Wingli'ss  forms 6 

Winged. 

Posterior  wings  not  lobed 2 

Posterior  wings  lobe.d;  anterior  winu;8  with  1  or  2  basal  cells. 

Head  oblong;  auteuna;  inserted  at  the  clypcus,  12-  or  13-jointed  in  botb  sexes. 

Snbfani.  I,  HETiiYLiNiE. 
Head  not  oblong. 

Head  globose;  front  wings  with  a  lanceolate  stigma;  anterior  feet  never 
^     -  '       chelate;  nntennie  in  5  L3-jointed,  in  ^  10-jointed. 

Snbfam.  II,  Embolemin^. 
Hea«l  transverse;  front  wings  \'snally  with  a  large  or  semicircular  stigma; 
anterior  feet  often  cheJ  itti;  antenn:i^  10-jointed  in  both  sexes. 

Snbfam.  Ill,  DuvmiN.E. 

2.  Antenn.'e  inserted  on  the  middle  of  the  face,  often  on  a  frontal  prominence 4 

AutenniB  inserted  at  tho  clyiM-us. 

Abdomen  acute  or  margined  at  the  sides,  sessile  or  snbpetiolate 3 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.        27 

Abdomen  not  margined  at  sides,  sessile  or  aiibsessilc.  Anterior  tibial  spur 
strongly  forked;  antenna' in  5  nsnaliy  lO-ll-jointed,  in  <?  11-jointed; 
front  wings  never  with  a  post-marginal  vein,  the  stigmal  vein  long, 
the  marginal  often  stigniated...  ...Subfani.  IV,  Cekapiiioxin*. 

3.  Front  wings  most  fre(|uently  with  marginal  and  stigmal  veins;  antenna) 

in  both  sexes  usually  12-jointed,  in  9  sometimes  11-jointed,  or 
7-jointed  when  the  claval  joints  coalesce..  .Snbfam.  V,  Scelionin.*;. 
Front  wings  always  without  marginal  and  stigmal  veins  and  nmst  frequently 
entirely  veiiiless,  at  the  most  with  only  a  clav.ate  submarginal 
Tein ;  antenna'  never  more  than  10-jointed,  usually  alike  in  both 
sexes,  rarely  only  8-  or  9-jointed Snbfam.  VI,  Pi.ATYtJASTKKiN.«. 

4.  Front  wings  with  the  marginal  vein  linear,  not  stigniated 5 

Front  wirigs  with  the  marginal  vein  stigmated,  the  costal  cell  closed. 

Mandibles  dentate;  antennae  ir)-jointed;  claws  pe<'tinate, 

Subfam.  VI  ,  Helorin^. 
Mandibles  edentate;  antenna-  IS-jointod,  with  a  ring  joint;  claws  simple, 

Suldaui.  VIII,  PUOCTOTRYPIN^. 

5.  Front  wings  with  a  distinct  basal  ••ell  and  usually  with  a  distinct  mar- 

ginal cell   (the   latter  rarely  entirely  wanting);  hind  wings 
always  with  a  basal  cell;    antennae  14  to  15  jointed;  labial 

pal  pi  H-jointed Subfam.  IX,  BELYTiNiE. 

Front  win;;  with  the  brachial  cell  scddom  distinct,  the  median  nervnre 
ln'ing  usually  obsolete,  the  marginal  cell  never  complete, 
usually  entirely  wanting;  hind  wings  always  without  a  cell; 
antenuio  12-,  13-,  or  14-jointed;  labial  palpi  2-joiuted, 

Subfam.  X,  Diapriin*. 

WINGLKSS    FORMS. 

6.  Abdomen  acutely  margined  at  sides 7 

Abdomen  not  margined  at  sides. 
Fore  femora  much  swollen. 
Head  oblong;  antenna;  12-to  13-jointed  in  both  sexes,  inserted  near  the 

month Subfam.  BETHYHNiE. 

Head  transverse  or  globoee. 

Anterior  feet  normal;  antenna' in  9  13-jointed Subfam.  EMBOLEMiNiE. 

Anterior  feet  chelate ;  antenna;  in  9  10-jointed Subfam.  DRYiNiNiE. 

Fore  femora  not  much  swollen. 

Mandibles  edentate Subfam.  Proctotrypin^. 

Mandibles  dentate. 
Antenna;  inserted  near  the  mouth. 

Anterior  tibial  spur  2-pronged Snbfam.  Ceraphronin.*:. 

AntenniB  inserted  on  a  frontal  prominence. 

Labial  palpi  3-jointed Subfam.  Belytin^. 

Labial  palpi  2-joiutcd Subfam.  Diapriin^. 

7.  Antenna;  lO-joint'^d;  labial  palpi  l-jointed Subfam.  Platygasterin^. 

Autenuie  12-joiut»'d  or  with  a  solid  dub  7-jointed;  labial  palpi  2-  or  more, 

jointed Snbfam.  Scelionin^. 

Subfamily  I.  P.ETHYLIN^E. 

Head  oblong,  hovi/outal,  the  occipital  line  complete.  Ocelli  often 
absent;  when  present  .5,  triangularly  arranged.  Mandibles  usually 
large  and  broad,  from  2-  to  G-dentate.  Maxillary  palpi  4-  to  6  jointed; 
labial  palx)i  --  to  3-joiuted.  Antenna)  not  elbowed,  tiliform  or  setaceous, 


28  BULLETIN    45,  UNITED    STATES    NATIONAL   MUSEUM. 

12-  to  13-jomte(l,  iusertetl  in  ;i  clypeal  fovea,  the  dypeua  being  more  or 
less  distinctly  carinated.  Pronotuni  large,  well  developed,  narrowed 
before;  inesonotiini  short,  transverse,  the  scapuljB  larely  entirely  sep- 
arated; scutellum  subtriangnlar,  rarely  entirely  wanting,  the  axilhe 
not  separated;  luetathorax  large,  quadrate.  Front  wings  most  fre- 
quently with  a  small,  stigmated  marginal  vein  (sometimes  with  a  pa- 
rastigma),  a  radial  and  two  basal  cells,  the  radial  cell  rarely  distinctly 
closed;  occasionally  the  marginal  and  radial  nervures  are  wanting  or 
abbreviated;  sometimes  there  is  but  a  single  basal  cell,  rarely  en- 
tirely wanting.  Hind  wings  distinctly  lobed,  veinless,  except  along  the 
costa  at  base.  The  apterous  forms  are  usually  without  ocelli  and  witn 
minute  eyes.  Abdomen  subpetiolate,  ovate,  or  oonic-ovate,  depressed, 
comjiosed  of  8  segiaents.  Legs  rather  short,  the  femora  and  tibije 
stout,  most  frequently  swollen,  tibial  spurs  1,  2,  2,  well  developed,  the 
tarsi  5-jointed,  the  claws  often  with  a  tooth  within. 

The  BethyUncc,  so  far  as  we  at  present  know,  are  parasitic  on  cole- 
opterous and  lepidopterous  larvae,  and  before  i)upating  most  of  them 
spin  cocoons.  The  majority  of  the  genera  comprise  species  winged  in 
both  sexes;  but  in  a  few  genera,  viz,  Pristocera,  Isobrachiimi,  Sclero- 
derma, Bissomphalus,  Apencsia,  and  Cephalonomia,  the  male  alone  is 
winged,  the  female,  except  in  Cephalonomia  being  always  apterous. 
Usually  the  disparity  between  the  sexes  in  size  and  ajipearauce  is 
such,  that,  when  captured  at  large,  they  cannot  be  satisfactorily  corre- 
lated. In  Cephalonomia  a  dimorphic  form  occurs;  for,  whereas  the 
female  is  usually  w  ingless  and  without  ocelli,  at  times  a  Avinged  form 
with  ocelli  is  produced. 

The  Euroi^ean  type  of  the  genus  Cephalonomia  formiciformis  Westw. 
has  been  bred  in  England  and  Germany  from  mushrooms  infested  with 
coleopterous  larva?.  In  this  country  species  are  reared  from  cyni- 
pidous  galls,  infested  with  coleopterous,  lepido]>terous,  and  other 
inquilines,  and  it  is  believed  the  genus  is  parasitic  on  coleopterous 
larvfe.  Species  belonging  to  the  genera  Isobrachitim,  Apenesia,  and 
Pristocera  have  been  taken  in  ant  nests,  and  it  is  presumable  they  are 
parasitic  on  myrmecophilous  Coleoi^tera.  Anoxus  is  parasitic  on  the 
coleopterous  genus  Cis  living  in  fungi,  and  I  have  reared  Ateleopteriis 
tarsalis  from  raisins  affected  with  Silranus  )turina7n€n8is. 

The  new  genus  LkUus  is  parasitic  on  the  coleopterous  family  Der- 
mestid«,  while  species  in  the  genera  licthylus,  Perisemus,  and  Gonioziis 
prey  upon  microlepidopterous  larvje. 

Mr.  A.  II.  Ilaliday,  in  Ent.  Mag.  vol.  ii,  p.  219,  has  recorded  the  fol- 
lowing observation  in  regard  to  an  unknown  Bethyhis: 

The  insects  of  this  genus  seem  fond  of  the  flowers  of  Syngenesia,  bnt  their  prin- 
cipal hannts  arc  in  dry  sandy  districts  near  the  sea.  The  low  tufts  of  Rosa  tpino- 
sistiima,  flourishing  among  the  sand  cliffs,  support  numerous  larvae  of  TineidaB,  which 
when  full  fed  often  fall  into  the  little  pits  of  loose  sand  formed  at  the  foot  of  the 
cliffs  by  the  gradual  scaling  of  the  bank  and  the  eddies  of  wind.    These  pits  are  com- 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.        29 

])lcte  traps  lor  various  insectH,  to  which  Myrmiea  rubra  and  other  predafcoiis  species 
resort,  and  among  these  our  liethyli  will  be  seen  prowling.  On  th<»  5th  of  last  June  I 
ol)tierved  a  female  of  th(!  largest  size  occupied  with  oni;  of  those  larvio  which  was  full 
fed,  and  I  should  think  about  six  times  its  own  weight.  It  had  seized  this  by  the 
mouth,  and  was  with  great  perseverance  eiuleavoring  to  transport  it  up  the  sides  of 
tlie  pit.  Perceiving  that,  though  apparently  not  discouraged  after  ten  minutes'  inef- 
fectual exertion,  it  had  no  chance  of  succeeding,  and  wishing  to  trace  its  proceedings,  I 
l>hiced  a  fragment  of  straw  in  the  hollow  within  its  reach.  Tlio  moment  it  had  touched 
this  railway  the  state  of  atTairs  was  changed ;  taking  a  firm  hold  with  its  hind  feet,  it 
swung  its  prey  round  and  set  otf  wjth  it  at  .a  si  lart  pace,  walking  backwards  and 
dragging  the  body  after  it.  From  this  time  it  was  constantly  endeavoring  to  ascend 
the  face  of  tlie  sand  clitf,  availing  itself  with  admirable!  ailroitness  of  morsels  of 
grass,  twigs,  etc.,  embedded  in  it,  not  seeming  to  care  how  obli(![uely  they  lay,  if 
they  enabled  it  to  gain  a  little  elevation;  so  that  its  track  was  a  zigzag.  Fre- 
quently it  chose  stems,  which,  rising  nearly  erect,  receded  from  the  bank  above.  I 
first  thought  it  was  losing  its  labor,  but  it  was  at  no  loss  how  to  act.  After  ascend- 
ing a  few  inches  with  the  wliole  weight  stispen<led  in  the  air  from  its  mandibles,  it 
would  poise  itself  and  its  Imrden  across  the  stem  with  its  head  towards  the  bank, 
tlien  throw  itself  otf,  at  tins  same  time  extending  its  wings,  which,  though  incapa- 
ble of  raising  it  from  the  ground,  were  able  to  gi\  r  it  some  impulse  toward  the 
bank,  on  wliich  it  thus  alighted  at  a  spot  someway  above  the  springing  of  the  stem. 
If,  on  ascending  one  of  these  twigs,  it  discovered  th:it  it  was  bent  the  wrong  way 
or  receded  too  far  from  the  cliff,  it  lost  no  time  in  hesitation,  but,  stopping  short,  of  a 
sudden  couunenced  the  descent  again.  It  may  be  guessed  that,  dragging  a  gross 
slimy  body  over  twigs,  etc.,  close  to  or  half  buried  'u  the  sand,  frequent  impedi- 
ments would  occur,  which  its  extreme  a(!tivity  in  walking  iudiflFerently  sideways 
or  backwards,  and  main  exertion  of  muscular  fortre,  generally  enabled  it  to  over- 
come; but  sometimes  it  had  dr.iwn  its  burden  under  or  between  two  twigs,  which 
arrested  its  course,  After  a  violent  tug  or  two  without  effect,  it  would  retrace  its 
steps,  dragging  the  larva  in  the  opposite  direction  till  it  was  extricated,  disposing 
it  so  as  to  keep  clear  of  obstacles,  and  start  again.  On  every  occesion  when  it  had  left 
its  hold  it  made  for  the  same  part,  and  spent  some  time  in  fastening  its  mandibles 
on  the  mouth  of  its  prey  beneath,  so  that  th»!  larva  should  be  dragged  on  its  back; 
once  where  this  was  not  the  case  it  was  impt  ded  by  the  latter  grappling  with  its 
feet  the  twigs  over  which  it  was  drawn,  and  its  cai)tor  tiuickly  finding  the  error, 
let  go  and  took  a  new  hold  in  the  usuiil  ]>osition. 

When  it  ascended  about  two  feet,  it  came  upon  a  fragment  of  reed  partly  em- 
bedded in  the  sand,  the  st«'m  of  which  was  broken  o!  and  open  below,  a  few  dry 
elastic  shreds  of  the  leaf  only  remaining.  Having  reached  the  jiart  where  these 
grew,  it  by  a  strong  pull  drew  its  burden  about  half  through,  till  its  body  was 
grasped  between  two  of  these  as  in  a  vice;  then  letting  go,  it  began  to  explore  the 
bank  on  each  side  to  some  distance,  tapping  with  its  antenuie  tlie  conspicuous 
objects.  In  a  few  minutes,  seeming  to  be  satisfied,  it  hastily  descended  the  reed, 
and  entered  its  stem  at  the  lower  ind;  it  did  not  remain  long  in  the  interior,  and 
on  its  reappearance  set  otf  for  the  spot  where  it  had  left  the  larva,  which,  after 
pulling  it  ont  of  the  holdfast,  it  seized  by  the  mouth  as  usual  and  began  to  descend 
the  reed  a;^  i ;  it  did  not  complete  the  journey  this  time,  but  taking  advantage  of 
the  same  kind  of  security  to  detain  its  prey,  it  repeated  the  reconnaissance,  then 
returning,  dragged  it  to  the  opening,  and  leaving  it  there  plunged  in  itself,  but 
immediately  reappearing  drew  in  the  larva  head  foremost,  speedily  disappearing  in 
the  interior;  so  that  I  could  not  observe  its  subsequent  proceedings,  and  being 
obliged  to  turn  homewards,  I  left  them  undistnrl)ed.  I  think,  however,  it  will 
seem  probable  that  the  bore  of  the  reed  was  employed  instead  of  an  artificial  funnel 
for  the  cells  which  should  contain  the  progeny  of  the  Bethylus,  with  its  store  of 
provision. 


30  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

This  interesting  observ^ation  of  Haliday's  on  the  habits  of  a  species 
in  this  group  is  quoted  at  length  as  being  quite  unique  and  contrary 
to  the  observations  matle  on  the  liabits  of  tlicse  insects  by  all  subse- 
quent writers.  It  probably  iiiHuenced  Ualiday  into  placing  the  Ueth- 
ylida^  among  the  Aculeata;  but  Ave  can  see  from  this  observation  that 
they  are  not  true  Aculeata,  for  the  insect  observed  by  Ualiday  would 
unquestionably  have  stung  the.larva  into  insensibility  fas  all  Aculeata 
do|,  before  attempting  to  carry  it  to  its  cell. 

The  genera  and  species  are  numerous  and  are  widely  distributed, 
being  ftmiul  in  all  i)arts  of  the  world. 

It  is  believed  that  the  following  synoptic  table,  prepared  with 
great  care,  will  enable  the  genera  of  this  difficult  group  to  be  readily 
determined  by  the  student  without  recourse  to  the  full  generic  de- 
scription : 

TABLE   or   (lENEKA. 

I'KMAI.KS. 

Wiuged 3 

Wingless. 
With  ocelli 2 

Without  ocelli ;  antcniiin  13-joiiite«l. 

Metathorax  much  contracted  or  straiigiilatcMl  at  hase. 
Scutellnm  present. 

Maxillary  palpi  6-joiiite<l;  niiiudililes  ,'{-  or  l-deutato..  .Pristocera  King 
Scutellnm  wanting. 

Maxillary  palpi  0-jointed;  nnindiijlcs  li-dentate Isohracuii'm  Forster 

Metathorax  not  much  contracted  .it  base,  <iuadrate. 
Scutellnm  present. 
Maxillary  palpi  5-jointed;  niandihlcs  Ith'ntate  ...  ..Sclkrokerma  Lati. 
Maxillary  palpi  t-jointcd;  mandihli'.s  3-dentate, 

DiMsoMrnAi.L's  Ashni.  gen.  nov. 
Maxillary  palpi  4-jointed;  normal;  mandihlts  2-dentate. 

Labial  palpi  3-jointod Ateleoptert's  Forster 

Maxillary  palpi  4-jointed,  deformed;  mandibles  2-dentate. 
Labial  i)alpi  3-jointiMl Apenesia  Westw. 

2.  Antennie  12-jointed;  maxillary  palpi  4-jointed Cepiialonomia  Westw. 

3.  Anterior  wings  with  a  stigmated  marginal  vein  and  a  marginal  cell,  the  radius 

always  well  developed 4 

Anterior  wings  without  stigmated  marginal  vein  and  margiaul  cell,  the  radius 
not,  or  but  slightly,  develoited.  > 

Anterior  wings  without  marginal  and  stiginal  vein. 

AntenniB  12-jointed ;  no  basal  cell Cephalonomia  Westw. 

Antennie  13-jointed ;  one  basal  cell Ateleopterus  Forster 

Anterior  wings  Avith  a  short  linear  marginal  vein  and  a  short  radius. 
Two  hasal  cells  about  equal  in  length. 

Antenna?  13-jointed L.elics  Ashni.  gen.  nov. 

Antenna^  12-jointed Bkthvus  Latr. 

4.  Basal  nervure  with  a  branch  directed  backwards,  sometimes  forming  a  small 

cell ;  a  parastigma 6 

Basal  nervure  without  a  branch  directed  backwards;  no  parastigma. 
Anterior  wings  with  an  incomplete  marginal  cell 5 


MONOGRAPH  OF  THK  NORTH  AMERICAN  rUOCTOTRYPID^.        31 

Antt-rior  wiufjs  with  Ji  couiplete  marginal  cell. 
Autennie  13-j()iuted. 

With  2  (liscoidiil  cells Eupsenku-a  Westw. 

With  1  (liscoidiil  cell Sikrola  Cameron 

5.  Mesonotal  furrows  distinct. 

Antennae  13-,jointod;  maxillary  palpi  6-jointed;  lahiala  3-jointe<l;  fore  femora 
much  swollen. 
Scutelluni  with  a  transverse  grooved  line  at  base. 

Maxilla  tril(>l>e<l  at  apex Calyoza  Westw. 

Maxilla  bilobed  at  ajiex Epvkis  Westw. 

Scutelliiin  with  'A  fovea'  at  base Mesitius  Spinola 

Mesoiiotal  furrows  wanting  or  indistinet. 

Antenna'  i:{-Jointed;  fore  femora  much  swollen. 

Scutellum  with  a  transverse  grooved  line  at  base (Ei'Yhis) 

Scutellum  with  '?■  fovea'  at  base (Mesitius) 

Auteunie  12-jointed Anoxus  Thorns. 

6.  Antenna!  12-joiuted Perisemus  Forster 

Auteuuaj  13-joiuted GONiOiiUS  Forster 

MALES. 

1.  Anterior  femora  much  swollen 2 

Anterior  femora  not  swollen;  anterior  wing  with  1  or  2  discoidal  cells,  usually 

open. 
Mesonotal  furrows  distinct,  usually  4 ;  antenna-  13-jointed;  no  parastigma. 
Mandibles  4  or  5  dentate;  maxillai'y  palj)i  0-jointed. 
Abdominal  segment  2  without  umbilicate  tubercles. 

First  discoidal  cell  distinct ;  stigma  large Pristockra  Klug 

First  discoidal  cell  indistinctly  detined,  always  open;  stigma  small, 

IsoBRACHiUM  Forster 
Mandibles  3-dentate;  maxillary  palpi  4-jointed. 
Abdominal  segment  2  with  2  umbilicate  tubercles, 

DissoMPiiALt's  Ashm.  gen.  nov. 

2.  Anterior  wings  with  a  distinct  marginal  cell,  the  stigmal  nervure  always  long. .4 
Anterior  wings  without  a  marginal  cell,  the  maginal  and  stigmal  uervures  want- 
ing, or  very  short. 

Anterior  wings  with  a  short  linear  marginal  nervure  and  a  short  radius 3 

Anterior  wings  without  marginal  and  stigmal  nervures. 
Antenna'  13-jointed. 

With  2  basal  cells Scleroderma  Latr. 

W'ith  1  basal  cell Ateleopterus  Forster 

Antenna-  12-J.)inted Cephaloxomia  W^estw. 

3.  Antenuic  13-jointed L.elus  Ashm.  gen.  nov. 

Antennjc  12-jointed Bethyi.us  Latr. 

4.  Anterior  wing  with  an  incomplete  marginal  cell,  the  stigmal  vein  long 5 

Anterior  wing  with  a  complete  marginal  coll;  antennai  13-Jointed. 

With  2 discoidal  cells Eupsenella  Westw. 

With  I  discoidal  cell Sierola  Cameron 

5.  Basal  nervure  with  a  branch  direct  backwards,  often  forming  a  closed  cell ;  a 

parastigma 6 

Basal  nervure  without  a  branch  directed  backward;  no  parastigma. 
Mesonotal  furrows  distinct. 

Antennae  13-jointed,  ramose Calyoza  Westw. 

Antenna"  13-jointed,  simple,  filiform. 
Scutellum  with  a  transverse  fovea  at  base;   maxilla  terminating  in  two 

lobes Epyris  Westw. 

Scutellum  with  2  fovea-  at  base;  maxilla  terminating  in  3  lobes, 

Mesitius  Spiuola 


32  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

ItlfHouDtal  furrows  \vantiii;r  or  iiidiHtinct. 
Antcmiii-  IJt-Joiiitcd. 

MiiudiblcH  loiif^,  slfiidcr,  bilid Apknksia  Wcstw. 

Miiudihh'S  broad,  4-  to  ri-di^utatt). 

SfiitcUmii  with  ii  t  rails  vtrso  fovea  at  base (Ei-vitls) 

Sciitellum  with  2  fovea'  at  biisc (Mksiths) 

Aiiti'iina-  12-.joiiit<'d. 

Eyes  hairv Axoxrs  Thoiiis. 

6.    Autcuiia-  12-joiiitcil I'KiiisE.Mls  I'drsttir 

Anteuiia^  l.'5-joiutcd (ioNio/u.s  Fiirstor 

PRISTOCERA  King. 

Weber  ii.  M(dir.  Heitr.  Natiirk.  ii,  i>.  202-6,  id.  iv  (1><1<»),  Westw.  ThcH.  Eiit.  Oxoii,  p. 
162  (1874). 

(Typti  /'.  dipreHsa  Fabr. ) 

Hesul,  in  i  obloiig-ovul,  convex  with  3  ocelli;  in  9  Ijirge,  oblong 
quadrate,  the  ocelli  wanting;  tlu;  eye.s  very  sniiill. 

Antenna?  in  both  sexes  13  jointed,  in  $  lonj;*,  tapering  toward  tips; 
the  scape  stout,  curved,  lumctate,  the  pedicel  minute ;  the  flagellar  joints 
are  liliiorm  or  subtiliforni,  trun(;ate  at  tip«5.  three  or  four  times  longer 
than  thick,  hairy  or  pubescent;  in  9  much  shorter,  submoniliforni,  the 
last  joint  somewhat  longer  than  the  penultimate. 

Maxillary  i)alpi  C-jointed,  long;  labial  palpi  3  jointed. 

Mandibles  in  S  dilated  at  apex  and  crossing  each  other,  5-dentate, 
teeth  acute,  conical,  the  outer  tooth  large;  in  9  stout,  curved,  the  apex 
3- or  4-dentate,  the  outer  tooth  large,  obtuse. 

Thorax:  Prothorax  in  i  triangular,  anteriorly  subtruncate,  deeply 
transversely  impressed;  mesonotum  with 2  to 4  distinct  furrows;  meta- 
thorax  convexJy  rnunded  posteriorly;  in  9  the  prothorax  is  subquad- 
rate,  rounded  anteriorly;  niesothorax  convexly  rounded,  with  an  im- 
pressed line  on  each  side;  the  scutellum  i^resent;  metathorax  usually 
more  or  less  strongly  contracted  at  sides  towards  the  base. 

Front  wings  in  $  with  an    oblong  or  oval  stigma,  an  inconq)lete 

marginal,  two  basal,  and  one  or  two  discoidal  cells;  and  sometimes  by 

holding  the  wing  up  to  the  light  other  cells  uiay  be  seen;  the  second 

basal  cell  is  a  little  longer  than  the  first  along  the  median  nervure.    The 

9  is  always  wingless  and  very  much  smaller  than  the  $  . 

Abdomen  in  the  $  ovate,  depressed,  subpetiolated,  the  second  and 
third  segments  longer  than  the  others;  in  9 ,  it  is  variable,  usually 
greatly  elongated,  pointed  at  apex. 

Legs  in  $  rather  long  and  not  nearly  so  much  swollen  as  in  Epyris, 
Mesitius,  etc.;  the  anterior  femora  a  little  thicker  than  the  posterior, 
the  anterior  and  middle  tibitc  shorter  than  their  femora,  armed  with 
rigid  bristles  anteriorly;  tibial  spurs  1, 2,  2,  the  outer  spur  of  hind  tibife 
very  long,  the  claws  long  curved,  with  a  tooth  within  near  base;  in  9 
shorter,  stouter,  the  tibia;  outwardly  spiuulose,  the  claws  simple,  not 
toothed. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PliOCTOTRYPID.E.        33 

A  well-defined  fjenus,  but  the  males  easily  coi  fused  with  Epyris. 
The  more  stronjfly  developed  venation,  the  distinct,  rhomboidal  dis- 
coi<lal  i-ell,  the  transverse  medial  nervure  beinj?  always  oblique  and 
not  so  much  curved  as  in  Epyris;  the  4  distinct  mesonotal  jjrooves, 
coarser  sculpture,  and  the  leas  distinctly  swollen  femora  will,  however, 
readily  distinjjfuish  the  genus.  The  females  have  fre<iuently  been  mis- 
taken for  those  of  otlier  genera,  but  the  (iharacters  given  in  the  table 
readily  separate  them.  Many  species  described  under  the  genus 
Scleroderma  belong  here. 

Mocsary's  work  "Magyar  Fauna,  etc.,"  in  which  this  genus  is  placed 
with  the  Sapygidai  as  a  subfamily  Pristocerina',  I  have  uot  been  able 
to  sec. 

The  species  in  the  United  States  are  uot  numerous,  but  two  being 
known  to  me,  separated  as  follows: 

Ft^males  wingless 2 

Males  vringed. 

Black ;  the  head  coarsely  rugose,  with  large  punctures. 
Large,  10-11""".;  flagellar  joints  at  apox  uioro  or  less  serrate.. P.  atka  King 

Moderate,  7-8"'™.;  flagellar  joints  at  apex  uot  serrate P.  armifera  Say 

2.   Large,  7  to  8">'".     Rufo-piceons,  the  abdomen  paler,  the  head  and  thorax 
with  coarse  scattered  punctures. 

Mandiltles  4-dentate P.  ATRA  Klug 

Smaller,  1""".     Rufo-piceons,  the  abdomen  darker,  smooth,  shining,  impunc- 
tured. 
Mandibles  3-dentate P.  armifkpa  Say 

Pristocera  atra  King. 

(Pl.ii,Fig8.i,  c?;  2,  9.) 

Web.  n.  Mohr  Beitr.  zur  Natnr  ii,  202,  <?  ;  Westw.  Thes.  Ent.  Oxon.,  p.  163,  pi. 

XXXI,  f. 5;  Cress.  Syn.  Hym.,  p.  247. 
Scleroderma  thoracica  Westw.,  Trans.  Ent.  Soc.  Loud.,  ii,  p.  167,  5  ;  Cress.  I.  c. 

S  . — Length  10  to  11"".  Black,  shining,  punctate,  sparsely  covered 
with  a  white  pile.  Head  quadrate,  coarsely  reticulately  punctate. 
Mandibles  black.  Palpi  piceous.  Ant-ennae  13-jointed,  very  long, 
longer  than  the  head  and  thorax  together,  tapering  toward  tips,  the 
flagellar  joints  about  four  times  as  long  as  thick,  truncate  at  tips  and 
slightly  produced  toward  one  side,  appearing  somewhat  serrate.  Col- 
lar rather  short,  rounded  before,  rugose  and  hairj'^.  Mesonotum  smooth, 
with  some  scattered  punctures  and  4  parallel  grooved  lines.  Meta- 
thorax  rugose,  with  raised  lines  and  a  slight  median  carina;  the  raised 
lines  at  base  are  short,  longitudinally  directed,  those  beyond  transverse 
and  irregular.  Abdomen  ovate,  depressed,  subpetiolate,  highly 
polished,  black,  shorter  than  the  thorax,  and  with  a  deep  longitudinal 
furrow  at  base.  Wings  fusco  hyaline,  the  costa  and  stigma  black, 
the  other  nervures  brown ;  the  stigma  is  somewhat  ovate,  the  second 
basal  cell  (submedian)  is  a  little  longer  than  the  first,  the  first  discoidal 
cell  distinct,  while  two  other  discoidal  cells  are  plainly  discernible  by 
water-colored  nervures. 

21899— No.  45 3 


34  BULLETIN    4.-.,  L'MTED    Kl'ATES    NATIONAL    MUSEUM. 

9. — Leiijjth  S  to  0""".  Iiiild  i>i<M'(Mis,  tlic  abdonu'ii  paler;  head  and 
thorax  with  soin»>  scatten'd  ]uiii(tiin's:  inaiulibh's  4  <l«Mitat«':  ]»ali)i  i)ale. 
The  i»iothoiax  is  one  aii<l  a  half  times  as  loiijjf  as  wide,  the  sides 
inijuessed;  seutellum  tlat,  rounded;  nutathorax  ehinj^ate,  laterally 
toward  base  very  stron<:;ly  coiitraeted,  so  that  the  base  is  not  half 
the  width  of  the  apex.  LejiS  brownish  yellow,  the  tibia*  strongly 
spinulose.    Abdomen  ehtii^ate,  ovate. 

Habitat. — (leorgia,  Florida,  Texas,  Mississijjpi,  and  Maryland. 

Types  in  llerlin  Miiseuni. 

The  types  of  this  species  I  Inive  seen  in  Uerlin.  Westwood's  type 
of  tiderotUrma  thorncica  is  labeled  "Carolina,  Zinnnerniann"  while  it  is 
accompanied  by  another  specimen  bearing  label  "Baltimore,  Md." 
King's  type  of  Prisfoccra  aim  is  in  good  condition.  As  suggested  by 
Prof.  Westwood,  these  insects  are  sexes  of  a  single  species.  It  is  the 
largest  species  known,  and  the  male  miglit  easily  be  mistaken  for  a 
Tiphiid.  My  collection  contains  specimens  eompared  with  the  types 
in  Berlin.  I  have  seen  specimens  from  various  i)arts  of  the  country, 
the  S  not  being  rare.  The  9  is  extremely  rare.  The  National  Museum 
contains  a  single  9  spe<'imen  collected  by  Mr.  E.  A.  Schwarz,  under 
bark,  at  Jackson,  Miss.,  February  li,  1879. 

Pristocera  armifera  Say. 

Bethylus  armlfenin  Say;  Lee.  Ed.  Say,  i,  p.  383,  ^  . 

EptjriH  htriventris Cr. ;  Trans.  Am.  Eiit.  Soc,  iv,  p.  193,  <?  ;  Ashm.  Ent.  Am.,  in,  p. 

76;  Crt'ss.  Syn.  Ilym.,  p.  217. 
Scleroderma  eontracla  Westw. ;  Trans.  Ent.    Soc  l^ond.,  ii,  p,  169,  pi.  15,  f.  11.  9 

i  . — Length  7  to  8""".  Black,  shining,  covered  with  a  sparse,  glit- 
tering Avhite  pile;  head  <iuadrate,  rugose,  with  dense  coarse  punctures; 
mandibles  rufo-piceous ;  palpi  rufous.  Anteniue  13-jointed,  setaceous, 
long,  covered  with  a  tint'  sericeous  jtubescence,  the  basal  flagellar  joints 
about  three  times  as  hmg  as  thick,  toward  the  apex  the  joints  rela- 
tively longer  on  account  of  the  antennie  tapering  off  at  apex. 
Pronotuni  rugose;  mesonotnm  snu)other,  with  sparse  deep  punctures 
and  4  grooved  lines ;  scutellum  polished,  with  few  punctures ;  metathorax 
longer  than  wide,  abruptly  truncate  at  tip,  transversely  rugulose; 
pleura  coarsely  punctured.  Legs  black,  tarsi  rufo-piceous.  Wings  sub- 
fiiscous,  the  venation  similar  to  J*,  atra,  but  without  the  water-colored 
nervures.  J  ■ 

9. — ^Length  4°"".  Eeddish  piceous,  smooth,  shining,  impunctured; 
abdomen  darker,  the  apical  margins  of  the  segments  pale;  antenme  and 
tarsi,  yellowish ;  mandibles  3-dentate.  Antenme  13-jointed,  the  pedicel 
more  than  twice  longer  than  the  first  flagellar  joint,  the  following  joints 
to  the  thirteenth  not  longer  than  wide,  the  thirteenth  twice  longer 
than  wide.  The  apical  margins  of  the  third,  fourth,  fifth,  and  sixth 
abdominal  segments  are  roundedly  emarginated. 


MOXOGKAI'H  OF  THE  NORTH  AMEUICAN  rilOCTOTUYI'ID.E.        35 

Habitat. — riiited  States. 

Tm'E:  9  ill  llerliii  Museum;  i  in  Natumal  Musemii  aiidColi.  Amer- 
icau  Kilt.  Sue. 

The  type  of  Sdcro^htmo  nmtracta  Westw.  I  liave  seoii  in  tlie  Berlin 
Must'uiii;  it  lias  .{-dentate  and  not  4  dentate  niaudihh'S,  as dt'sciibed  by 
Westwood. 

The  species  is  widely  distiilmted  over  tlu'  United  Stales,  but  the  9 
is  rare.     Sperimeiis  are  in  my  (mllection  I'lom  Florid;'  aiul  Iowa,  while 
the  National  Museum  ami  the  AiiK'ri«aii  Entomoloj;i«al  Soi-it'ty  have 
specimens  from  Texas,  Georjjia,  Virginia,  Maryland,  and  other  States. 

ISOBRACHIUM  Forster. 
•-  llyiu.  stud.,  II,  p.  !H)  (1«5(!). 

(Type  /.  (ihnaluH)  fuHcicorniH  Xees.) 

Head  in  5  much  elongated,  more  rounded  in  i  ,  the  clu'eks  ])o8teriorly 
delicately  margined;  eyes  in  9  wanting  or  very  minute,  in  cJ  rather 
large,  reaching  to  the  base  of  the  mandibles ;  ocelli  absent  in  9  ,  i^reseut 
in  the  $  . 

Antennse  13-jointed,  tiliform,  inserted  in  a  clypeal  fovea,  the  scape 
curved. 

Maxillary  palpi  G-jointed;  labial  jialpi  4  jointed. 

Mandibles  broadene  '  and  truncate  at  apex,  in  i  with  an  acute  outer 
tooth  and  with  usually  4  small  blunt  dentations  within;  in  $  with  3 
teeth,  the  outer  two  most  freiinently  eiiual. 

Thorax  in  $  similar  to  Epyrift,  the  prothorax  rounde«l  anteriorly,  the 
mesonotal  furrows  rarely  complete,  most  frecpiently  indicated  only  an- 
teriorly, sometimes  entirely  wanting;  there  is  also  a  distinct  groove  on 
the  shoulders;  metathorax  long;  in  the  9  the  thorax  between  themeso- 
and  metathorax  is  strongly  constricted  and  the  scutellum  is  wanting. 

Front  wings  in  i  very  similar  to  Epyris,  only  the  stigma  is  smaller, 
more  quadrate,  the  transverse  median  nervure  usually  more  oblique, 
not  so  distinctly  curved,  while  the  discoidal  nervure  is  present  and  the 
second  discoidal  cell  is  more  or  less  present;  the  9  is  always  apterous. 

Abdomen  ovate,  depresse<l,  the  segments  unequal;  in  9  elongate, 
conic  ovate. 

Legs  as  in  rrintocera,  not  much  thickened  in  the  <?  ;  tarsi  longer 
than  their  tibia*,  the  basal  Joint  of  posterior  tarsi  as  long  as  the  re- 
maining joints  united;  in  the  9  the  middle  tibiie  are  spinous. 

This  genus  bears  a  superticial  resemblance  in  the  male  sex  to  both 
Mefsitins  and  Epyris,  but  the  much  slenderer  legs,  eyes  extending  to 
base  of  mandibles,  and  the  4-jointed  labial  pali)i  readily  distinguish  it 
from  those  genera.  The  female  comes  nearest  to  rristoeera,  but  the 
absence  of  a  scutellum  and  the  strongly  constri<^ted  metathorax  suf- 
ficiently separate  it  from  it  and  other  wingless  forms. 


36  miLLETIN     15,  I'MTKI)    NTATKM    NATIONAL    Ml'SKl'M. 

In  statiiif;  this  ^»miiis  to  1m'  syinniyuKtu.s  witli  MvHit'nix  Spinola  and 
HeleroroUa  DalillMnn,  Vvoi'.  Westwood  «'n(Ml  anil  iuMed  not  a  littUi  t4) 
the  confusion  icsucctinj,'  it,  as  ull  tliesr  };tMi(  la  an'  <iuito  distinct,  Ife- 
hrovwlUt  is,  as  Dalilboni  indicated,  a  jicnus  in  tlic  family  <'hry.sidi«la', 
wliile  j}hxitiun  is  a  p-nus  allied  to  Kpyrin.  For  an  cxplanatiou  of  tliia 
statement  sec  my  remarks  under  the  j;enus  MeHitlun. 

The  j?enu.:  is  found  associated  with  various  ants;  it  maybe  jiarasitic 
iipou  the  ants,  or  up<»n  tlu^  myrmecophilous  ('oleoptera  so  frequently 
found  in  their  n«'sts. 

Our  siKicics  may  he  re<'Of;nized  by  the  aid  of  the  following  table: 

TABLE   OF   Sl'El.'IES. 

MALES. 

MesOi.iMum  without  fiirrowH 3 

Mesonotum  with  furrows. 

TransviTso  iiitMlian  nervuro  iutiTstitial 2 

TrauHvt'rae  median  lurviire  »'ve<tod. 

Antenna' and  legs  pale  ierru^jinons L  maoncm  sp.  nov. 

2.  Wings  snhhyaline. 

Abdomen  iiiccons,  paler  at  siitnies,  rufe.>*eent  beneath. 
Antenn*  and  legs  ])ale  ferriiginons  or  brownish  yellow. 

Mandibles  with  small  teeth  within I.  MYKMECo  riiii.UM,  sp.  nov. 

Mandibles  very  large  and  ))road  without  teeth  within. 

I.  MANDIHULARE,  Ashm. 

Wings  hyaline. 

Abdomen  rufous,  sometimes  more  or  less  piceous  toward  base  above. 
Antenna-  and  legs  pale  ferruginous. 

Abdomen  not  longer  than  the  thorax I.  rckivkxtrk,  sp.  nov. 

Abdomen  brownish-yellow. 

Abdomen  elongate,  much  longer  than  head  and  thorax  together. 

I.  MONTAXIM  8]).  nov. 

3.  Wings  subhyaline. 

Blaek;  legs  pale  ferruginous,  the  femora  obfuseated  above. 

I.  FLOKIDANUM  Ashm. 

femai.es. 

Head  black,  with  large  pnnctnres. 

Thorax  dark  brown,  or  mahogany. 

Abdomen  not  longer  than  the  thorax,  rufo-pieeons 1.  myrmecopHilum 

Thorax  rufous. 
Abdomen  brownish-yellow,  nnich  longer  than  the  head  and  thor   >;:  nnited. 

I.  montanum 
Hea«l  piceous.  i. 

Thorax  rufopiceous. 
AlKlomen  brownish-yellow,  hmger  than  the  liestd  and  thorax  together. 

I.  mandiiu:lare 

Isobrachium  magnum  sp.  nov. 

$  . — Length  nearly  5""",  Bla<'k,  punctate;  head  a  little  longer  than 
wide,  rather  strongly  ])unctate,  the  surfiu-e  alutaceous.  Antenna?  13- 
jointed,  brownish-yellow ,  tlie  liagellar  joints  from  2  to  2 J  times  as  long 


MONOGRAPH  OF  THE  NORTH  AMEKICAN  PKOCTOTUYPH)^.        37 

as  thirk,  t\w  last  Joint  twi<'»^  as  loiij;  as  the  penultimat*'.  Thorax 
aiiti'iiurly  narrowed,  tluH-oUar  brownish,  thr  iiu'sonoluin  with  1  «;r<M>ves, 
the  iniihlh' furrows  nioiv  or  less  iridistiiut  ami  al)lne\  iated  i)osterioily, 
tlie  stutelluiu  with  a  transverse  furrow  at  base,  the  nietathorax  twiee 
as  lonj;  as  wide,  rujjulose,  with  a  median  carina.  Winjjs  subhyaline, 
the  stijjina  an<l  nervnres  pale  brownish  yellow,  the  transverse  median 
nervnre  evected.  Lejis  brownish-yellow,  the  posterior  vox-.v.  som(>what 
dusky.  Abdomen  oval,  piceous-black,  the  apical  eiljjes  of  the  segments 
testaceous. 

IIahitat.— Spokane  Falls,  Wash. 

Type  S  in  Coll.  Ashnu'ad. 

The  larjfcst  8pe<ies  in  the  {jenus  known  to  me,  and  readily  dis- 
tinguished by  the  evected  tran8vers«i  median  nervnre. 

Isobrachium  myrmecophilum  s)i.  ii<»v. 

(Pl.ii.Fi«H.3,  <?;  4,  9) 

9. — Length  3""".  Head  twice  as  long  as  wide,  black  or  piceous, 
shining,  punctate,  and  sparsely  covered  with  a  dusky  pubescence. 
Eyes  and  ocelli  entirely  wanting.  Mandibles  rufous,  with  .'{  teeth. 
Anteniue  short,  13-,jointed,  rufous,  the  scape  nearly  one-half  as  long  as 
the  tlagellum ;  pedii-el  small,  rounded;  the  tlageUar  joints,  except  the 
last,  all  transverse,  the  last  oblong,  more  than  twice  as  long  as  the 
preceding.  Thorax  brownish-piceous,  highly  polished,  with  a  few 
scattered  punctures;  the  i)rothorax  is  greatly  elongate,  2^  times  as 
h)ng  as  wide,  with  nearly  parallel  sides  rounded  otf  anteriorly,  the 
anterior  depression  of  the  collar  pale  rufous,  finely  transversely  acicu- 
late ;  prosterimm  black ;  mesouotum  separate<l  from  the  pronotum  by 
a  distinct  furrow;  the  niesothorax  is  sei>arated  from  the  nietathorax  by 
a  strong  constriction,  trilobed  but  without  a  scutellum ;  the  metathorax 
is  scan'ely  larger  than  tlie  middle  mesothoracic  lobe.  Legs  pale  brown- 
ish-yellow, stout,  the  middle  tibia'-  strongly  spinous;  all  tarsi  longer 
than  their  tibia;.  Abdomen  oblong  oval,  brownish  pice(ms,  much 
shorter  than  the  thorax,  smooth,  impnnctured,  sparsely  pilose. 

i  . — Length  3  to  3.5'""'.  Black,  punctate;  head  oblong,  with  a  thim- 
ble-like punctuation,  mandibles  rufous,  antenuiB  and  legs  pale  brown- 
ish-yellow, collar  pale  anteriorly;  abdomen  jHceous,  paler  at  sutures. 

Antenna;  13-jointed,  extending  to  base  of  scutellum,  the  flagellar 
joints  not  quite  twice  as  long  as  thick.  Thorax  with  4  grooved  lines, 
the  middle  pair  parallel,  abbreviated  posteriorly;  those  on  the  shoulder 
abbreviated  anteriorly.  Metathorax  long,  minutely  shagreened  with 
a  central  longitudinal  carina.  Wings  hyaline,  the  stigma  and  sub- 
costal nervure  pale  brownish,  the  other  nervures  subhyaline;  the  radius 
is  very  long,  almost  reaching  to  the  apex  of  the  wing,  the  transverse 
hiedian  nervure,  oblique,  interstitial  with  the  basal. 

Habitat. — Pennsylvania,  District  of  Columbia,  Montana,  and  Ari- 
feona. 

Types  in  Coll.  Ashmead. 


38  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

This  species  lias  been  taken  from  tlie  ne.sts  of  the  ant  Formica  rufi- 
barbishy  II.(l.  Ilubbanl,  at  Ft.  Assiniboine,  Mont.,  and  is  also  associated 
with  ants  under  stones,  at  Wasliinjiton,  D.  C,  and  at  Beatty,  Pa. 

Isobrachium  luandibulare  Hp.  nov. 

9 . — Length,  S..")""".  Closely  allied  to  /.  rifjiventre  and  closely  re- 
semblin*;^  it:  Head  brown,  not  so  distinctly  imnctate,  the  outer  tooth 
of  mandibles  longer,  the  inner  tooth  subobsolete;  eyes  entirely  wanting ; 
legs  yeHow,  the  anterior  tibia' at  base  dnsky;  middle  tibiae  strongly 
spinous.  The  abdomen  is  long  and  measures  2""" ;  it  is  brownish-yel- 
low, except  the  short  petiole,  whi<'h  is  black.  The  13-jointed  antenme 
are  nearly  twice  the  length  of  the  oblong  head;  scape  half  the  length 
of  the  head,  much  uarrowed  at  base:  last  flagellar  joint  twice  as  long 
as  the  penultimate,  rounded  at  tip. 

S  . — Length  3.6"'™.  Black  and  agreeing  in  color  and  structure  with 
I.  myrmecophllum,  excei)t  as  follows:  The  head  is  a  little  broader;  the 
antenna?  a  little  stouter  and  shorter,  the  flagellar  joints  scarcely  1^ 
times  as  long  as  thick;  mandibles  very  large  and  broad,  brownish-yel- 
low; there  are  no  teeth  within  after  the  second  tooth  which  is  small, 
while  the  doisum  of  the  metathorax,  except  at  base,  is  smooth  and 
shining. 

Habitat.— District  of  Columbia  and  Fort  George,  Fla. 

Types  in  ('oil.  Ashmead. 

Both,  sexes  of  this  species  were  taken  together  in  the  nests  of  Cam- 
ponotiis  penusyhmnieus.  May  27,  18&],  by  Mr.  Theo.  Pergande. 

Isobrachium  rufiventre  sp.  nov. 

9 . — Length,  3.5  to  4""".  Head  variable,  from  piceous  to  black,  about 
twice  as  long  as  wide,  with  scattered  punctures;  eyes  wanting;  thorax 
brown;  antenna',  legs,  and  abdomen  brownish-yellow.  The  mandibles 
are  large,  crossing  each  other  at  tips,  and  terminate  in  3  black  teeth, 
the  two  outer  large,  eipial,  the  inner  one  small.  Antenuie  13-jointed, 
1^  times  as  long  as  the  head;  scape  st<mt,  not  quite  half  as  long  as 
the  hea<l;  pedicel  a  little  hmger  and  st<mter  than  the  first  flagellar 
joint,  the  following  joints  to  the  last,  wider  than  long,  the  last  conic. 
Prothorax  narrower  but  longer  than  the  mesothorax,  rounded  before, 
more  than  twice  as  long  as  wide,  separated  from  the  mesonotum  by  a 
deep  groove;  mesothorax  subcordate,  as  wide  as  long,  trilobed,  with- 
out a  scutellum,  the  lateral  lobes  obcordate.  Middle  coxa^,  much  larger 
than  either  the  front  or  hind  coxte,  pilose  beneath,  the  tibiaj  spinous; 
anterior  tibia?  with  only  a  few  spines.  Abdomen  long,  pointed  at  apex, 
about  l.G"""  in  length. 

S  . — Length,  3.6  to  4""".  Head  and  thorax  black,  shining,  sparsely 
punctuate,  the  jw&terior  margin  of  collar  tinged  with  rufous.  Antenna? 
and  mandibles  pale  rufous;  legs,  including  (;oxje,  pallid  or  whitish. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        39 

Abdoiueu   entirely  rufous.     \\'iuj;.s  salty  white,  the  stigmti  and  uer 
vures  hyaline. 

Habitat. — Yuma,  Ariz.,  Montana,  Texas,  and  Virginia. 

Types  in  Coll.  Ashmead,  National  Museum,  and  American  Entomo- 
logical Society. 

The  males  of  this  species  are  common,  the  females  rare. 

Both  sexes  were  taken  together  under  stones  near  an  ant's  nest,  by 
Mr.  Pergande,  August  ~),  1885,  at  Occoquan  Falls,  Virginia,  and  a 
single  9  w:as  taken  from  the  nest  of  Formica  obscuripes  at  Helena, 
Mont.,  by  Titus  Ulke. 

Isobrachium  montaiium  s[>  nov. 

9  . — Length,  5  '"">.  Head  oblong,  twice  as  long  as  wide,  piceous  black, 
punctate,  very  faintly  pubescent,  l^^yes  and  ocelli  wanting.  Mandi- 
bles rufous  ending  in  2  black  teeth.  Antennje  13-jointed,  brownish 
yellow,  the  scape  less  than  half  the  length  of  the  flagellum;  pedicel 
longer  than  the  first  funiclar  joint;  Hagellar  joints,  except  the  first  and 
last,  a  little  wider  than  long,  the  last  joint  f>blong.  Abdomen  much 
longer  than  the  hea<l  and  thorax  united,  i)ale  brownish-yellow. 

S  . — Length,  4 """.  I  lead  and  thorax  black,  the  collar  pale ;  antennae, 
mandibles,  legs,  and  abdomen  brownish  yellow;  wings  salty  white. 
The  thorax  is  smooth,  impunctured,  while  the  middle  grooves  of  the 
mesonotum  are  only  slightly  indicated  anteriorly.  Metathorax  long, 
smooth,  impuuctate,  the  central  carina  abbreviated.  Abdomen  longer 
than  the  head  and  thorax  together. 

Habitat. — Montana  and  Arizona. 

Types  in  Coll.  Ashmead.  ' 

The  9  of  this  species  was  taken  from  the  nests  of  Formica  rtifihar- 
bis  by  H.  G.  Hubbard  at  Helena,  Mont.,  while  the  male,  here  associated 
with  it,  was  obtained  from  a  collection  in  Arizona;  still  the  structure 
and  color  of  the  abdomen  are  so  similar  that  there  is  no  doubt  left  in 
my  mind  that  thej^  are  sexes  of  the  same  species. 

Isobrachium  florideinuni  Asluii. 
Ent.  Am.,  iii,  p.  7ti;  Cri-ss.  .Syn.  Hyui.,  p.  247. 

i  . — Length,  2.5  """.  Black,  suboi)a(pu',  finely  punctate  and  sparsely 
covered  with  a  whitish  pubescence.  Head  oblong,  closely  punctate; 
eyes  jiubescent,  mandibles  long,  crossing  each  other  at  tips.  Antenufe 
13-jointed,  ferruginous,  covered  with  a  dense  pubescence ;  scape  clavate, 
about  half  the  length  of  the  head;  pedicel  not  longer  than  wide  at 
tip,  narrowed  at  base;  first  flagellar  joint  a  little  shorter,  the  joints  be- 
yond longer.  Prothorax  trapezoidal,  longer  than  wide  across  the  base; 
mesonotum  very  short  without  furrows;  scutellum  with  a  transverse 
impressed  line  at  base;  metathorax  qmulrate  with  numerous  longitu- 
dinal raised  lines  at  base.    Wings  fusco-hyaline,  the  nervures  brown j 


40  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM. 

stigmii  small.  Legs  pale  ferruginous,  the  femora  with  a  dusky  streak 
above.    Abthnueu  black,  highly  ]»olishe(l,  oval,  shorter  than  the  tliorax. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Distinguished  at  once  by  the  absence  of  the  mesonotal  furrows  and 
the  longer  and  ditterent  shape  of  the  prothorax.  It  is  scarcely  con- 
generic with  the  others;  but  as  1  have  but  a  single  specimen  and  the 
mouth  parts  can  not  be  examined  I  must  be  content  to  allow  it  to  re- 
main here  for  the  present.  In  general  appearance  it  closely  resembles 
the  $  in  MesitiuH. 

SCLERODERMA  Latreille. 

Geu.  Crust,  et  Ins.,  iv,  p.  119  (1809);  Westw.  Traus.  Eut.  Loc.  Lond.,  ii,  p.   164 
(1839)  aud  1881,  p.  17;  Thes.  Eut.  Oxon.,  ]>.  169. 
Sclerochroa  Forster  Hym.  Stud.,  ii,  p.  168  (1856). 

Head  large,  subquadrate,  above  convex;  eyes  in  ?  small,  the  ocelli 
wanting;  in  S  ,  eyes  and  ocelli  normal. 

Antenna'  13-jointed,  longer  in  the  S  ,  shorter  and  more  incrassated 
in  the  9 . 

Maxillary  palpi  short,  5-jointed,  the  apical  joints  slender ;  labial  palpi 
3-jointed, 

Mandibles  small,  obtuse  at  apex,  4-dentate. 

Thorax  elongate,  the  prothorax  large,  triangular  or  semiovate;  me- 
sonotum  scutelliform;  metathorax  oblong,  in  9  narrowed  basally. 

Front  wings  in  S  without  a  stigma  or  stigmal  vein,  and  with  only  2 
short  basal  cells,  the  other  cells  entirely  obliterated;  9  apterous. 

Abdomen  in  i  ovate,  in  9  greatly  elongated,  cylindrical  aud  pointed 
at  apex. 

Legs  short,  thick,  the  femora  much  swollen,  tibial  spurs  1,  2,  2;  claws 
simple. 

The  characters  of  the  male  suflBciently  separate  this  genus  from  other 
forms,  but  to  distinguish  the  females  from  those  in  closely  allied  genera 
is  (juite  difficult.  T  am  convinced  that  many  females  described  under 
this  genus,  by  European  authorities,  do  not  i>roi)erly  belong  in  it,  but 
will  be  found  to  belong  to  other  genera,  i.  e.,  Pristocera,  Isohrachinvi, 
and  IHssomphalus,  as  the  mouth  parts  can  not  always  be  stitisfactorily 
examined.  .  ,     ,    /. 

Only  a  single  species  is  known  in  our  fauna,  as  follows: 

Scleroderma  macrogaster  A  slim. 

(PI. II, Fig. 6,  9.) 

Sclerochroa  niacrogaater  Ashui.  Ent.  Am.,  in,  p.  75,  $  ;  Cress.  Syu.  Hym.,  p.  247. 

9. — Length,  3'""'.  Head  oblong-quadrate,  black,  polishetl;  thorax 
and  legs  rufo-piceous,  the  knees  and  tarsi,  honey-yellow;  metathorax 
honey-yeHow ;  abdomen  black.  Antenna?  13-jointed,  honey-yellow,  one- 
fourth  longer  than  the  head,  the  scajic  about  one-third  the  length  of 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.       41 

the  flagerium,  curved,  uarrowed  at  the  base,  the  joints  of  the  flagellum 
uot  longer  than  thick.  Ab(h)meu  elongate,  poiuted-ovate,  two  and  a 
half  times  longer  than  the  thorax,  black,  highly  polished,  with  a  few 
hairs  at  tip,  the  first  and  third  segments  about  equal,  the  second 
slightly  shorter. 

Habitat. — Jacksonville,  Fla.  . 

Type  in  Coll.  Ashmea«l. 

DISSOMPHALUS  Aishiiieiul  ^en.  nov. 
(Type  1).  xanthopuH.) 

Head  in  $  oval,  very  little  longer  than  wide,  with  a  long  frontal 
carina;  eyes  oblong-oval,  extending  to  base  of  mandible,  nearly  bare, 
or  with  few  bristles ;  ocelli  3,  distinct ;  in  9  head  oblong;  eyes  small  oval ; 
ocelli  wanting. 

Anteniue  inserted  rather  far  apart,  13-jointed,  filiform,  submonili- 
form,  the  first  flagellar  joint  always  smaller  than  the  second. 

Maxillary  i>alpi  4-jointed;  labial  palpi  3-jointed. 

Mandibles  not  very  broad  at  tips,  truncate,  with  4  teeth. 

Thorax  in  $  subovate,  the  prothorax  not  very  long,  constricted  into 
a  collar  anteriorly,  tlie  pronotum  usually  very  short;  mesonotum  with 
or  without  furrows;  scutellum  with  a  transverse  impressed  line  at 
base ;  metathorax  subquadrate,  truncate  behind  but  the  angles  rounded ; 
in  9  with  the  prothorax  long,  narrowed  anteriorly;  scutellum  distinct; 
metathorax  quadrate,  very  slightly  contracted  at  base. 

Front  w  ings  in  $  with  two  basal  cells  of  an  equal  length,  the  trans- 
verse medial  nervure  being  straight,  an  obloug-quadrate  stigma  and  a 
long  stigmal  vein ;  9  always  apterous. 

Legs  in  $  slender,  the  femora  not  much  swollen;  tibial  spurs  1,  2,  2; 
tarsi  a  little  longer  than  the  tibiie,  the  basal  joint  nearly  as  long  as 
the  remaining  joints  united;  in  9  with  the  femora  swollen,  the  tibiie  not 
spinous. 

Abdomen  in  i  oval  or  rotund,  depre8se«l,  subpetiolate,  the  second 
body  segment  always  the  longest  and  with  two  very  small,  round, 
wart-like  cubercles,  usually  covered  with  short  hairs,  sometimes  placetl 
in  a  fovea  or  depression  and  variously  situated,  being  sometimes  close 
together  or  widely  separated;  in  9  long,  cylindric-ovate,  the  apical 
margins  of  segments  3  to  5  more  or  less  emarginate  or  sinuate. 

This  new  genus  can  always  be  distinguished  in  the  male  sex  by  the 
two  minute  wart-like,  pubescent  tubercles  on  the  second  abdominal 
segment  and  by  the  straight  transverse  median  nervure;  otherwise  it 
bears  a  close  resemblance  to  Isobrachhim.  It  agrees  with  that  genus, 
in  having  the  eyes  extending  close  to  the  mandibles,  in  its  mesonotal 
characters,  and  in  having  (comparatively)  slender  legs;  but  besides 
the  differences  already  mentioned,  which  are  sufficient  to  distinguish 


42  BILLETIN   43,  UNITED    STATES   NATIONAL   MUSEUM. 

it,  it  ditieis  in  the  more  slender,  4-de,iitate  inaiidibles,  in  having  4-joiiited 
maxilhii  y  pali»i,  and  a  shorter  nietathorax. 

The  female  resembles  Pristocera  and  Scleroilerma,  but  the  maxillary 
palpi  are  4,  the  labial  3-j()inted,  tht^  S(?utellnm  distinct,  while  the  nieta- 
thorax is  quadrate,  not  or  scarcely  contra(rted  at  base,  the  middle  tibia; 
not  spinous. 

Four  species  are  known  to  nw  in  the  nnile  sex  fr<mi  St.  Vincent,  West 
Indies,  and  two  from  the  Tnited  States. 

The  species  in  our  fauna  maybe  distinguished  as  follows: 

Whigless9  2 

Winged  ^ . 

Mesonotnni  with  2  distinct  furrows. 

Lf gs,  including  coxsp,  yellow ;  head  opaque,  finely,  densely  punctulate,  with 

no  frontal  furrow D.  x anthc  >pus  sp.  nov. 

Legs  yellow,  the  hind  coxie  black  or  black  basally;   head  shining,  feebly 

punctulate,  with  a  frontal  furrow D.  californicus  sp.  nov. 

2.   Abdomen  black. 

Thorax,  legs  and  anteun:e  testaceous;  he.ad  rufo-testaceous D.  xanthopits 

Thorax,  legs,  and anteunie  brownish-yellow ;  h«ad  blackish. . . . D.  carolinensis 

Dissomphalus  zanthopus  sp.  nov. 

(Pl.ii,Figs.7,  <?;  8,  9.) 

9.  Length,  3.5°"".  Head  rufo-testaceous;  thorax,  legs  and  Jinten- 
nae  flavo-testaceous ;  abdomen  black. 

Antenna?  13-jointed  about  the  length  of  the  head;  the  scape clavate, 
one-third  the  length  of  the  head;  tiagellum  subclavate,  involuted;  pedi- 
cel longer  than  the  first  flagellar  joint;  first  flagellar  joint  the  slender- 
est, a  little  longer  than  thick,  narrowed  basally,  the  following  joints 
very  gradually  becoming  stouter,  but  not,  or  scarcely,  longer  than  thick. 

S.  Length,  2.S""'".  IJlack;  the  head  opaque,  finely  imnctulate; 
thorax  shining  but  still  microscopically  punctate,  the  mesonotum  with 
two  furrows  and  a  grooved  line  on  the  shoulders;  mandibles  pale  rufous 
with  4  nearly  equal  teeth;  palpi  white;  legs,  including  the  coxa*,  yel- 
low. Antenna;  13-jointed,  the  scape,  pedicel,  and  first  flagellar  joint, 
yellow,  remaining  joints  fnscous;  the  flagellar  joints  except  the  first, 
are  about  one  and  a  half  times  as  long  as  thick,  densely  i)ubescent,  the 
last  a  little  h)nger  than  the  penultimati\  Metathorax  snlMjuadrate,  a 
little  wider  than  long,  almost  smooth,  being  only  slightly  rugose  at  base 
and  with  a  median  carina  extending  to  the  snpcrior  edge  of  the  trun- 
cature.  Wings  hyaline,  the  venation  yellowish;  the  stigma  is  3^  times 
as  long  as  thick,  a  little  narrowed  at  base  and  tnincate  at  apex.  Ab- 
domen oblong-oval,  not  as  long  as  the  thorax,  black,  highly  polished, 
the  anus  yellowish;  the  two  small  tulxMcles  on  the  second  segment  are 
widely  separated,  situated  at  the  basal  angles. 

Habitat. — Arlingtxm,  Va.,  and  Cedar  Point,  Md. 

Type  S  9  in  Coll.  Ashmead. 

Described  from  3  si>ecimens. 


MONOGRAPH  OF  THE  NORTH  AMEkiOAN  PROCTOTRYPID.E.    43 

DisBomphalus  califoiuicus  »|>.  iiuv. 

i. — Lenj^th  3""".  HliU'k,  shining;  tlie  In  I  but  feebly  puuctured, 
with  ii  Inmtal  depression  before  the  front  o(»lhi.s;  thorax  with  li  fur- 
rows; mandibles  rufous;  palpi  whitish;  legs  brownish  yellow;  thepos- 
teri«)r  coxse  black  basally ;  the  hind  femora  dusky  above.  Antenuie  13- 
joiuted,  fus<'Ous,  the  scape  and  pedicel  yeUow;  the  tirst  flagellar  joint 
very  small,  only  half  the  length  of  the  pedicel;  the  three  or  four  fol- 
h)wing  scarcely  longer  than  thick;  those  beyond  longer,  all  densely 
covered  with  a  short  pubescence.  Metathorax  subcpiadrate,  dorsally, 
except  Just  at  tij),  rugose,  with  a  median  carina.  Wings  hyaline,  the 
venation  pale  yellowish ;  the  stigma  is  thrice  as  long  as  thick,  truncate 
at  apex.  Abdomen  oval,  scarcely  half  the  length  of  the  thorax,  black, 
shining;  the  two  small  tubercles  on  the  second  segment  are  wide  apart, 
placed  near  the  basal  angles. 

Habitat. — California. 

Type  $  in  Coll.  American  Entomological  Society. 

Described  from  a  single  specimen. 

Distinguished  from  xanthopus  by  the  sculpture  of  the  head,  color 
and  relative  lengths  of  the  Joints  of  the  antennje,  longer  thorax,  color 
of  the  hind  legs,  shori^i-,  oval  abdomen,  and  in  the  position  of  the  two 
tubercles  on  the  second  abdonuual  segment. 

Dissomphalus  carolinensis  sp.  iiov. 

9. — Length  2.(>'""'.  Polished,  impunctate;  head  oblong-quadrate, 
piceous  black;  antennie  13-Jointed,  not  longer  than  the  head,  brownish 
yellow,  the  fiagellum  slightly  dusky  toward  apex  and  very  slightly 
incrassated;  the  scape  is  less  than  half  as  long  as  the  fiagellum  and 
stouter;  pedicel  larger  than  the  three  following  Joints  united,  which 
are  small  and  not  longer  than  thick;  the  Joints  beyond  these  to  the 
last  are  wider  than  long;  the  last  joint  longer  than  the  penultimate. 
Thorax  and  legs  brownish-yellow;  the  tarsi  pale;  metathorax  quad- 
rate, impressed  laterally  to  the  middle  coxa\  Abdomen  black,  polished, 
conic-ovate,  as  h)ng  as  the  head  and  thorax  united,  tlu^  incisions  pule, 
the  apical  margins  of  segments  3  to  6  slightly  emarginate. 

Habitat.— North  C!arolina. 

Tyi>e  in  Berlin  Museum. 

Described  from  a  single  specimen,  labeled  "Carolina,  Zimmermann." 

ATBLBOPTBRUS  Forht^r. 

Verb.  tl.  Natiirb.  Ver.  Preuss.  Kheinl.,  1851,  p.  5,  Tab.  i,  f.  1,  alaj. 

(Typo  J,  Forstvri  Kivchner ,  <?.) 

Head  in  apterous  9  oblong-quadrate,  flattened  sub(!t)nvex  above, 
the  eyes  small,  obh)ng-oval,  the  ocelli  wanting;  in  winged  9  with  ocelli; 
in  $  shorter,  the  eyes  large,  ])romiueut,  slightly  hairy. 


i 


4i  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM. 

Antenna'  13-jointed,  the  scape  alxnit  one-third  the  length  of  the  head, 
curve«l,  snbclavate,  shorter  in  the  9  ;  peilicol  small,  rounded. 

Maxillary  palpi  short,  4-jointed;  labial  palpi  2-jointed. 

Mandibles  in  S  4-dentate,  the  outer  tooth  a(!ute. 

Thorax  elongate,  the  prothorax  long,  triangular,  rounded  in  front; 
mesonotum  short  without  farrows;  seutellum  rounded  behind,  with  a 
transverse  furrow  at  base;  uietathorax  sub([uadrate,  roundedly  trun- 
cate in  S  ;  longer  abruptly  truncate  posteriorly  in  $  ,  with  squared 
sides. 

Front  wings  with  only  a  single  basal  cell  and  a  punctiforui  marginal 
vein;  no  stigmal  vein,  tlie  costal  cell  open;  $  sometimes  apterous. 

Abdomen  subpetiolate,  elongate,  cylindrical,  pointed  at  apex,  the 
second  and  third  segments  the  largest,  the  apical  margins  of  segments 
3,  4,  and  5  rcmndedly  emarginate  in  9  ,  in  $  straight. 

Legs  rather  short  and  stout,  the  femora  swollen,  tibiie  not  spinulose, 
the  claws  simjile. 

A  genus  closely  allied  to  Scleroderma  and  the  females  apt  to  be  mis- 
taken for  those  of  that  genus;  but  the  4-jointed  maxillary  palpi  and  the 
simple,  not  spinous,  tibiae  sufficiently  distinguish  them.  The  male  is 
recognized  at  once  by  the  single  basal  cell  in  the  front  wings. 

Fi3rster  characterized  the  genus  from  a  single  male,  the  female  being 
unknown  to  him.  I  have  been  enabled  to  perfect  his  diagnosis  by  the 
rearing  of  both  sexes  from  a  cluster  of  cocoons  found  in  an  old  stump 
and  from  specimens  of  another  species  reared  from  the  cosmopolitan 
beetle  Silranus  sHritmmeuHiH. 

The  siwcies  ki;own  to  me  in  our  fauna  may  be  tabulated  as  follows: 

TABLE   OF   SPECIES. 

Wingless  9    2 

Wliij^.utf  and  9  • 
Hlack. 

Wings  dusky;  legs  lirownish  yellow A.  nitbilipenxis,  Ashm. 

Wings  liyalino. 

Legs  rnfo-piceous ;  sutures  of  iihdominal  segments  rufous 

A.  VIRCIXIENSIS  sp.  nov. 

Legs  hliiek  or  piceous  black;  tarsi  honey  yellow;  sutures  of  abdomen 

not  rufous A,  taksalih  sp.  nov. 

2    Head  and  thorax  rufo-piceons;  abdomen  longer  than  the  head  and  thorax 
united,  black,  the  tij)  rufous. 
Antenna- and  legs  brownish-yellow A.  viH<iiNiKNSis,  sp.  nov. 

Ateleopterus  nubilipennis  Ashm. 
Ent.  Am.,  in,  p.  97  ,?  nee  9  ;  Cress.  Syn.  Hym.    i».  312. 

S  .  Length  3""".  iilack,  shining;  very  faintly  closely  punctulate, 
but  with  a  few  coarser  scattered  punctures  over  the  surface  and 
sparsely  covered  with  a  black  pubescence.  Antenna?  13-jointed,  the 
scape  brownish  yellow,  the  flagellum  fuscous;  the  scape  is  one-third 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        45 

the  length  of  the  head,  ehivjite,  a  little  bent;  the  perti«'el  small;  the 
flagellar  joints  a  little  longer  than  thick.  Prothorax  a  little  h»nger 
than  its  witltii  at  base,  rounded  before.  Mesouotuni  short,  transverse; 
seutellum  subconvex,  with  a  transverse  impressed  line  at  base.  Meta- 
thorax  a  little  hmger  than  wide,  finely  rugulose.  Wings  dark  fuscous. 
Legs  brownish  yellow.  Abdomen  black,  shining,  as  long  as  the  head 
and  thorax  together,  with  sparse  long  hairs,  thicker  at  the  i)oiuted 
apex. 

Habitat. — Jacksonville,  Fla. 

Type  S  in  Coll.  Ashmead. 

Ateleopterus  virginiensis  Hp.  nov. 

(Pl.iii,Fig8.1,  ^;  2,  9.) 

S  .  Length  1.75""".  Black,  smooth,  shining,  varied  with  rufous  or 
piceous.  Auteima'!  13-Jointed,  pale  brown  or  yellowish;  the  scape  one- 
third  the  length  of  the  head. 

Prothorax  long,  narrowed  in  front  twice  the  length  of  the  width  at 
base.    Metathorax  a  little  more  than  twice  as  long  as  wide. 

Wings  hyaline,  the  veins  of  the  single  basal  cell  pale  brownish-yel- 
low. Legs  rufous,  the  femora  sometimes  dusky  above.  Abdomen 
black,  the  sutures  tinged  with  rufous;  sometimes  the  rufous  color  ex- 
tending on  to  the  segments;  the  posterior  margin  of  the  second  and  third 
segments  emarginate  at  the  middle. 

9  .  Length  2.2""".  Hea<l  and  thorax  rufous ;  abdomen  jnceous-l'lack, 
the  pointed  tip  rufoxis,  the  sutures  pale,  the  posterior  margin  of  the 
third,  fourth,  and  fifth  segments  emarginate. 

Habitat. — Arlington,  Ya. 

Types  S  and  9  in  Coll.  Ashmead. 

Dest!ribed  from  several  specimens  in  both  sexes,  reared  from  a  clus- 
Iter  of  cocoons  taken  under  the  bark  of  an  old  stump  and  which  have 
enabled  me  to  complete  the  generic  diagnosis. 

Ateleopterus  tarsalis,  sp.  nov. 

9.    Length,    1.8""".     Black,  polished,  inipunctate;    antenns©   dark 

1  brown;  legs  piceous  to  black,  articulations  somewhat  reddish;  tarsi 

honey-yellow.    The  head  is  oblong,  a  little  longer  than  wide,  squarely 

jtruncate  at  base  and  apex,  the  sides  convex;  eyes  rather  large,  oblong 

loval;   antennse  13-jointed,  the  scape  clavate  not  quite  one-half  the 

jlength  of  the  head;  i>edicel  IJ  times  as  long  as  thick,  and  much 

[larger  than  any  of  the  following  joints,  the  flagellar  joints  closely  united, 

Avider  than  long.    Pronotum  a  little  h)nger  than  wide,  narrower  than 

fhe  head  and  longer  than  the  mesonotuni  and  seutellum  united ;  mes- 

)notum  about  half  as  long  as  the  seutellum,  smooth  without  furrows; 

■seutellum  with  2  fovesB  at  base;  metanotum  long,  quadrate,  with  the 

Udes  margined  and   a  central   carina.     Wings   hyaline,  the   venation 

jrowuish.     Abdomen  conic-ovate,  much  wider  than  the  thorax,  but 


46         BULLirriN  45,  united  states  national  mijseim. 

not  or  Si-arcely  longer,  iK^rfoetly  sinootli  and  shiny,  with  ;«  tine  sparse 
pnboscence. 

The  S  nieasnres  searcely  l./i""",  and  ditlers  from  tlie  2  as  follows: 
The  head  is  more  rounded;  the  liaj;ellar.i(»ints  are  a  little  lonjjer  than 
wide,  Avhile  the  abdomen  is  shorter  and  more  nearly  oval,  or  short 
ovate. 

Habitat. — VVasliinfjt<)n,  1).  (J.,  and  Lafayette,  Ind. 

Types  in  Coll.  Ashmead. 

I  first  reare<l  this  species  from  raisins  infested  with  iSilranns  suri-' 
namens is -.mil  other  Coleoi)tera;  subsecjuently  Prof.  F.  M.  AVebster  sent 
me  several  specimens  which  he  reared  in  Indiana  from  ISilmnun  snri- 
namensis  infestiuy  stored  grain.     It  comes   <piite   ch)se  to  A.  Fomferi 
Kirch.,  of  Europe,  but  differs  in  being  perfectly  sniooth,  impunctured. 

APENESIA  Westwood. 

Thes.  Ent.  Ox.,  j).  170.     Tiaiis.  Ent.  Soc.  LoiuL,  1«81,  p.  130. 

(Tyi>e  .1.  amazoniva  Westw.) 

(PI.  ni,  Fiji.  4,  9.) 

Head  large  oblong  or  subquadrate,  flattened;  eyes  in  5  minute  and 
composed  of  only  a  few  hexagons;  ocelli  wanting;  clypeus  anteriorly 
trituberculated ;  in  the  S  the  eyes  are  normal  and  the  ocelli  are 
present. 

Antenna;  13-jointed,  short,  the  tirst  joint  long,  the  s**cond  a  little 
longer  than  the  third,  the  following  short ;  in  the  S  the  flagellar  joints 
after  the  second  are  a  little  longer. 

Maxillary  palpi  deformed,  4-jointed;  labial  palpi  3-jointed. 

Mandibles  slender,  curved,  armed  at  apex  with  two  large  teeth. 

Thorax  in  ?  elongate,  the  prothorax  large,  suboval;  mesothorax 
short,  the  dorsum  subcordate ;  metathorax  oblong,  contracted  near  the 
base,  the  angles  rounded ;  in  S  elongate,  the  pronotum  very  long,  nar- 
rowed anteriorly,  the  mesonotum  with  one  distinct  furrow,  the  meta- 
thorax quadrate. 

Wings  in  S  similar  to  Epyrin,  the  stigma  very  minute,  the  radius 
very  long  and  slender. 

Abdomen  in  9  elongate  oval,  in  $  ovate. 

Legs  in  $  short,  thick,  fossorial,  middle  tibise  compressed  and  spin- 
ous, the  anterior  tibia;  terminating  in  two  spurs  and  the  basal  joint  of 
the  tarsus  is  lunate  and  armed  on  the  under  side  with  a  row  of  very 
fine  short  bristles;  the  middle  legs,  on  the  contrary,  are  very  robust, 
the  tibiae  strongly  serrated  on  the  outer  mi^rgin  and  the  spurs  finely 
spined;  in  the  middle  legs  the  tarsi  are  longer  than  the  tibite  and  have 
the  under  side  of  the  three  basal  joints  finely  spined. 

The  slender,  bidentate  mandibles  and  4-jointed  deformed  maxillary 
pal]>i,sufticiently  distinguish  the  female  of  this  genus  from  other  wing- 
less genera.  The  male,  which  is  here  described  for  the  first  time,  comes 
nearer  to  the  genus  DisHomjthalu«  than  to  any  other,  but  the  mandibles 


MONOGRAPH  OF  THE  NOUTH  AMEHK  AN  IMtOCTOTKYIMD.E.        47 

are  longer  and  more  .slender,  bidentate  and  cross  each  other  at  tips; 
the  head  is  quite  dittereutly  shaped,  being  nnich  longer,  a  little  wider 
anteriorly  than  iKJsteriorly ;  thci  pronotnni  wholly  different;  the  nies«) 
notuni  much  shorter  and  without  furrows;  the  abdominal  segments 
similar,  but  without  the  warty-like  tubercles  on  the  second  segment; 
while  the  venation  of  the  wing  is  quite  different,  the  stigma  being 
minute,  the  radius  very  long  and  slender,  the  basal  cells  slightly  sub 
equal  in  length. 

Apenesia  coronata,  sp.  uov. 

(PI.  Ill,  Fig.  3,  <^.) 

S.  Length,  3""".  Black,  shining,  alutaceous;  mandibles  long,  slen- 
der, crossing  each  other  at  tips,  bidentate,  rufous;  antenuie  13  Jointed 
brown;  pedicel  longer  than  the  first  flagellar  Joint,  joints  1  and  2  of 
Hagellum  ecjual,  a  little  longer  than  thick,  Joint  3  a  little  longer,  those  be- 
yond somewhat  longer  than  the  third ;  head  nearly  twice  as  long  as  wide, 
a  little  wider  before  than  behind,  the  vertex  with  several  blister  like 
elevations.  Thorax  smooth,  w  ithout  furrows,  the  pronotum  nearly  three 
times  the  length  of  the  mesonotum,  narrowed  before;  scutellum  sepa- 
rated from  the  mesonotum  by  a  delicate  transverse  furrow  at  base; 
metathorax  quadrate,  with  a  longitudinal  median  carina.  Wings 
hyaline,  the  venation  pale  brownish,  the  stigma  minute,  the  stigmal 
nervure  very  long  and  slender;  basal  cells  two,  nearly  equal.  Legs 
black,  the  tibia',  except  at  tips,  piceous,  tips  of  tibia'  and  tarsi  pale  or 
whitish.  Abdomen  ovate,  depressed,  i)olished  black,  about  as  long  as 
the  thorax. 

Habitat.— Bladensburg,  Md. 

Type  in  Coll.  Ashmead. 

For  the  single  specimen  of  this  rare  insect,  the  first  male  to  be  de- 
scribed in  the  genus  and  the  first  species  to  be  detected  in  the  United 
States,  I  am  indebted  to  my  friend  Mr.  E.  A.  Schwarz,  who  captured 
it  at  Bladensburg,  July  20, 1890. 

CEPHALONOMIA   Westw. 

Loud.  Mag.  Nat.  Hist.,  \i,  p.  420,  [1833]  ;  Syn.  Holopeaina.  Ffirst.,  Verb,  naturh.  Ver., 
prenss.  Rlieiiil.,7.  Jahrg.,  p.  502  (18.50);  Forst.,  Hym.  Stud.,  ii,  p.  125,  1856. 

(Type  r'./V>rH(te(/'o>vH(8  Westw.) 

Head  in  9  large,  oblong-quadrate,  flattened,  in  ^  more  rounded;  the 
ocelli  in  the  winged  form,  in  both  sexes,  present;  in  the  wingless  female 
absent. 

Antenna?  12-Jointed,  the  pedicel  larger  than  the  first  flagellar  Joint, 
in  S  filiform,  nearly  the  length  of  the  thorax,  in  9  not  or  scarcely  longer 
than  the  head,  submoniliform^  not  incrassated  toward  tips. 

Maxillary  palpi  4-jointed ;  labial  palpi  3-Jointed. 

Mandibles  3-dentate. 

Thorax  elongate  ovate,  the  prothorax  large  and  triangular,  narrowed 


48  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

or  I'DiiiKled  in  front;  njesonotuni  short,  without  furrows;  stMitellum 
witli  a  transverse  furrow  iit  base;  metathorax  subquadrate,  rounded 
bcliind. 

Front  winps  with  a  very  short  subm.arginal  vein,  terminating  in  a 
callous  spot  and  a  small  stijrma;  costal  rell  open;  the  stigmal  vein  and 
basal  eells  wanting.  The  5  is  usually  apterous  without  ocelli,  although 
sometimes  winged  with  the  venation  as  in  the  m-ile. 

Abdomen  ovate  or  oval,  subpetiolate,  the  second  and  third  segments 
large,  about  equal,  the  following  short,  the  posterior  apical  margins  of 
the  segments  usually  straight. 

Legs  short,  stout,  the  femora  swollen,  the  anterior  pair  larger  than 
the  others,  tibial  spurs,  1,  2,  2,  claws  simple. 

For  many  yetirs  the  true  position  of  this  genus  was  obscure.  Prof. 
Westwood  in  his  original  description  stated  jt  was  allied  to  Teleas,  and 
Forster,  as  late  as  1856,  in  his  Hyraenopterologische  Studien,  without 
a  personal  acquaintance  with  it,  incorporated  it  among  the  Diapriina'. 
It  has  been  fully  elucidated  since,  however,  and  properly  placed  by 
Westwood  in  the  Iicthylin(v,  details  of  which  will  be  found  in  the  Pro- 
ceedings of  the  London  Entomological  Society  for  1881,  p.  125. 

The  degraded  type  of  venation  and  the  absence  of  basal  cells  readily 
distinguish  tlie  winged  form  from  other  genera  in  the  group ;  but  with  the 
apterous  forms  it  is  quite  diflferent,  and  great  care  must  be  taken  to 
examine  the  mouth  parts  for  the  characters  laid  down  in  the  table,  or 
one  is  apt  to  confuse  them  with  Scleroderma. 

Only  three  species  a^e  known  in  our  fauna,  which  may  be  tabulated 
as  follows : 

Winged 2 

Wingless,  without  ocelli. 

Entirely  brownish  yellow  or  honey -yellow V.  fiALLicoLA  Ashm. 

Head,  thorax,  and  legs  rufo-testaceous,  the  collar  anteriorly  and  the  meta- 
thorax waxy  white. 

Abdomen  black C  cynipipiiila  Ashui. 

2.   Polished  black ;  legs  piceous. 

Wings  hyaline C.  iiyalinipennis  sp.  nov. 

Rufo-testaceous,  collar  and  base  of  abdomen  yellowish. 
Wings  Hubbyaline C.  nubilipennis  Ashm. 

Cephalonomia  gallicola  Ashm. 

(PI. Ill, Fig. 6,  9.) 

Sclerochroa  gallicola  Ashm.,  Ent.  Am.,  iir,  p.  75,  S  ;  Cress.,  Syn.  Hym.,  p.  247. 

9  . — Length,  1.8™"*.  Honey- yellow  or  pale  brownish-yellow,  smooth, 
polished.  Eyes  small,  round.  Antennje  12-jointed,  about  as  long  as  the 
head ;  scape  one- third  the  length  of  the  head;  pedicel  a  little  longer  than 
thick ;  the  flagellar  joints  all  small,  submoniliform.  Abdomen  pointed, 
ovat*,  a  little  longer  than  the  head  and  thorax  united  ;^  the  apical 
margins  of  the  second  and  third  segments  slightly  emarginate. 

Habitat. — Jacksonville,  Fla. 

Type  ?  in  GoU,  Ashmead. 


MONOGRAPH  Of  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        49 

My  specimens  were  bred  from  a  cynipidous  oak  fjall  {Andricm  folia- 
tits  j\.shm.),:md  is  probably  parasitic  on  some  coleopterous  larva  in- 
habiting the  gall. 

Cephalonomia  cyniplphlla  AMhiii. 

Sclerochroa  cynipiiiphila  Ashm.,  loc.  cit.,  ii,  p.  75;  (Jress.,  Syu.  Hyin.,  p.  247. 

9 . — Length,  2'"'".  Head,  thorax,  and  legs  rufo-testaceoiis,  the  collar 
anteriorly  and  the  nietathorax  waxy  white,  the  abdomen  black,  pol- 
ished. Antennic  lli-Jointed,  a  Httle  longer  than  the  oblong  head; 
sciii)e  slightly  longer  than  one-third  the  length  of  the  head,  bent,  nar- 
rowed at  base;  pedicel  twice  as  long  as  thick;  tlagellum  very  slightly 
thickened  at  the  middle,  the  first  two  joints  very  small,  not  longer 
than  thick,  the  following  wider  than  long. 

Habitat. — rTacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Bred  from  a  cynipidous  oak  gall  {Holcmpis  omnivora  Ashm.).  It  is 
not  necessarily  parasitic  on  the  cynipid,  as  other  insects,  dipterous, 
lepidopterous  and  coleopterous,  were  also  reared  from  the  gall. 

Cephalonomia  hyalinipennis,  sp.  nov. 

(Pl.m,  Fig.5,  <?.) 

S  9  . — Length,  1  to  1.5™"'.  Polished  black;  scape  and  pedicel  rufous; 
tlagellum  brown-black;  legs  piceous;  wings  hyaline;  tegula)  rufo- 
l)iceou8. 

The  female  in  this  species  agrees  in  all  respects  with  the  male  except 
in  having  a  much  longer  and  broader  abdomen,  it  being  broadly  ovate, 
fully  twice  as  wide  as  the  thorax,  and  in  having  a  much  longer  head. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

The  color  and  the  female  in  having  wings  render  the  species  easy  of 
idcntilication. 

The  S  was  reared  March,  1887,  from  the  galls  of  AmphiboUps  cinerea 
Ashm.,  while  the  9  was  bred  April,  1887,  from  Holeaspis  omnivora 
Ashm. ;  but  notwithstanding  they  came  from  different  galls,  I  believe 
they  are  sexes  of  one  and  the  same  species. 

Mj'.  F.  H.  Chittenden  has  recently  shown  me  several  specimens  of 
what  is  evidently  this  same  species,  reared  by  him  from  the  coleopteron 
Rypothenemus  eruditus,  living  in  the  dead  twigs  of  the  cultivated  fig. 
It  ditFers  from  my  type  in  having  black  femora. 

Cephalonomia  nubilipennis  Ashm. 
Holopedina  nubilipennis  Ashm.,  loc.  cit.,  iii,  p.  97. 

i . — Length,  1.8""°.  Rufo-testaceous,  smooth,  impunctured;  there 
is  a  dusky  blotch  across  the  scutellum  and  on  the  disk  of  the  abdo- 
men ;  collar  and  base  of  abdomen  yellowish.  The  antennae  are  12-jointed, 
]»;ile  brown,  IJ  times  as  long  as  the  head;  the  scape  a  little  more  than 
one  third  the  length  of  the  head,  the  pedicel  stouter  than  the  flagellar 
21899— :N^o.  45 4 


50  BULLETIN   45,  UNITED   STATES    NATIONAL   MUSEUM. 

joints;  the  liatjellar  joints  are  lonj;**!-  than  thick,  the  hist  twice  as  long 
as  thick,  i)nl)escent.  Legs  rufons,  the  femora  and  tibiee,  at  the  mid- 
dle, piceous.     Wings  subfuscous,  with  only  an  open  costal  cell, 

Hauitat. — Fh)rida. 

Type  S  in  Coll.  Ashniead. 

LiBLinS  Asbmrad  Ken.  nov. 
(Type  L.  trogodermatia.) 

Head  oWong,  nearly  as  wide  across  the  eyes  as  long;  in  S  wider 
across  the  eyes  than  long;  eyes  large,  oval,  hairy;  ocelli  3  in  a  triangle^ 
and  larger  in  the  S  than  in  the  9  . 

Antenna'  13-jointed,  hlifonn,  more  than  twice  as  long  as  the  head  in 
the  female,  and  in  the  male  much  hmger;  the  scape  is  about  one-third 
the  length  of  the  head,  cylindrical,  very  slightly  bent,  and  a  little 
stouter  than  the  flagellum;  the  pedicel  in  the  9  is  a  little  longer  and 
stouter  than  the  first  Hagellar  joint,  in  the  S  slightly  shorter;  the 
second  flagellar  joint  slightly  shorter  than  the  first. 

Maxillary  palpi  4-jointed ;  labial  palpi  3-joiuted. 

Mandibles  curved,  broailened,  and  truncate  at  tips,  5-dentate,  the 
outer  tooth  acute,  followed  by  small  teeth. 

Thorax  elongate,  the  prothorax  very  long,  triangular,  rounded  in 
front;  mesonotum  very  short,  without  furrows;  scutellum  with  a  trans- 
verse impressed  line  at  base;  metathorax  oblong  ([uadrate,  abruptly 
truncate  behind,  finely  transversely  rugulose,  usually  with  3  delicate 
longitudinal  carinje. 

Front  wings  with  two  distinct  basal  cells,  about  equal  in  length,  a 
very  short  marginal  and  stigmal  vein,  and  with  the  costal  cell  closed, 
a  vein  running  all  along  the  outer  margin. 

Abdomen  subpetiolate,  pointed  ovate,  the  third  segment  the  longest, 
the  fourth  about  half  the  length  of  the  third,  the  following  short. 

Legs  moderate,  pilose,  the  femora  swollen,  the  anterior  pair  the 
stoutest,  the  tibije  subclavate,  tibial  spurs  1,  2,  U,  the  tarsi  longer  than 
the  tibiae,  slender,  claws  simple.   - 

.  In  venation  this  genus  resembles  Bethylus,  but  the  13-jointed  an- 
tennae and  the  difterence  in  the  })alpi  readily  separate  the  two;  while 
from  Ateleopterus,  which  also  has  13-joint«d  antennje,  it  is  at  once  dis- 
tinguished by  the  two  basal  cells  and  the  short  but  distinct  stigmal 
vein. 
Three  species  are  known  to  me,  which  may  be  separated  as  follows : 

Coxffi  and  femora,  except  tips,  black. 

Wings  hyaline L.  trogodermatis,  sp.  nov. 

Legs  rufous  or  reddish-yellow. 
Anterior  coxjb  black,  the  others  usually  dusky. 

Metathorax  with  3  carinse  on  disk L.  tricarinatus,  sp.  nor. 

All  coxte  pale, 
Metathorax  with  4  carinte  on  disk,  transversely  rugulose.  .L.  rufifes,  sp.  nov. 
Metathorax  with  1  carina  on  disk,  finely  puuctulate . .  L.  migripilosus,  sp.  nor. 


'     MONOGUAl'H  OK  THE  NORTH  AMEUICAN  l'UO(  TOTKYPID.t.        51 
Lielias  trogodermatia,  sp.  luiv. 

?  .  Length,  2.4""".  Black,  highly  polish*'*!,  impunctured,  but  uiKler 
a  high  power  exiiibitiiig  a  tine  alutaceoiis  sculpture,  lleatl  very  little 
longer  than  wide,  without  pubescence;  a  short  keel  between  antenna* ; 
mandibles  4-dcntatc,  honey-yellow;  palpi  pale.  Antenna'  13-jointed, 
extending  to  teguhc,  pale  brownish;  scaiK^  basally  bljick,  about  as  long 
as  the  pedicel  and  tirst  two  flagellar  joints  united;  ]>ediccl  longer  than 
the  tirst  tlagellar  Joint;  second  Hagellar  joint  slightly  shorter  than  the 
first;  those  beyond  nearly  equal,  (luadrate.  Thorax  elongate,  the  pro- 
notum  three  or  more  times  as  long  as  the  mesouotum,  the  scutellum 
with  a  transverse  impressed  line  at  base.  All  coxie  bla«*k;  all  femora, 
except  tips,  black  or  i»i»eous  brown,  the  trochanters,  tibiie,  and  tarsi, 
honey  yellow.  Wings  hyaline,  the  venation  yellowish.  Abdomen  a 
little  longer  than  the  thorax,  pointe<l  ovate,  black,  shining,  impunctate, 
with  sparse  black  hairs  at  apex.  In  the  i  the  head  is  slightly 
wider  than  long;  the  antenna*  longer;  the  i)edicel  is  a  little  shorter 
than  the  first  flagellar  joint,  the  flagellar  joints,  after  the  tirst,  being 
about  twice  as  long  as  wide,  while  the  basal  joint  of  the  maxillary  palpi 
is  slightly  swollen. 

Habitat. — District  of  Columbia  (!) 

Types  in  National  Museum. 

Described  from  1  S  and  1  9  specimen,  reared  Nov.  1,  1884,  from  the 
larva  of  Trogoderma  tarsale  in  the  Belfrage  collection. 

Laelins  tricarinatus,  8]>.  nov. 

S  5.  Length  2.5  to  2.9""".  Black;  legs,  except  coxse,  and  antenna?, 
brownish  yellow.  AntennsB  13-jointed,  twice  as  long  as  the  head,  the 
pedicel  and  first  flagellar  joint  about  equal,  the  following  shorter  but 
still  all  longer  than  thick.  Mesonotum  very  short,  without  furrows. 
Scutellum  with  a  transverse  fovea  across  the  base.  Metathorax  longer 
than  wide,  transversely  rugulose,  with  3  carinae  on  the  disk.  Wings 
hyaline,  the  venation  pale  yellowish ;  marginal  and  stigmal  nervures 
very  short,  scarcely  developed. 

Habitat. — District  of  Columbia  and  Florida. 

Types  in  Coll.  Ashmead.  , 

This  species  is  readily  distinguished  by  the  three  longitudinal  metii- 
thoracic  carinae  and  by  the  anterior  coxa;  being  always  black.  It  comes 
nearest  to  L.  nigripilosiis,  and  like  that  species  is  sparsely  covered  with 
long  blaick  hairs. 

Laeliua  rufipes,  sp.  nov. 

9  .  Length  3°"".  Black,  shining,  alutaceous,  sparsely  pilose;  anten- 
nae 13-jointed,  brown ;  three  basal  joints,  mandibles,  palpi,  and  legs 
rufous.  Metathorax  with  4  longitudinal  carinae  on  the  disk,  the  surface 
rugulose.    Abdomen  pointed  ovate,  shorter  than  the  thorax,  polished 


52  BULLETIN    45,  UNITED    STATES    NATIONAL   MUSEUM. 

black,  sparsely  pilose.  Wings  hyaline  or  but  faintly  tinged,  the  vena- 
tion pale,  the  marginal  and  stigmal  nervures  but  slightly  devel<)i)ed. 
The  antenuiB  are  rather  long,  the  scape  2^  times  the  length  of  the  i)edi- 
cel;  first  flagellar  Joint  shorter  than  the  pedicel,  the  joints  beyond  all 
longer  than  thick. 

Habitat. — Western  States. 

Types  in  National  ]Museum  and-  Coll.  Ashmead. 

Laelius  nigripilosus,  up.  nov. 
(PI.  III.  Fig.  7,  5.) 

S  9  .  Length  l.S  to  2.5'"'".  Black,  shining,  faintly  alutaceous,  the 
head  in  the  9  much  wider  than  in  the  S  ,  similar  to  the  head  in  Gonio- 
zus.  Mandibles  in  9  black,  in  i  rufous.  Antenna?  13-jointed,  pale 
brown;  flagellar  joints  1  to  3  nearly  equal,  about  twice  as  long  as 
thick,  the  following  shorter;  in  the  9  the  ttageilum  is  stouter  and  the 
joints  shorter  than  in  the  S  .  Mesonotum  with  2  delicate  furrows,  in- 
distinct or  wanting  in  the  male.  ScuteUum  with  a  distinct  transverse 
farrow  at  base.  Metathorax  subquadrate,  the  dorsum  with  a  single 
central  carina  and  with  a  scaly  punctuation.  Wings  grayish-hyaline, 
the  nervures  yellowish  or  ])ale,  the  marginal  and  radius  very  short, 
scarcely  developed.  Legs  ferruginous  or  reddish -yellow.  Abdomen 
in  9  conic-ovate,  about  as  long  as  the  head  and  thorax  united,  subpe- 
tiolate;  in  $  ovate,  much  shorter  than  the  thorax.  Both  sexes  are 
covered  with  long,  sparse  black  hairs,  more  apparent  in  the  male,  and 
denser  on  the  head  and  towards  apex  of  abdomen. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

BETHYLUS  Latreille. 

Hist.  Nat.,  Ill,  315  (1802) ;  Forster,  Ilyui.  Stud.,  ii,  96  (1856). 

(Type  li.  ctnopterm  Pauz.) 

Head  oblong,  smooth;  eyes  broadly  oval  or  rounded;  ocelli  3,  distinct, 
prominent. 

Antennpe  12-jointed,  filiform,  moniliform,  or  setaceous;  scape  very 
short;  pedicel  in  9  a  little  longer  than  the  first  flagellar  joint,  in  $  shorter. 

Maxillary  palpi  6-joiiited ;  labial  palpi  3-jointed. 

Mandibles  short,  curved,  not  very  broad  at  tips,  truncate,  with  3  or 
4  small  teeth,  the  outer  acute. 

Thorax  subovate;  the  prothorax  triangular,  rounded  in  front;  me- 
sonotum most  frequently  without  furrows;  short,  transverse;  metatho- 
rax usually  with  delicate  longitudinal  keels,  the  apex  subtruncate. 

Front  wings  with  a  very  small  marginal  vein,  a  short  stigmal  vein,  and 
two  basal  cells  of  an  erjual  length;  no  traces  of  other  veins  or  cells. 

Abdomen  ovate,  pointed  at  tip,  the  third  segment  the  longest,  the 
apical  margins  of  the  segments  straight. 

Legs  short,  stout,  the  femora  much  swollen,  the  anterior  pair  the 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRVPID^.        53 

stoutest,  the  tarsi  not  or  scarcely  longer  tliau  tlie  tibiae,  slender,  claws 
simple. 

This  genus,  the  type  of  the  subfamily,  is  of  small  extent,  few  species 
in  it  having  been  discovered  either  in  Euroi)e  or  America. 

It  resembles  my  genus  LwUuh  in  venation,  but  the  12-joiuted  auteu- 
na;  and  the  G-jointed  palpi  readily  distinguisli  it. 

Our  species  may  be  tabulated  as  follows: 

TABLE   OP^    SPEriES. 

KEMALKS. 

Abdomen  with  a  strimj;  constriotiou  between  the  third  and  fourth  segments. 

Lejjs,  except  ciixie,  reddisli-ycllow H.  CONSTKICTIIS,  sp.  nov. 

Ab<b»iiieu  noruiiil. 

Legs  honey-yellow B.  pedatus,  Say. 

Legs  black,  tibiie  and  tarsi  brownish, B.  centratus,  Say. 

Bethylus  constrictus,  sp.  nov. 

9 .  Length  3™™.  Black,  shining,  impuuctured,  with  some  sparse 
black  hairs.  Head  a  little  longer  than  wi<le.  Antenna?  12-jointed,  less 
than  twice  the  length  of  the  head,  brown,  the  pedicel  very  small,  the 
flagellar  joints  very  little  longer  than  wide.  The  mesonotum  shows 
traces  of  furrows  posteriorly.  Metathorax  finely,  closely  punctate, 
subopaque,  with  raised  longitudinal  lines  towards  the  base.  Legs  red- 
dish-yellow, the  coxae  black.  Wings  dilute  fuscous,  the  veins  brown. 
Abdomen  black,  highly  polished,  as  long  as  the  thorax,  the  petiole 
very  short,  the  second  and  third  segments  long,  the  latter  the  longer, 
with  a  strong  constriction  between  it  and  the  fourth,  the  apex  produced 
into  a  stylus  like  point,  with  long,  sparse  black  hairs. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  which  is  remarkable  for,  and  easily 
distinguished  by,  the  constriction  between  the  third  and  fourth  abdomi- 
nal segments. 

Bethylus  pedatus  Say. 

(PI.  Ill,  Fig.  8,  9.) 

Best.  Jour.,  I,  p.  279;  Lee.  Ed.  Say's  Works,  ii,  p.  727;  Ashm.  Ent.  Am.,  ni,  p.  97; 

Cress.  8yn.  Hym.,  p.  247. 

?  .  Length  2.5"'".  Polished  black,  with  sparse  hairs.  Head  hardly 
longer  than  wide.  Anteuuie  12-jointed,  1.^  times  as  long  as  the  head, 
honey-yellow  or  pale  brownish-yellow,  fuscous  at  tips;  the  scape  is  a 
little  more  than  thri(!e  as  long  as  thick,  the  joints  of  the  ttagellum 
scarcely  longer  than  thick,  Mesonotum  without  furrows.  Scutellura 
with  a  transverse  impressed  line  at  base.  Mesonotum  finely  punctulate, 
with  longitudinal  raised  lines  or  carinae.  Wings  hyaline,  very  faintly 
tinged,  the  venation  yellowish.      Legs  dark  honey-yellow    the  cuxai 


54  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

dusky.  Abtloineii  as  long  as  the  thorax,  polished,  terminating  in  a 
stylus-like  point,  with  a  few  long  hairs. 

The  S  differs  only  in  its  antennal  characters  and  in  having  a  broader 
head.  The  antennsB  are  nearly  thrice  .as  long  as  the  head,  filiforn), 
tapering  at  tips,  the  scape  shorter,  the  joints  of  the  tlagellum  a  little 
longer. 

Habitat. — Indiana,  Florida,  and  Virginia. 

Specimens  in  Coll.  Ashniead. 

I  have  had  no  difficulty  in  recognizing  this  and  the  following  species 
of  Say's  from  his  remarks  at  the  end  of  his  description,  as  he  says: 
"This  species  and  the  following  {B.  eentrnttis)  are  remarkable  for  the 
brevity  of  the  inflected  tip  of  the  radial  nervure,  which  is  not  at  all 
arcuated,  but  points  obliquely  inwards." 

BethyluB  centratuh  Say. 
Lee.  Ed.  Say's  Works,  ii,  p.  727;  Ashm.  Ent.  Am.,  in,  p:  97;  Cress.  Syn.  Hym.,  p.  247. 

9  .  Length  S"""'.  Polished  black,  with  some  scattered  hairs.  Head 
across  the  eyes  fully  as  wide  as  long.  Antennse  12  jointed,  brownish- 
piceous,  the  scape  black,  the  pedicel  yellowish,  the  joints  of  the  flagel- 
lum  a  little  longer  than  thick.  Mesonotum  with  2  more  or  less  dis- 
tinct furrows.  Metathorax  closely,  finely  punctured,  with  raised  lon- 
gitudinal lines.  Wings  subhyaline,  the  venation  brown.  Legs  black, 
the  tibise  and  tarsi  brown  or  piceous.  Abdomen  ovate,  scarcely  as 
long  as  the  thorax,  i>olished  black,  with  a  slight  projecting  point  at 
apex. 

Habitat. — Indiana,  Colorado,  and  Florida. 

Specimens  in  Coll.  Ashmead. 

EUPSENELLA  Westwood. 

Thes.  Ent.  Oxon.  p.  168  (1874). 

(Type,  E.  agilia  Westw.) 

(PI.  IV,  Fig.  1,  <?.) 

Head  oblong,  subconvex,  broader  than  the  thorax;  clypeus  angu- 

lated  at  the  middle ;  eyes  smooth ;  ocelli  3,  distinct. 

Antennse  13-jointed,  rather  short,  the  scape  tlii  kened,  the  12  follow- 
ing joints  short  nearly  equal. 
Maxillary  palpi  6 jointed;  labial  palpi  .3-jointed. 
Mandibles  stout,  5-  or  G-dentate,  the  teeth  obtuse. 
Thorax:  prothorax  large,  semicircular;  mesonotum  with  2  furrows; 
metathorax  transverse,  the  posterior  angles  rounded,  between  punc- 
tured with  a  semicircular  impression  at  base  and  a  slender  median 
carina. 

Front  wings  with  a  large  stigma,  a  complete  marginal,  one  submar- 
ginal,  two  discoidal  and  two  basal  cells;  the  radial  vein  is  recurved  at 
apex  and  the  second  di.^coidal  cell  is  very  long,  extending  beyond  the 
apex  of  the  marginal  cell. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROPTOTRYPID^.        55 

Abdomen  obloug  ovate,  smooth. 

Legs  short,  the  anterior  femoia  especially  stout;  elaws  strongly 
eurved,  <lilated  at  base. 

A  genus  described  from  Australia  and  unknown  to  me.  Prof.  West- 
wood  further  describes  the  "maxilhe  as  minute,  terminating  in  3 
ciliated  lobes;  the  mentum  minute;  the  labium  mijuite,  membranaceous, 
hairy."  The  closed  marginal  cell  and  the  two  discoidal  cells  readily  dis- 
tinguish the  genus  from  all  others. 

SIEROLA  Cameron. 

Trans.  Lond.  Ent.  Soc,  1881,  p.  556 

(Type  S,  testaceipes  Cam.) 

Head  oblong. 

Antennse  13-jointed,  not  much  longer  than  the  head;  the  scape 
thicker  than  the  other  joints  and  as  long  as  the  following,  the  third 
and  fourth  slightly  longer  than  the  succeeding  and  produced  beneath 
on  the  longer  side;  remaining  joints  not  much  longer  than  broad,  dis- 
tinctly separated  from  each  other. 

Palpi  (?). 

Mandibles  (?). 

Thorax  (?). 

Front  wings  with  a  stigma  and  a  prostigma,  the  two  being  separated 
by  a  hyaline  space,  costa  thickened  in  front  of  the  stigma;  radial  cell 
completely  closed;  two  humeral  cells  unequal  and  closed;  from  the 
upper  end  of  the  lower  (and  smaller)  cellnle  there  proceeds  a  small 
oval  cellule,  which  is  united  to  the  prostigma  by  a  short  thick  nervure, 
so  that  the  upper  humeral  cellule  is  thus  completely  closed.  From 
the  end  of  the  radial  cellule  runs  to  the  edge  of  the  wing  a  white 
spurious  vein;  another  runs  in  the  same  direction  from  the  small  oval 
cellule  above  mentioned,  the  two  being  united  bj'  a  cross  nervure  half- 
way between  the  radial  cellule  and  the  apex  of  the  wing;  another 
spurious  vein  runs  from  the  lower  humeral  cellule  to  the  bottom  of  the 
wing. 

Abdomen  longer  than  the  head  and  thorax,  the  third  and  fourth 
segments  contracted  in  the  middle  at  the  junction;  in  length  subequal; 
the  last  is  acuminated. 

Legs  as  in  Periaemus. 

A  genus  unknown  to  me  and  not  yet  recognized  in  N^orth  America, 
the  type,  S.  testaceipes  Cameron,  coming  from  the  Sandwich  Islands. 
The  species  described  by  me  as  such,  8.  macnUpennis,  Entomologica 
Americana,  vol.  iii,  p.  75,  is  a  peculiar  little  braconid  belonging  to  the 
subfamily  Euphorintv,  and  will  luobably  form  the  type  of  a  new  genus. 

According  to  Cameron:  "This  genus  diflfers  from  all  the  genera  of 
the  Bethylloidte  in  having  the  radial  cellule  completely  closed  and  in 


56  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

the  presence  of  the  small  oval  cellule  imitiug  the  humeral  cellules.  It 
comes  nearest  to  (ioniozus  Fiirster.  In  the  shape  of  the  prostijjjma  it 
more  resembles  Perlstmusy 

Oamertm  does  not  appear  to  be  acquainted  with  Eupsenella  Westw., 
which  also  has  a  closed  radial  (iell  and  next  to  which  1  have  placed  it, 
believing;  it  closely  allied. 

Since  the  above  was  written  I  have  received  from  Mr.  G.  C.  Davis,  of 
Agricultural  College,  Michigan,  a  remarkable  male  Bethylid,  taken  in 
South  Dakota,  that  agrees  with  Sierola  in  having  a  closed  marginal 
cell,  but  in  other  particulars  differs  so  widely  as  to  lead  me  to  believe 
it  will  yet.  prove  quite  distinct  and  form  the  type  of  a  new  genus. 

As  Mr.  Cameron,  however,  in  his  diagnosis,  fails  to  define  the  i)alpal, 
mandibular,  and  thora(;ic  characteristics  of  Sierola,  I  am  unable  to  de- 
cide the  question  at  present,  and  rather  than  run  the  risk  of  creating  a 
synonymn  prefer  to  describe  it  doubtfully  under  this  genus.  The  front 
wing  is  represented  on  PI.  iv,  Fig.  2. 

(?)  Sierola  ambigua  sp.  nov. 
(PI.  IV,  Fig.  2,  <?.) 

S  Length  about  4.5™"'.  Black,  polished,  flnelj'  sericeous;  sutures 
of  trochanters,  extreme  tips  of  all  femora  and  tibite  and  tarsi,  except 
last  joint,  honey-yellow;  tibial  spursl,  2, 2;  claws  with  a  small  tooth 
at  base;  wings  subfuscous;  palpi  fuscous. 

The  head  is  transverse,  not  quite  as  broad  as  the  mesothorax  between 
the  wings;  ocelli  3,  triangularly  arranged ;  eyes  oblong-oval,  bare,  reach- 
ing not  quite  to  the  base  of  the  mandibles;  antennie  13-jointed,  filiform, 
extending  to  baseof  metathorax;  scape  subglobose,  obliquely  truncate 
at  tip;  pedicel  small,  rounded;  first  flagellar  joint  scarcely  two-thirds 
the  len^fth  of  second;  the  second  joint  longer  than  any  other  except 
the  last,  the  third  and  following  to  last  joint  verj^  gradually  shortened 
the  last  a  livtle  longer  than  the  second.  Thorax  shaped  much  as  in 
Epyris,  except  that  the  metauotum  is  smooth  and  polished  instead  of 
rugose;  the  pronotum  is  large,  trapezoidal,  the  collar  anteriorly  trans- 
versely impressed ;  the  mesoscutum  with  two  deep  parapsidal  furrows, 
and  with  a  longitudinal  furrow  ontheiiarapsides;  scutellum  with  a  trans- 
verse furrow  at  base;  metathorax  subquadrate,  the  posterior  angles 
slightly  rounded,  margined  at  sides.  Wings  ample,  subfuscous  the  vena- 
tion as  in  figure,  brown-black  or  fuscous;  the  marginal  cell  closed  and 
not  longer  than  the  stigma;  the  second  recurrent  and  second  transverse 
cubital  veins  i^Jirtially  visible  as  hyaline  lines.    Abdomen  lost. 

Habitat. — Brookings,  S.  Dak.  .  TTT 

Type  in  coll.  Ashmead. 

Described  from  a  single  sjMicimen  kindly  given  me  by  Mr.  G.  C. 
Davis.  * 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTKYPID^.        57 

CALTOZA  Weatwood. 

(PI.  IV,  Fig.  3,  <?.) 

Thes.  Ent.  Oxou.,  p.  156.    1874. 

(Ty^e,  ('.  ataphylinoideaV^estw.) 

Head  large,  subconvex;  eyes  placed  at  the  side  of  the  bead  before 
the  middle;  ocelli  distinct. 

Aut^niUTB  13-joiu ted,  joints  2  and  3  minute,  joints  4  to  12  in  S  ramose, 
in  9  simple,  cylindricnl. 

Maxillary  palpi  moderately  elongated,  G-jointed,  joints  1  and  2  short, 
the  4  following  longer,  nearly  equal  and  gradually  more  slender ;  maxilla 
small,  terminating  at  apex  in  three  flat,  membranaceous,  ciliated  lobes; 
hibial  palpi  short,  3-jointed;  mentum  subobovate. 

Mandibles  elongate,  in  S  broadly  obliquely  truncate  at  apex,  with  a 
large  apical  tooth,  followed  by  small  obtuse  teeth ;  in  $  with  large  irreg- 
ular teeth,  internal  tooth  obtuse;  beneath  armed  with  rigid  bristles;  the 
apical  middle  tooth  large,  triangular;  external  small,  obtuse. 

Thorax:  Prothorax  large,  subtriangular,  anteriorly  rounded;  meso- 
thorax  without  furrows;  metathorax  longitudinally  sulcate  and  trans- 
versely striolated. 

Front  wings  with  a  large  stigma,  an  incomplete  marginal  and  two 
basal  cells. 

Legs  of  the  usual  form;  claws  acute,  broad  at  base,  and  armed  with 
a  tooth  at  the  middle. 

A  genus  not  found  in  America,  north  of  Mexico,  but  readily  known 
by  the  branched  antennse  in  the  male. 

EPTRIS  West  wood. 

Phil.  Mag.,  1832,  p.  129;  Hal.  Ent.  Mag.,  iv,  p.  432;  Forst.  Hym.  Stud.,  ii,  p.  96; 

Westw.  Thes.  Ent.  Oxon.,  p.  157. 

(Tjrpe,  E.  niger  Westw.) 

Head  oblong,  not  much  longer  than  wide,  subconvex,  wider  than 
thorax;  eyes  hairy;  ocelli  distinct. 

Antennae  13-jointed,  long,  slender,  cylindrical,  much  shorter  in  9  ,  the 
scape  thickened  and  several  times  longer  than  the  pedicel,  the  follow- 
ing joints  short,  submoniliform,  nearly  equal  in  length. 

Maxillary  palpi  long,  6-jointed,  the  three  basal  joints  thickened,  the 
first  minute,  the  second  and  third  gradually  longer,  the  last  three  long, 
slender;  maxilla  terminating  in  two  oval  membranaceous  lobes,  ciliated 
at  apex;  labial  palpi  3  jointed,  the  joints  gradually  becoming  longer; 
mentum  small,  somewhat  broad  at  apex. 

Mandibles  falcate,  the  apex  oblique,  5-dentate,  the  outer  tooth  large, 
acute. 

Thorax:  Prothorax  triangular,  the  apex  rounded  and  with  a  deep 
transverse  furrow  above ;  mesothorax  trapezoidal,  the  mesonotum  with 
two  distinct  furrows ;  scutellum  with  a  transverse  furrow  or  fovea  at 
biise;  metathorax  transverse  or  subquadrate,  longitudinally  carinated. 


BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

Front  wings  with  a  moderate  sized  stigma,  an  incomplete  marginal 
and  two  basal  cells,  tbe  discoidal  cells  obliterated;  the  basal  cells  are 
about  equal  in  length,  the  first  oblique  at  apex,  the  second  rounded  or 
somewhat  angulate. 

Abdomen  ovate,  subpetiolate,  segments  2  and  3  the  longest;  the 
apical  margins  of  the  segments  are  entire. 

Legs  stout,  the  femora  much  swollen,  especially  the  anterior  pair, 
claws  often  with  a  tooth  towards  the  base. 

This  genus  might  easily  be  mistaken  for  forms  in  Calyoza,  Mesitiusj 
and  Isobrachiiim.  The  much  swollen  fore  femora  separate  it  from  Iso- 
brachium;  the  transverse  fovea  or  grooved  line  at  the  base  of  the  scu- 
tullum  from  Mesitius;  while  thebilobed  maxilla  separates  it  from  Caly- 
oza; but  when  one  is  in  doubt,  or  until  one  becomes  familiar  with  the 
habitus  of  the  genus,  the  full  generic  description  must  be  consulted. 

It  is  quite  well  represented  in  our  fauna  and  no  doubt  many  new 
species  will  be  discovered  when  the  ProcMrypidw  are  more  carefully 
collected. 

The  species  at  present  known  to  me  may  be  thus  tabulated: 

TABLE  OF  SPECTES. 

FEMALES. 

CoxaB  and  legs  nifons  or  pale  rnfoun 2 

Coxap  black. 
Legs  nifouB,  the  femora  more  or  less  fuscous  or  dusky. 
Wings  subhyaline. 
Head  and  thorax  neueous-hlack ;  metathorax  with  5  longitudinal  raised  lines 

with  transverse  lines  between E.  occidentalis,  sp.  nov. 

Legs  and  antenna<i  rufous. 
Wings  subfuscous. 
Head  and  thorax  opaque  black,  very  finely,  closely  punctnlate ;  metatborax 
with  a  central  raised  line,  the  surface  on  each  side  being  reticulate 
with  raised  lines,  g E.  carbonarius,  sp.  nov. 

2.  Head  black,  not  at  all  metallic 3 

Head  aeneous,  abdomen  bluish. 

Wings  fuscous E.  .£Neiceps,  sp.  nov. 

3.  Front  coxa>  black ;  antenna;  and  legs  rufous.  ,  . 

Wings  subfuscous. 
Metatborax  with  many  longitudinal  raised  lines  and  irregular  crosslines  be- 
tween; apex  of  abdomen  rufous E.  ANALisCr. 

All  coxffi  and  legs  rufous  or  honey-yellow. 
Wings  subhyaline.  .       :"       » 

Head  not  unusually  large  or  broad. 

^-  Metathoraz  with  6  or  8  raised  longitudinal  lines.  ^.:^__. 

Head  and  thorax  black. 

-_    — Mesopleurafoveated;  mandibles  5-dentate E. RUFIPES, Sfty. 

Mesoplenra areolated ;  mandibles  G-deniate E.  columbianus,  sp.  nov. 

Hea<l  and  thorax  with  a  bluish  tinge,  or  submetallic E.  okandis,  Ashm. 

Head  very  large  and  broad E.  mroacephalus,  sp.  nov. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTHYPIDiE.        59 

Epyris  oocidentalis,  sp.  uov. 
?.  Length  5""".  ^neous  bla(;k,  shining;  hea<l  with  sparse,  dis- 
tinct punctures;  mandibles  large,  5-dentate,  rufous ;  i)alpi  and  anteniife 
rufous,  the  latter  brownish  toward  tips.  Metathorax  with  5  longitudi- 
nal carinoB,  the  two  lateral  abbreviated  before  attaining  the  posterior 
margin,  the  surface  between  the  carinie  transversely  rugulose,  sides 
finely  longitudinally  striate.  Wings  yellowish-hyaline.  Legs  rufous, 
the  coxfe  blackish,  the  anterior  pair  always  black,  anterior  and  posterior 
femora  blackish  or  rufo-piceous. 

S  .  Length  4.3'""'.  Agrees  with  female  in  color  except  the  posterior 
coxre  are  blackish  and  the  antenuie  are  brown;  structurally  it  differs 
in  the  long,  acuminate  antenna?,  the  joints  being  at  least  3  times  as 
long  as  thick;  and  in  having  a  smaller  less  pointed  abdomen. 

Habitat.— California. 

Types  in  Coll.  Ashmead. 

Described  from  1  S  and  1  9  specimen. 

EpyxiB  carbonariuB,  sp.  noT. 
(PI.  IV,  Fig.  4,  ,f.) 
$  .  Length  3.5""".  Black,  opaque,  closely,  finely  punctate,  sparsely 
covered  with  a  glittering  white  pubescence.  Head  very  large,  one- 
fourth  longer  than  wide.  Antennae,  mandibles,  palpi  and  legs  rufous, 
the  coxie  black.  Antenn*  13-jointed,  extending  beyond  thetegulae; 
tlie  scape  curved,  narrowed  basally,  three  times  as  long  as  thick  at  the 
tip ;  pedicel  wider  than  long,  hardly  half  as  long  as  the  first  flagellar 
joint;  the  first  and  second  flagellar  joints  about  equal,  much  longer 
than  thick;  remaining  to  the  ultimate,  shorter  but  all  of  about  an 
equal  length,  the  ultimate  longer  and  thinner,  2J  times  as  long  as  thick. 
Prothorax  longer  than  wide,  laterally  impressed ;  mesonotum  broader 
than  long,  without  distinct  furrows,  although  with  a  strong  lens  faint 
traces  of  them  can  be  discerned  anteriorly;  scutellum  with  a  trans- 
verse impressed  line  at  base;  metathorax  longer  than  broad,  finely 
punctate,  slightly  rugose  basally,  with  a  trace  of  a  median  longitudi- 
nal carina.  Wings  fuscohyaline,  the  venation  brown,  the  stigma  sub- 
quadrate,  the  transverse  median  nervure  oblique,  with  a  spurious 
nervure  almost  interstitial  with  the  median  nervnre. 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Ashmead. 

Epyria  aeneiceps,  sp.  nov. 
9 .  Length  4"'"'.  Bluish  aeneous ;  the  head  with  a  slight  greenish 
metallic  luster,  sparsely  punctate;  mandibles,  palpi,  antennae,  and 
tegulae,  rufous;  wings  subfuscous;  metathorax  with  5  close,  longitudi- 
nal carinae  on  disk,  interstices  and  laterally,  transversely  rugulose,  the 
abrupt  sides  longitudinally  striated. 

Habitat.— Fort  Capron,  Fla. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  by  Mr.  E.  A.  Schwarz. 


M  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

Epyris  analia,  Cress. 

Trans.  Am.  Eut.  Soc.  iv,  p.  193,  9  ;  AHbiu.  Eut.  Am.,  iii.  p.  76;  (^ress.  Syn.  Hym., 
p.  247. 

9  .  Lengtli  G""".  Head  and  thorax  dark  metallic  jfreen,  shining-, 
si)arsely  clothed  with  pale  i>ubes(!enee ;  head  subquadrate,  flattened, 
rather  dosely  and  finely  punctured;  mandibles  dark  ferruj;inous;  palpi 
whitish;  antennae  short,  robiist,  ferruginous;  pro  and  mesothorax 
sparsely  and  linelyi)uuctured;  motathorax  black,  quadrate,  abrupt  later- 
ally and  abruptly  truncate  at  tij),  above  minutely  and  transversely  aci- 
culated,  the  disk  with  4  or  5  approximate  lonj>itudinal  cariuii',  posterior 
face  transversi'ly  aciculated,  the  sides  longitudinally  so;  tej;:ulie  ferrugi- 
uous,  wings  tinged  with  yellowish-fuscous;  legs  short,  robust,  pale 
ferruginous,  anterior  coxa^  black,  all  the  femora  incrassated;  abdomen 
elongate  ovate,  smooth  and  jmlished,  black,  immaculate,  apex  ferru- 
ginous. 

Habitat. — Texas. 

Type  in  Coll.  American  Entomological  Society. 

Epyris  nifipes,  Say. 

Bethylus  nifipes  Say,  Lee.  Ed.  Say's  Works  i,  p.  221. 

Epyris  rnfipes  Cr.  Trans.  Am.  Ent.  Soc.  iv,  p.  193;  Asbm.  Ent.  Am.  Ill,  p.  76; 
Cr.  Syn.  Hym.,  p.  247. 

9.  Length  4"'™.  Black;  head  large,  with  sparse  punctures;  eyes 
hairy;  mandibles  large,  broad,  rufous,  6-deiitate ;  legs  and  antenna?  ru- 
fous, the  latter  a  little  dusky  at  tips. 

Antenna'  13-jointed,  long,  the  S(;ape  as  long  as  the  first  three  flagellar 
joints  together;  flagellum  tapering  ofl^"  at  tip,  the  first  joint  the  smallest, 
the  others  all  much  longer  than  thick.  Thorax  coriaceous,  the  meta- 
thorax  with  longitudinal  raised  lines,  the  surface  between  transversely 
rugulose.  Wings  subhyaliue,  the  nervures  brownish,  the  radius  very 
long.  Abdomen  ovate,  pointed  at  tip,  sparsely  hairy,  black  and  polished, 
the  extreme  apical  edges  of  segments  3  to  6  rufous. 

Habitat. — Indiana  and  Southern  States. 

Specimens  in  Coll.  American  Entomological  Society  and  Coll.  Ash- 
mead. 

Epyris  columbianus,  sp.  nov. 

9  .  Length  5""".  Black,  shining,  coriac-eous ;  head  sparsely  punctate, 
mandibles  rufous,  large,  6-deutate;  antennae,  except  flagellum,  legs  and 
tegulai  rufous;  flagellum  dusky;  wings  subfuscous.  Metathorax  with 
5  longitudinal  carina^  on  the  disk,  the  two  between  the  central  and  the 
outer  abbreviated,  the  outer  curving  outwardly  towards  apex,  the  sur- 
face transversely  rugulose. 

The  $  is  only  4°"°  in  length,  and  agrees  with  the  female,  except 
that  the  antenna?  are  longer,  the  flagellar  joints  being  2J  times  as  long 
as  thick,  the  thorax  with  some  sparse  punctures,  the  abdomen  elongate, 


MONOGRAPH  OF  THE  NORTH  AMKRICAN  PKOCTOTRYPID.E.        fil 

the  second,  third,  and  fifth  joints  about  wjual,  the  fourth  beiuj?  only 
half  the  h'n<;th  of  the  third, 

IlAHiTAT. — Washinj^ton,  1).  C,  and  Jacksonville,  Fla. 

Types  in  Coll.  Ashinea<l. 

Distinct  from  E.  rnfijMs  Hiiy  in  its  lar  'er  size,  darker  wings  and  the 
G-dentate  mantlibles. 

Epyris  grandis  Ashm. 

(woniozua  ijranditi  Ashin.   Eiit.  Am.  in,  p.  76;  Cress.  S.vu.  Hym.,  p.  247, 

(J .  Length  6.L'o'""'.  Polished  black,  with  a  few  faint  scattered  punc- 
tures. Head  one-fourth  longer  than  wide,  carinated  between  the  bases 
of  antennie.  Mandibles  rufous,  jiiceous  at  base.  Palpi  pale.  An- 
tennae 13-Jointed,  long,  filiform,  brown,  tapering  at  tips  and  extending 
to  the  apex  of  the  metathorax;  the  scape  is  only  twice  as  long  as  thick 
at  tip;  the  pedicel  a  little  siiorter  than  the  first  flagellar  joint,  not 
longer  than  thick ;  tlie  first  flagellar  joint  slightly  longer  than  thick  and 
about  one-fimrth  shorter  than  the  second;  the  remaining  joints  longer, 
about  e(iual  in  length  but  becoming  slenderer  towards  the  apex.  Pro- 
thorax  as  h)ng  as  the  head,  trapezoidal;  mesonotum  with  two  abbre- 
viated furrows  in  S  ,  entire  in  9  ;  scutellum  with  a  furrow  across  the 
base;  metathorax  quadrate,  with  numerous  faint  raised  lines  at  base; 
mesopleura  smooth  with  a  round  fovea  just  beneath  the  teguloe,  and 
divided  into  two  parts  l)y  a  longitudinal  furrow  which  extends  from 
teguhe  to  middle  coxse.  Wings  hyaline,  the  venation  brown,  the  trans- 
verse median  ncrvure  arcuate  outwardly  with  a  spurious  vein  directed 
towards  the  disk  of  the  wing. 

Habitat. — Jacksonville,  Fla. 

Types  $  and  $  in  Coll.  Ashmead. 

The  spurious  backward  directed  vein-  from  the  transverse  median 
nervure  caucjed  me  to  confound  it  with  the  genus  Goniozus  in  my  orig- 
inal description  of  the  species. 

^  Epyris  megacephalus,  sp.  nov, 

9  .  Length,  6""'".  ^ neons  black;  head  large,  broader  than  the  tho- 
rax, rather  closely,  strongly  punctate;  mandibles  large,  the  fourth 
tooth  very  broad ;  antenuiB  and  legs  rufous,  the  anterior  coxae  black ; 
metathorax  with  several  longitudinal  carintB  on  the  disk,  the  surface 
transversely  rugulose,  the  surface  at  posterior  angle  smooth,  ludished. 
Abdomen  pointed  ovate,  shorter  than  the  thorax,  smooth,  polished;  the 
apical  margins  of  the  segments,  after  the  second,  narrowly  rufous;  seg- 
ments 2,  3,  and  4  nearly  equal,  longer  than  the  following. 

Habitat. — California. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 


62  BULLETIN    15,  UMTED   STATES   NATIONAL   MUSEUM. 

MESITIUS  Spinola. 

Coniptc.  rendu  Ilyui.  do  Para  (184H);   Mom.  Atad.  Turiu,  S^r.  ii,  torn  13  (1853); 

Westw.,  Thes.  Ent.  Oxoii.,  p.  222. 

(Type  J/,  ffhiliauii  Spin.) 

Head  oblong,  subconvex,  not  much  longer  than  wide;  eyes  oval; 
ocelli  distinct. 

Antenuiw  13-jointed,  in  $  long,  in  ?  much  shorter,  the  scape  thickened, 
about  four  times  as  long  as  the  pedicel,  the  following  joints  short. 

Maxillary  palpi  rather  long,  6-joiiited,  the  three  basal  Joints  gradu- 
ally increasing  slightly  in  length,  the  three  terminal  ones  longer  and 
subequal;  maxilla  terminates  in  three  membraneous  ciliated  lobes; 
labial  palpi  3-jointed,  the  Joints  nearly  e<iual. 

Mandibles  oblong,  with  the  apex  oblique  and  but  slightly  sinuated ; 
in  the  9  the  outer  tooth  is  small,  acute,  followed  by  a  very  small  tooth, 
the  rest  of  the  surface  scarcely  denticulate;  in  S  4-  or  5-dentate. 

Thorax:  Prothorax  long,  triangular  or  trapezoidal,  the  apex  at  the 
junction  with  the  head  contracted,  with  a  deep  transverse  furrow  above; 
mesonotum  usually  with  two  distinct  furrows,  often  abbreviated  poste- 
riorly; scutellum  with  two  fovese  at  base ;  metathorax  with  prominent 
Ijosterior  angles,  the  dorsum  with  many  longitudinal  carinae. 

Front  wings  with  a  moderate  sized  stigma,  a  long,  incomplete  marginal 
cell  and  two  basal  cells,  the  apices  of  both  being  more  or  less  oblique. 

Abdomen  ovate  or  oblong-ovate,  smooth,  the  second  segment  the 
longest,  the  apical  margins  sinuate  or  emarginate. 

Legs  as  in  Epyris,  the  claws  slender,  nearly  straight,  with  a  tooth  at 
the  middle. 

This  genus  closely  resembles  Epyris  and  great  care  is  necessary  to 
distinguish  it  from  that  geuus.  As  far  as  the  North  American  species 
are  concerned  I  have  had  no  difficulty  in  separating  them  by  the  two  fo  vea3 
at  the  base  of  the  scutellum. 

Westwood,  in  Thesaurus  Entomologicus  Oxonieusis,  p.  222,  and  in  the 
Transactions  of  the  Entomological  Society  of  London,  1881,  p.  125, 
states  that  the  genera  Isohrachium  Forster  (Hym.  Stud.,  ii,  p.  96, 1856) 
and  Heteroccelia  Dahlbom  (Hym.  Europ.,  ii,  p.  21,  1854)  are  synony- 
mous with  Mesitius,  an  opinion  in  which  I  can  not  concur.  The  apical 
segments  of  the  abdomen  of  Heteroccelia  nigriventris  Dahl.,  the  type 
of  the  genus,  is  figured  by  Dahlbom,  loc.  cit.,  p.  23,  and  it,  as  well  as 
the  description,  plainly  point  to  a  chrysidid.  Dahlbom  also  figures  it 
on  PI.  1,  Fig  15.  A  careful  comparison  of  this  figure  with  Westwood's 
(Thes.,  PI.  31,  Fig.  10)  plainly  shows  that  Dahlbom  has  a  genuine 
chrysidid  and  Westwood  a  genuine  proctotrypid. 

It  is  inexplicable  to  me  how  so  careful  a  worker  as  Westwood  could 
have  made  so  grave  an  error.  Forster,  in  his  definition  of  the  genus 
Isohrachium^  evidently  confused  and  correlated  as  sexes  two  distinct 
insects.    His  Isohrachium  dichotomus  is  a  $ ,  and  evidently  a  genuine 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        63 

Meaitiug,  while  its  supijosed  S  ,  OmaluK/uMcieornitt  Jnrine,  is  a  genuine 
Isobrachium.  An  error  of  this  kin<l  does  not  necessarily  invalidate 
the  genus,  the  umle  still  holding  good  as  the  tyi)e  of  the  genuH.  A 
male  specimen  of  Otnalux  fmcicornxH  is  in  my  collection,  and  although 
it  closely  resembles  males  of  Epi/ris  and  MenUius  it  is  «]uite  distinct,  as 
I  have  pointed  out,  and  it  is  here  made  the  type  of  the  genus  Inobra- 
chiiim  Forster. 

The  following  table  will  be  found  useful  in  separating  the  North 
American  species: 

TABLE   OF   SPECIES. 

CoxiB  and  legs  pale  rufous  or  houey-yellow 2 

Coxa^  ami  fenioru  black ;  wings  subhyalino  or  fnscous. 

AntenniB  and  legs  black,  the  tarai  fuscous  <J M.  monticola  Ashm. 

Antenna*  and  legs  dark  rufous  9   M.  vancoc verensis,  sp.  uov. 

Front  coxiu  and  femora  black,  middle   and  posterior  femora   rufous,  or  only 
slightly  dusky. 
Trochanters,  tibiie,  ;uid  tarsi  rufoua. 

Wings  subfuscous  9 M.  nevadensis,  sp.  nov. 

Wings  hyaline. 
Anterior  tibite  and  tarsi  and  middle  and  posterior  legs  fuscous ;  antenna) 

dark  fuscous  <J  M.  minltus,  sp.  nov. 

Anterior  tibise  and  tarsi  and  middle  and  posterior  legs,  brownish-yellow ; 
their  femora  more  or  less  dusky ;  antenna*  rufous  9  . 

M,    CALIFOKNICUS,    sp.  UOV. 

2.  Wings  subhyaline. 

Legs  brownish-yellow  or  pale  rufous. 
Tip  of  abdomen  not  rufous;  metathorax  with  about  7  raised  lines,  the  lateral 
abbreviated;   <?  antenna;  fuscous ;    9  antenna;  yellow. 

M.  BIFOVEOLATUS,   sp.  HOV. 

Tip  of  abdomen  rufous ;  metathorax  with  about  12  raised  lines  9  • 

M.  TEXANi's,  sp.  nov. 
Wings  not  fully  developed,  reaching  only  slightly  beyond  base  of  abdomen. 

Legs  rafou8 M.  bbachyptekus,  sp.  nov. 

Mesitius  monticola  Ashm. 
Epyrig  monticola  Ashm.     Bull.  No.  1,  Col.  Biol.  Assoc,  p.  8.     1890,  ^ . 

i  .  Length  4""".  Black,  smooth,  shining.  Head  sparsely  punctate, 
each  ocellus  surrounded  in  front  by  a  depression.  Antennie  black, 
covered  with  a  fuscous  pubescence,  13-jointed,  reaching  to  the  middle 
of  the  metathorax,  the  first  joint  the  thickest,  the  length  of  the  fourth, 
the  second  joint  the  shortest,  the  third  slightly  longer,  the  fourth  and 
following  joints  slightly  longer  than  the  third  and  about  of  an  equal 
length  or  very  nearly  so ;  terminally  the  antenna?  are  a  little  thinner  than 
at  base.  Thorax  above  with  some  rather  long,  fuscous  hairs,  trapezoidal, 
the  mesonotum  with  two  grooves,  slightly  converging  toward  each  other 
posteriorly  but  still  widely  separated.  Scutellum  flattened,  with  two 
small,  widely- separated  fovese  at  base,  each  fovea  being  exactly  opposite 


64  m'LLKTIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

the  termination  oftlie  uie.s«»not}ilf;r<K)ves.  Mesopleuia  finely,  inicroscop- 
ieally  scrulptured,  with  :i  r<)uii<le<l  impiession  or  loveu  at  the  middle. 
Metathorax  <iiiadrate,  tiuncat<^  beliind,  the  mar^fins  delieately  koeUnl 
and  a  delicate  longitiulinal  ke«'l  down  the  <*enter,  the  disk  toward  the 
base  delij'ately  lonjjitiidiiially  wrinkled;  on  earh  side,  between  the 
wrinkled  portion  and  the  lateral  marj^ins.  is  a  sm»)other  space  that 
exhibits  a  minutely  transverse  stri|j:os«' scidpture;  the  truncatnr*' is  a 
little  depressed  in  the  middh^  and  with  a  delicate  median  ke«'l.  Ke^fs 
black;  the  tibiie  and  tarsi  are  rather  densely  <'overed  with  a  brownish 
pubescence  an<l  in  consequence  appear  lirown.  Abdomen  black,  i>ol- 
ished,  the  se<'ond  sej;nient  the  longest.  Wings  hyaline,  veins  brown; 
the  second  basal  cell  is  half  the  length  of  the  basal  nervurc  longer 
than  the  first,  the  radius  very  long,  as  long  as  the  second  basal  cell. 

Habitat. — Wales  ('anyon,  Colorado. 

Tyi)e  <J  in  ('oil.  Ashmead. 

Described  from  a  single  specimen,  received  from  T.  D.  A.  Cockerell. 

Meaitius  vancouverensis  sp.  uov. 
(PI.  IV,  Fig.  5,  5.) 

9  .  Length  6.4'"™.  Black,  shining,  imi)uuctured,  except  a  few  small 
scattered  punctures  on  the  heatl  and  thorax.  Head  oval,  li  times  as 
long  as  wide.  Mandibles  and  palpi  rufous;  the  large  outer  tooth  bla<;k. 
Antennae  13-Jointed,  acuminate  at  tips,  exten«ling  to  base  of  meta- 
thorax, the  tlagellar  joints  after  the  first  all  longer  than  thick,  the  first 
about  equal  with  tin;  pedicel,  not,  or  s<'arcely,  hmger  than  thick.  Pro- 
thorax  very  long,  three  times  the  length  of  the  mesouotum,  the  latter 
with  2  parallel  furrows,  faint  anteriorly,  more  deeply  impressed  i)osteri- 
orly;  scutellum  with  2  fovese  at  base  directly  opposite  the  niesonotal 
lines;  metathorax  almost  smooth,  quadrate;  there  is  a  median  longitu- 
dinal carina  extending  to  the  apex  and  the  surface  on  each  side  is  finely 
sculptured.  Teguho  pale  rufous.  Wings  subfuscous,  the  venation 
brown;  the  stigmal  vein  is  very  long,  almost  forming  a  closed  radial 
cell;  the  transverse  medial  nervure  is  strongly  angularly  curved,  so 
that  its  apex  is  parallel  with  the  apex  of  the  basal  nervure.  Legs 
black,  the  tibiji;  and  tarsi  dark  rufous.  Abdomen  ovate,  shorter  but 
wider  than  the  thorax,  black  and  shining,  with  the  extreme  apical  edges 
of  the  segments  tinged  witli  rufous,  sparsely  pilose. 

Habitat. — Vancouver  Island.  =    > 

Type  9  in  Coll.  Ashmead.  -.■-.-.      .  r   r 

Described  from  a  single  specimen  received  from  W.  Hague  Harring- 
ton.       '  :.L:  _  ^ 

MesitiuB  nevadensls  sp.  nnv. 

9  .  Length  6""".  Very  close  to  M.  vancouverensis,  but  differs  as  fol- 
lows: The  legs,  except  the  front  coxa?  and  femora,  are  rufous,  the  mid- 
dle and  posterior  femora  rufo-piceous ;  mandibles  terminating  in  a 


MONOGKAPH  OF  THE  NOItTIl  AMEKU'AN  PKOCTOTRVriDiE.        65 

loiif?  I)lmit  t(»otli,  tlu'  surfiUMi  within  <»htu.H<%  scarcely  (leiiticiiliitc,  whilo 
tlir  lla^'elliir  joints,  after  the  lirst,  are  twice  as  lonj;  as  thick. 

IIaiutat. — Nevada. 

Type  9  in  (JoII.  Ashniead. 

Described  from  a  sinnh'  specimen. 

MesitiuB  minutUB,  Hp.  nov. 

S  .  Length,  2.2""".  Hhick,  shining,  the  surface  minutely  coriaceons, 
very  finely  sparsely  pubescent.  Head  a  little  longer  than  broad  across 
tlie  eyes.  Mandibles  rufous,  not  broadened  at  tips,  the  outer  tooth 
acut<\  followed  by  about  4  very  minnte  denticulations.  Antenna?  13- 
jointed,  long,  brown;  scape  stout,  not  more  than  twice  as  long  as  thick 
and  very  little  longer  than  the  first  funiclar  joint;  pedicel  and  first 
funiclar  joint  about  equal;  the  remaining  joints  longer,  fully  thrice  as 
long  as  thick.  Prothorax  twice  as  long  as  the  mesonotum,  rounded 
anteriorly;  mesonotum  with  2  furrows  more  deeply  imi>ressed  iM)ster- 
iorly;  scutellum  with  two  oblique  fovete  opposite  the  mesonotal  fur- 
rows; metathorax  sub(|uadrate,  the  posterior  angles  a  little  rounded, 
minutely  coriaceous,  with  a  median  longitudinal  carina  and  some  very 
sh(n  t  raised  lines  at  base.  Teguhe  brownish-yellow.  Wings  hyaline, 
the  venation  yellowish  or  pale;  the  trausvetse  medial  nervure  curved 
outwardly.  Legs  rufous,  coxie  and  anterior  femora  bhick,  the  middle 
and  posterior  femora  fuscous.  Abdomen  polished  black,  shorter  than 
the  thorax,  the  third  segment  one-third  longer  than  the  fourth. 

Habitat. — Arlington,  Va. 

Type  6  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Mealtius  californicus,  dp.  nov. 

9 .  Length,  3.1  '"•".  Polished  black,  the  head  alutaceous.  Head 
oblong,  1^  times  as  long  as  broad,  the  eyes  whitish.  Mandibles  brown- 
ish-yellow, truncate  but  not  broadened  at  apex,  the  outer  tooth  su^ute, 
followed  by  about  4  minute  teeth.  Antennje  13-jointcd,  extending  to  the 
tegnlie ;  scape  stout,  piceous,  as  long  as  the  three  following  joints  united, 
a  little  curved  and  narrowed  at  base ;  fiagellum  brown,  tapering  towards 
tip;  pedicel  and  first  flagellar  joint  about  eipial,  the  following  joints 
li  times  as  long  as  thick,  the  last  longer.  Prothorax  fully  thrice  as 
long  as  the  metanotum,  rounded  before;  mesonotum  with  2  nearly 
parallel  furrows  and  a  delicate  short  line  on  the  scapula; ;  scutellum 
with  2  oblique  fovesti  at  base;  metathorax  about  li  times  as  long  as 
wide,  minutely  sculptured  with  a  median  carina  and  some  faint,  short, 
irregular  raised  lines  at  base.  Wings  hyaline,  very  faintly  tinged,  the 
iiervures  brown,  the  venation  as  in  couveremiH.  Legs  rufous,  coxse 
and  anterior  femora  black,  middle  and  posterior  femora  more  or  less 
piceous.    Abdomen  oblong  ovate,  nearly  as  long  as  the  thorax,  black, 

21899— No.  45 5 


6S  BULLETIN    45,  UNITED    STATES    NATIONAL    MUSEUM. 

sparsely  pilose,  especially  iit  tip;  the  extreme  apical  margins  of  seg- 
ments very  slightly  rufous. 

Habitat. — California. 

Types  9  in  Coll.  Ashmead  and  National  Museum. 

Described  from  several  specimens. 

Mesitius  bifoveolatus,  sp.  nov. 

9  .  Length,  5.5"'"'.  Polished  black,  impunctured,  the  surface  micro- 
scopically alutaceous;  antenna?,  mandibles,  and  legs  entirely  rufous. 
Head  about  one  and  a  half  times  as  long  as  wide.  The  outer  tooth  of 
mandibles  large,  acute.  Antennje  13-jointed,  reaching  to  the  teguhe, 
twisted;  the  scape  swollen,  as  long  as  the  4  following  joints;  i)edicel 
longer  but  slightly  narrower  than  the  first  Uagellar  joint;  the  llagellar 
joints  very  slightly  but  gradually  increasing  in  length,  the  first  wider 
than  loiig,  the  last  very  slightly  more  than  twice  as  long  as  thick. 
Prothorax  three  and  a  half  times  as  long  as  the  mesonotum,  rounded 
before,  the  superior  edge  of  collar  rufous;  mesonotum  with  2  distinct 
furrows  on  a  delicate  line  (ni  the  scapula;;  scutellum  with  2  obli«jue 
foveie  at  base;  metathorax  quadrate,  with  numerous  raised  lineations 
at  the  middle  and  base,  almost  smooth  towards  the  lateral  margins,  the 
truncate  sides  and  apex  microscopically  striated.  Teguhe  yellow. 
Wings  subhyaline,  the  venation  yellow  and  as  in  vancourereima.  Ab- 
domen pointed  ovate,  mu(!h  shorter  than  the  thorax,  ])olished  black, 
pilose  towards  apex  and  with  the  extreme  edges  of  apical  margins  of 
the  last  three  or  four  segments  rufous. 

The  S  is  from  3.5  to  4"""  long  and  is  recognized  at  once  by  the  long 
fuscous  antenme,  as  long,  or  nearly  as  long,  as  the  body,  the  first  flagellar 
joint  being  half  again  as  long  as  the  pedicel,  the  joints  beyond  fully 
four  times  as  long  as  thick,  the  last  5  or  0  times  as  long  as  thick,  and 
by  the  more  fuscous  wings;  otherwise  it  is  quite  similar. 

Habitat. — Georgia,  Florida,  Canada. 

Types  in  National  Museum  and  Coll.  AvsLmead. 

Described  from  several  specimens. 

Mesitius  brachypterus,  sp.  hot. 

9  .  Length,  3.6'""'.  Polished  black,  with  only  a  few  scattered  punc- 
tures on  the  head  and  prothorax.  Head  oblong,  one-fourth  longer  than 
wide.  Antennie  13  jointed,  pale  ferruginous,  about  twice  as  long  as 
the  bead;  scape  as  long  as  the  first  three  joints  of  the  flagellum  united; 
pedicel  a  little  longer  than  Avide;  first  flagellar  joint  not  longer  tliau 
wide  and  narrower  than  the  foUowing  j(»ints,  which  are  slightly  longer 
than  thick.  Prothorax  long,  as  long  as  the  head;  mesonotum  very 
short,  scarcely  as  long  as  the  scutellum,  Avith  2  delicate  furrows  con- 
veiging  posteriorly  and  terminating  in  a  rounded  puncture  before  at- 
taining the  posterior  margin;  scutellum  with  2  oblique  fovejc  at  base; 
metathorax  quadrate,  finely  shagreened  at  base,  with  a  faint  median 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.        67 

loiijjitudinal  cariua.  Wings  not  fully  developed,  reaching  only  to  the 
tip  of  the  first  abdominal  segment.  Legs  rufous,  the  anterior  femora 
above  slightly  fuscous.  Abdomen  i)ointed  ovate,  black,  shining,  sparsely 
pilose,  tlie  apical  margins  of  the  segments  tinged  with  rufous. 

Habitat. — Carolina. 

Type  9  in  Berlin  Museum. 

Described  from  a  single  specimen,  labeled  '  ( 'arolina,  Zimmermann." 

Mesitius  texanus,  sj).  nov. 

9.  Length  3.2""".  Apterous;  black,  shining;  head  oblong,  feebly 
sparsely  punctate;  thorax  coriaceous;  antenna*,  UKiudibles,  and  legs 
brownish -yellow;  metathorax  with  a  single  central  longitudinal  carina, 
and  three  or  four  very  short  raised  lines  on  either  side  at  base.  Abdo- 
men ovate,  as  long  as  the  thorax  and  much  wider,  polished  black,  the 
apical  margin  of  the  third  and  following  segments  narrowly  testaceous. 
The  pedicel  and  the  first  fiagellar  joint  are  about  equal,  smaller  than 
the  following,  the  following  joints  being  a  little  longer  than  thick. 

Habitat.— Texas. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  distingushed  by  the  absence  of 
wings. 

ANOXCrS  Thonmon. 

Ofvers.  af  K.  Vtt.— Akad.,  1861,  p.  452. 

(Typo  A.  loops  ThoniH.) 

Head  oblong;  the  ocelli  3,  in  a  triangle  on  a  slight  prominence,  in 
9  subobsolete ;  eyes  in  S  oblong,  in  9  more  rounded,  slightly  hairy. 

Antenme  12  jointed,  filiform,  submoniliform  in  both  sexes,  in  the 
$  l>il()se. 

Maxillary  palpi  short,  4-jointed;  labial  pal|)i  3-jointed. 

IVIandibles  short,  tridentate  at  apex,  the  outer  tooth  acute. 

Thorax  smooth,  without  furrows,  the  i>roth<uax  in  9  mudi  elongated, 
in  $  short,  rounded  anteriorly;  mesonotum  very  short;  scutellum  bifov- 
eated  at  base;  metathorax  subquadrate,  truncate  posteriorly. 

Front  wings  with  two  basal  cells  of  nearly  an  eipial  lengtli,  and  a 
long  radial  or  stigmal  vein;  the  stigma  is  minuti',  quadrate,  smaller 
than  the  parastigma. 

Abdomen  ovate  subpetiolate,  the  third  segment  the  longest. 

Legs  as  iu  Bethylus. 

A  genus  allied  to  Epyrh  and  Mesitius,  but  readily  distinguished  by 
the  12  jointed  antenme,  niesonotal,  mandibular  and  palpal  characters. 
The  venation  also  suflBciently  separates  it  from  Bethylus  and  Cephalo- 
nomia. 

Two  8i>ecie8  have  been  discovered  as  follows; 


nS  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Anoxus  Chitteudenii,  sp.  nov. 
(PL  IV,  Fig.  6,,?.) 

S  .  Length,  1.5""".  Black,  shiniug,  impunctured,  except  the  pleura 
and  metathorax.  The  head  is  very  slightly  longer  than  wide,  with  a 
prominent  clypeal  carina.  Mandibles  short,  black  or  i)iceous,  the  outer 
tooth  conic  acute.  Eyes  oval,  slightly  hairy,  Antennje  12-jointed, 
piceous,  extending  beyond  the  base  of  the  metathorax,  sparsely  covered 
with  white  hairs;  the  scape  is  about  the  length  of  the  eye  or  twice 
as  long  as  the  pedicel ;  the  first  flagellar  joint  is  slightly  smaller  than 
the  second;  remaining  joints  very  slightly  larger,  the  last  the  longest, 
fusiform.  Prothorax  as  long  as  the  niesonotum  and  scutellum  together, 
rounded  before;  niesonotum  broader  tlian  long  with  a  slight  impressed 
scapular  line  near  the  teguLe;  scutellum  small,  rounded  posteriorly, 
with  an  impressed  line  at  base;  mesopleura  with  a  small  round  fovea 
on  the  disk ;  metathorax  quadrate,  truncate  behind  and  a  little  con- 
tracted at  sides  towards  the  insertion  of  hind  wings,  the  angles  slightly 
rounded,  the  dorsum  closely  punctulate.  Wings  hyaline,  fringed,  the 
venation  pale,  the  anal  nervure  in  consequence  almost  obliterated. 
Legs  piceous  black,  the  tarsi  white.  Abdomen  shorter  than  the  thorax, 
depressed,  black,  smooth,  and  shining. 

Habitat. — Ithaca,  New  York.      , 

Types  in  National  Iluseum  and  Ooll.  Ashmead. 

Described  from  3  specimens,  received  from  ]Mr.  F.  II.  Chittcn<len, 
antl  in  honor  of  Avhom  the  sjiecies  is  named.  Mr.  Chittenden  informs 
me  he  reared  them  from  a  coleopteron,  Vin  sp. 

Anozus  laevis,  sp.  nov. 

9 .  Length,  2.2"'"'.  Polished  black,  impunctured.  Head  a  little 
longer  than  wide;  ocelli  subobsolete,  partially  hidden;  eyes  large,  ob- 
long-oval, with  a  wide  space  betwi'en  them  and  the  mandibles,  the 
cheeks  separated  from  the  Itu^e  by  a  grooved  line.  Antennse  12-jointed, 
twice  the  length  of  the  head,  i>iceous;  scape  davate,  about  one  third 
the  length  of  the  head,  pedicel  larger  than  the  first  flagellar  joint;  re- 
maining joints,  except  the  last,  submoniliform,  the  last  twice  as  long- 
as  the  penultimati'.  Prothorax  long,  narrowed  in  front,  about  four 
times  as  long  as  the  niesonotum;  scutellum  with  2  obli«iue  fovese 
at  base;  metathorax  much  longer  than  wide,  with  a  median  carina, 
towards  the  base  minutely  shagreeued.  Wings  hyaline,  ciliated,  the 
venation  yellowish;  the  radial  vein  is  very  long,  nearly  one-half  longer 
than  the  first  basal  cell.  Legs  picecuis  black,  the  trochanters,  a  dot  at 
base  of  tibiie  and  tarsi,  rufous.  Abdomen  iiointed-ovate,  highly  pol- 
ishetl  black,  a  little  shorter  than  the  thorax,  the  third  segment  the 
longest.  "  -r---- 

"Babitat. — Washington,  D.  C.  ^ 

Type  5  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  on  a  window  pane. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PRGCTOTRYPIDiE.        69 

Anoxus  musculuB  Sny. 

Bethyhtx  vihscuIhk  Say,  Host.   Jour.,  i,  280;  Lee.  ]':<l.  Say,  ii,    ]».  7i'«;   Cress.  Syn. 

llyiii.,  1).  247. 

Black ;  antenna^  and  feet  yellowish ;  abdomen  depre.ssed. 

Inhabits  Indiana. 

Body  somewhat  polished,  impunotured,  black;  antennai  dusky,  honey-yellow 
towards  the  base;  mandibh's  honey-yellow;  thorax  with  the  anterior  segment  not 
much  elongated;  dorsal  impi-essed  lines  very  obvious;  wings  hyaline;  radial  ner- 
vure  extended,  eiiually  distinctly  near  to  the  tip  of  the  wing;  discoidal  cellnle  none; 
inetathorax  minutely  and  distinctly  punctured  or  granulated  above,  and  minutely 
liueated  each  side;  abdomen  dei)ressod,  p<dished,  piceous  black,  distinctly  petio- 
lated;  feet  houcy-yenow;  thighs  a  little  dusky  in  the  middle;  length  over  one- 
twentieth  of  an  inch.     (Say.) 

Unknown  to  me.  The  lonj?  radial  nervurc  will  exclnde  the  species 
from  BethyhiH  as  now  restricted,  and  it  is  placed  here  temporarily  or 
until  it  is  re<liscovered  and  its  true  position  ascertained. 

PBRISEMUS  Ffirstcr. 

Hym.  Stud.,  ii,  p.  J).->,  18.^6. 
EphemiiK  Thoms.  Ofv.,  ISfil,  p.  452 

(Type  7'.  triarcolatun  Fiirst.) 

Head  lare,e,  oblong,  much  wider  than  the  thorax;  eyes  prominent, 
smooth;  ocelli  small,  but  distinct. 

Anteuua3  12  jointed,  subsetaceous,  somewhat  distant  at  base,  sepa- 
rated by  a  frontal  lamina. 

Maxillary  palpi  0-jointed;  labial  palpi  4. jointed. 

Mandibles  4-  or  T)  dentate. 

Thorax  elongate,  the  prothorax  rounded  anteriorly;  mesonotum 
short,  smooth,  without  furrows;  metathorax  subquadrate,  oblicpiely 
rounded  oft"  i)osteriorly. 

Front  wings  with  a  subqu.adrate  stigma,  a  parastigma  (rarely  want- 
ing), an  incomplete  radial  cell,  and  two  basal  cells,  the  first  of  which 
is  longer  than  the  secon<l;  the  basal  vein  with  a  branch  or  spurious 
vein  directed  backwards,  or  at  least  broken  by  a  stump  of  a  vein. 
Apterous  forms  rare. 

Abdomen  ovate,  subsessile,  the  apical  margins  of  some  of  the  seg- 
ments sinuate  or  emarginate. 

Legs  short,  stout,  the  femora  much  swollen,  the  tarsi  slender,  the  basal 
joint  of  hind  tarsi  t\vi(;e  as  long  as  the  secoiul,  claws  simple. 

This  genus  could  only  be  confuse*!  with  (foniozus,  with  which  it 
agrees,  except  in  having  12-jointed  auteun.'e,  and  in  having  a  slightly 
narrower  head.        -  —  -. -__         

The  species  known  to  me  may  be  separated  by  the  aid  of  the  follow- 
ing table; 


70  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

TABLE   OF   SPECIES. 

KEMALKS. 

Wingless 3 

VVinjjod. 

.Stijjma  and  panistigma  both  pn^ent 2 

PiirastifjMia  entirely  wantinjf. 

Black ;  trochanters,  tibial,  and  tarsi  pale  brown . . .  i'.  ohkgonknsis,  sp.  nov. 

2.  Coxa'  black. 

Middle  and  posterior  loj^s  fuscous,    the   tarsi    yellow;    anterior  coxic   alone 

black P.  FORMicoiDEs,  Prov. 

All  eoxa^  and  femora  black,  tibiic  and  tarsi  honey-yellow;  mandibles  palo 

P.  FLOKiDANrs,  Ashni. 

Legs  l)rown ;  anterior  tibiae  and  tarsi  honey -yellow ;  mandibles  black 

P.  MINIMUS,  sp.  uov. 
Coxa"  yellow. 

LejXs  entirely  reddish  or  honey-yellow P.  MELI.IPKS,  Ashni. 

3.  Trochanters,  tibia",  and  tarsi  lioney-yellow;  rest  of  the  legs  black 

P.  rROLONOATlS,  Prov. 

Perisemus  oregonensis,  sp.  nov. 

9  .  Length,  5"'"'.  Black,  shining;  the  liead  and  thorax  closely, 
microscopically  jmnctate,  the  former  with  some  larger  scattered  thim- 
ble-like pnnctures;  metathorax  subopaque,  without  carina^,  finely  punc- 
tate; legs  black;  all  trochanters,  tibiie,  and  tarsi  pale  brown,  the 
middle  tibiaj  with  only  one  spur.  Head  large,  almost  twice  as  wide  as 
the  thorax  across  the  eyes,  and  a  long,  prominent,  frontal  carina.  An- 
teume  12-jointed,  one-fourth  h>nger  than  the  head,  honey  yellow,  taper- 
ing towards  tips;  the  first  fiagellar  joint  is  about  as  long  as  tlie  pedi 
eel,  which  is  a  little  more  than  twice  as  long  as  thick;  remaining  joints 
to  the  last  gradually  subequal,  the  last  longer  than  the  penultimate. 
Wings  hyaline,  with  a  slight  fuscous  tinge  at  the  middle,  the  veins 
brown;  stigma  small,  quadrate,  black;  parastigma  wanting;  the  sub- 
median  cell  is  one  third  shorter  than  tlie  median ;  the  basal  vein  broken 
by  a  stump  of  a  vein  beyond  the  middle;  stigmal  vein  very  long,  ab- 
ruptly curved  upwards  at  tip  and  almost  forming  a  complete  marginal 
cell.  Abdomen  ovate,  not  quite  as  long  as  tlie  head  an«l  thorax  to- 
gether, bhw'k  and  shining,  the  second,  third,  fourth,  and  fifth  segments 
emarginate  at  the  middle. 

Habitat.— Portland,  Oregon. 

Described  from  a  single  specimen  obtained  from  H.  F.  Wickham. 

This  is  the  only  .species  known  to  m«;  in  this  genus  without  a  para- 
stigma, and  this  character,  in  connection  with  the  single  tibial  spur  on 
the  middle  legs,  may  be  sufficient  to  found  a  new  genus. 

Perisemus  formicoides  Prov. 

liethylus  f<rrmicoi(lei>  Prov.,  Add.  et  Corr.,  p.  179;  Cress.  Syn.  Hym.,  p.  247. 
9.     Length,  2.0  to  3""".     Black,  polished;  h'gs  and  antennae  honey- 
yellow,  the  latter  brownish  toward  tips;  the  anterior  and  posterior 


MONOGRAPH  OF  TflE  NORTH  AMERICAN  PROCTOTRYPID^.        7l 

femora  bhukisli  tow.ard  base.  Piotliorax  very  lonjf,  fattened,  nar- 
rowed before,  shiiiiuf;,  Avith  a  fine  and  somewhat  dense  jiunctnation; 
mesonotnm  short;  metathorax  elonjy.ato,  tlie  sides  polished,  the  disk 
punctured. 

Wiiifjs  liyaline,  the  parastigma  and  stigma  brown. 

Abdcmien  elongate  <»val,  polished,  black,  the  apex  with  si)arse  hairs. 

Habitat. — Ottawa,  Canjula. 

Type  in  Coll.  Provancher. 

PerisemuB  floridanus  Aslini. 

(PI.  IV,  Fi-  7,9.) 

Ent.  Am.,  in,  p.  7<>.     ^  9  ;  Oess.  Syn.  Ilym.,  p.  247. 

S  9.  Length,  2.5  to  3""".  Black,  shining,  finely,  closely  punctulate, 
the  head  with  some  scattered,  thimble-like  punctures.  Head  a  little 
longer  than  wide,  the  frontal  carina  not  extending  behind  the  insertion 
of  antennae.  Mandibles  and  palpi  honey-yellow.  Antennte  12-jointed, 
Inmey-yellow,  the  two  or  three  apical  joints  dusky;  the  scape  is  thick, 
less  than  thrice  as  long  as  thick:  flagellar  joints  submoniliform, 
scarcely  longer  than  thick,  the  last  twice  .as  long  as  thick.  Prothorax 
trapezoidal,  longer  than  wide  across  the  base;  mesonotum  about  as 
long  as  the  scutellum,  the  latter  with  a  faint  impressed  line  across  the 
base;  metathorax  quadrate,  smooth,  with  a  faint  trace  of  a  median 
longitudinal  carina.  Wings  hyaline,  the  costa,  stigma,  and  parastigma 
dark  broAvn,  the  other  veins  honey  yellow;  the  backward-directe«l 
branch  of  the  basal  vein  is  not  as  long  as  the  first  branch  of  the  basal. 
Legs,  except  coxa'  and  femora,  honey-yellow.  . 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Perisemus  minimus,  Hp.  nov. 

5  .  Length,  1.8  to  2'"'".  Bla<^k,  shining;  legs  brown ;  anterior  tibije 
and  all  tarsi  honey-yellow;  mandibles  black;  antenuic  honej'-yellow, 
the  scape  thick,  2i  times  as  hmg  as  thick;  i>edicel  longer  than  the 
second  flagellar  joint,  first  flagellar  joint  minute;  flagellar  joints,  after 
the  second,  not  longer  than  thick;  wings  hyaline,  the  venatioji  i)ale 
hyaline,  the  stigma  and  i>arastigma  brown.  Abdomen  jiointed-ovate, 
not  longer  than  the  head  and  thorax  together,  polished  black. 

Habitat. — Arlington,  Ya. 

Type  in  Coll.  Ashmead. 

The  small  size,  shining  surface,  black  mandibles,  and  color  of  the 
legs  sufficiently  distinguish  the  species.  The  head  is  more  like  that  iu 
Epyris,  being  longer  and  more  narrowed  than  is  usual  in  this  genus. 


-^       ; i — -^ _.  i     Perisemus  mellipes  Aslini. 

Ent.  Am.,  Ill,  p.  7fi,  9  ;  ('ress.  Syn.  Ilym.,  p.  247. 

9.    Length,  3.2"'"'.     Black;  the  head  opaque,  finely,  densely  punc- 
tulate;  thorax  smooth,  shining,  microscopically  punctidate;  legs  eu- 


72  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM. 

tirely  honey-yellow.  The  head  is  slijjhtly  lou<^er  tluiii  wide  and  wi<ler 
than  the  thorax,  with  a  frontal  carina. 

Aiitennai  12  jointed,  honey-yellow;  the  scape  less  than  thrice  aslonp; 
as  thick;  the  joints  of  the  tlajj^ellum  subnioniliforni,  scarcely  lonjjer 
than  thick.  Thorax  as  iu  .^or<V/^(7*««,  the  nictathorax  smooth  with  a 
ridfje  in  the  middle  at  base.  VVinj^s  hyaline,  the  parastif^ma  and  stigma 
black,  the  other  veins  pale  yellow;  the  secon<l  basal  cell  is  much  shorter 
than  the  tirst ;  the  backward  directed  branch  of  the  basal  vein  is  curved, 
but  not  as  Ion*;  as  the  first  briinch  of  the  basal. 

Haihtat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashniead. 

Perisemus  prolongus  Piov. 

Ik'tliyhis  prolongtis  Prov.,  Can.  Nat.,  xii,  \t.  20."),  9  ;  Ashni.  Ent.  Am.,  iii,  p.  97; 
Cress.  Syii.  Hym.,  p.  218. 

9.  Length,  4.2""".  lilack,  shining;  the  head  very  huge,  much 
broader  than  the  tliorax,  about  twice  as  long  as  wide  at  base  and  a 
little  broader  in  front  than  behind,  densely,  minutely  punctulate,  with 
some  feeble  thind>lc-like  punctures,  ^randibles  black.  Palpi  pale. 
Antennae  12-jointed,  honey-yellow;  the  scape  stout,  more  than  thrice 
as  long  as  thick;  the  flagellnm  nuich  thinner,  tapering  towards  tip; 
pedicel  as  long  as  the  .^rst  flagellar  Joint;  the  second  and  third  a  little 
stouter  than  the  tirst  and  of  an  equal  length;  the  following  a  Ijttle 
shorter,  all  longer  than  thick.  Prothorax  subquadrate;  mesonotum 
very  short;  scutellum  witli  a  short,  taint  tran.sverse  line  at  base;  meta- 
thorax  longer,  obliquely  rounded  off"  posteriorly,  shining,  at  base  finely 
rugose.  Wings  aborted,  not  extending  to  tip  of  the  metjithorax.  Legs 
black,  trochanters,  tibia',  and  tarsi  honey-yeHow.  Abdomen  pointed 
ovate,  much  wider  than  the  thorax,  highly  polished,  black,  segments 
2,  3,  and  4  emargiuate  at  apex. 

Habitat. — Ottawa,  Canada,  and  Lafayette,  Indiana. 

Type  2  in  Coll.  Ashmead. 

Described  from  the  type  specimen,  kindly  given  me  by  Mr.  Harring- 
ton. In  the  National  Museum  is  a  specimen,  retired  August  2.S,  1S88, 
by  Mr.  F.  M.  Webster,  from  Crambtis  caliginosellKs. 

GONIOZUS  Forster. 
Hym.  Stud.,  ii,  p.  96  (18r>6) ;  I'arasieiola  Cam.,  Trans.  Ent.  Soo.  Lond.,  1883,  p.  197. 

(Type  G.clariperiniHV'nTBt.) 

Head  much  as  in  rerisemns;  in  S  much  broader  than  the  thorax, 
with  a  prominent  clypeal  carina;  in  5  longer  and  less  broad. 

Antennai  l.'i  jointed,  subsetaceous,  not  inserted  so  far  ai)art  as  in 
Perisemusy  the  scape  swollen,  twice  as  long  as  thick,  the  first  flagellar 
joint  minute,  smaller  than  the  pedicel,  the  following  joints  moniliform, 
except  in  the  males,  rarely  much  l<»ngcr  than  thick. 

Maxillary  palpi  G-jointed;  labial  palpi  4-jointed. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTROPID^.        73 

Mandibles  oblouj;,  truncati'  at  tips,  with  4  to  a  miuute  t«etb. 

Ihorax  as  in  Pcriscmus. 

Front  wings  as  in  Perisemus,  except  tbat  sometimes  the  backward- 
directed  branch  of  the  basal  nervnre  is  often  bent  backwards  and 
joins  the  basal  iiervure  near  its  origin,  forming  a  small  triangular 
closed  discoidal  cell  (=  FaroHicrola  Cameron). 

Abd(mien  in  9  pointed  ovate  or  long  conical,  in  $  ojdong-oval  and 
more  depressed. 

Legs  stout,  the  femora  very  nuich  swollen. 

Distinguished  from  Periscmns  by  having  13,  not  12  jointed  antenufe. 
Parasierola  Cameron  is  apparently  only  a  section  of  this  genus,  having 
the  backward  directed  branch  of  the  basal  norvure  a  little  more  elongated 
and  forming  a  distinct  cellule;  otherwise  it  is  identical,  and  is  here 
conjoined  to  Goniozus. 

TABLE   OF   SPECIES. 

FEMALKS. 

Species  with  aBiiiall  triangular  rtiacoidal  cell. 

Coxa^  and  femora  black;  anterior  tibia'  and  all  tarsi  yellow... G.cellularis  Say. 
Species  without  a  closed  discoidal  cell. 

Head  unusually  large 2 

Head  normal. 
Backward-directed  branch  of  the  basal  ner^1lre  as  long  as  the  first  branch 
of  the  basal  nervnre;  legs  black. 
Anterior  tiltiie  and  all  tarsi  yellowish. 

Wings  Rul)hyaline G.  foveolatcs  Ashm. 

All  tibia'  and  tarsi  yellowisli ;    9  with  middle  and  hind  tibia'  dusky. 

Wings  clear  hyaline G.  platvnot.k,  sp.  nov. 

Backward-directed  branch  of  the  basal  nervnre  only  one-third  the  length  of 
the  first  branch  of  the  basal  nervnre. 
Abdomen  very  long  and  cylindrical,  pointed  at  tip,  much  longer  than  the 
head  and  thorax  united. 

Wintrs  subfiiscous G.  politcs,  sp.  nov. 

Abdomen  very  little  longer  than  the  thora--:,  ovate. 

Legs  Itrown,  the  tarsi  jiale G.  COLrMBiANCs,  sp.  nov. 

Abdomen  not  longer  than  the  head  and  thorax  united. 

All  legs,  including  coxa-,  yellow G.  Hiuhakdii  How. 

2.   Legs  piceous.  tips  of  tibi;e  and  tarsi  pale. 

Wings  hyaline G.  megacephalus,  sp.  nov. 

MALES.  * 

Wings  without  a  discoidal  cellule. 

F^egs  honey-yellow;  wings  hyaline G. Hubbardii  How. 

Legs  brownish  or  piceous,  the  coxse  black. 
Wings  fuscous  or  subfuscous. 
Anterior  tibiae,  trochanters  and  all  tarsi  brownish-yellow. 

G.  FOVEOLATiTg  Ashm. 

All  tibiip  and  tarsi  honey-yellow G.  columbiancs 

Wings  hyaline. 

All  tibiiP  and  tarsi  brownish-yellow G.  platynot.k 

Wings  with  .a  tliscoidal  cellule. 

Legs  piceous,  the  tibia  .and  tarsi  pale G.  ceixularis  Say. 


74  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

GoniozuB  cellulariB  Say. 

Bt'thyliis  cellularis  Say,  Lcc.  Ed.  Say,  ii,  p.  276;  Ashm.  Ent.  Am.,  iii,  p.  97;  Cress. 
Syii.  Hym.,  p.  247. 

S  9  .  Length,  2.2  to  3'""'.  Black,  shining,  the  head  with  some  fine, 
scattered  punctures.  Antenna'  varying  ft  v.m  a  lioney-yellow  to  fuscous. 
Legs  piceous,  tlie  tibia;  and  tarsi  often  honey- yellow,  especially  the  an 
terior  pair;  feftiora  often  black.  In  the  male  the  wings  are  clear  hya- 
line, in  the  female  fuscohyaline;  the  parastigma  h row  nor  black;  the 
branch  from  the  basal  nervure  curves  backwa'ds  and  Joins  the  median 
nervure  near  the  tip,  forming  a  complete  cell  which  readily  distin- 
guishes the  species. 

Habitat. — United  States. 

Specimens  in  National  Museum  and  Coll.  Ashmead. 

Found  in  various  parts  of  the  United  States.  A  single  specimen  is 
in  the  National  Museum  reared  by  Prof.  F.  M.  Webster,  September  17, 
1884,  from  a  geometrid  larva  in  wheat  stubble;  while  my  collection 
contains  a  specimen,  reared  June  5,  1885,  from  wheat  stalks  infested 
with  Isoftoma  tritici. 

The  species  is,  without  doubt,  parasitic  on  various  microlepidoptera. 

Groniozus  megacephalus,  sp.  iiov. 

$  .  Length,  2.8'"'".  Black,  shining,  with  a  line,  microscopic  punc- 
tuation and  a  few  larger  punctures  scattered  over  the  surface.  The 
head  is  large  and  long,  a  little  more  than  one  and  a  half  times  as  long 
as  wide.  Mandibles  large,  black.  Antenuji;  13-Jointed,  inserted  wide 
apart,  and  not  nmch  longer  than  the  head,  moniliform,  yellow;  the 
scapo"  swollen,  twice  as  long  as  wide.  Metathorax  smooth  without 
cfiriiKne.  Wings  hyaline,  the  parastigma  and  stigma  piceous.  The 
other  veins  yellowish;  the  branch  of  the  basal  vein  is  reduced  to  a 
nu're  stump. 

Legs  brownish  piceous,  the  tips  of  tibia;  and  the  tarsi  yellow. 

Habitat. — Key  West,  Fla. 

Types  in  National  Museum. 

Described  from  a  single  9  taken  by  E.  A.  Schwarz. 

Goniozus  foveolatus  Ashm. 
Ent.  Am.,  iii,  p.  76,  9  ;  Cress.  Syn.  Hym.,  p.  247. 

9  .  Length,  2.5  to  3""".  Black,  shining,  but  finely,  delicately  i)unc- 
tate,  the  head  with  a  few  coarse,  scattered  punctures;  transverse  furrow 
at  base  of  scutellum  terminates  in  small,  oblique  fovese. 

Antenna'  13-joiuted,  honey-yellow,  the  scape  short,  thick,  the  follow- 
ing joints  all  small,  moniliform.  Legs  black  or  piceous ;  anterior  tibisB 
and  tarsi  and  the  middle  and  posterior  tarsi,  honey-yellow.  Wings 
subhyaline;  stigma  and  parastigma  black,  the  other  nervures  lioney- 
yellow  ;  the  basiU  nervure  is  broken  by  a  stump  of  a  vein  which  is  less 


MONOGHAPH  OF  THE  NOKTH  AMERICAN  PROCTOTRYPID^.        75 

tliau  half  the  length  of  the  first  branch  of  the  basal  nervure.  Abdo- 
men cyliudrui-ovate,  a  little  lonf-er  than  the  head  and  thorax  nnited. 

In  the  S  the  middle  and  posterior  tibiie  are  pale  brown,  the  abdo- 
men being  shorter  than  the  head  and  thorax  united. 

Habitat. — Florida  and  District  of  Colund)ia. 

Types  in  National  Museum  and  Coll.  Ashmead. 

The  species  is  closely  allied  to  (r.  platyiioUv,  but  its  slightly  smaller 
and  more  slender  form,  the  subhyaline  wings,  au«l  the  black  stigma 
an«l  parastigma,  readily  distinguish  it. 

The  National  Museum  contains  a  specimen,  reared  April  14,  1882,  at 
Georgiaua,  Fla.,  from  a  tineid  larva  in  dry  fungus. 

Ooniozus  platynotae,  sp.  nov. 

(PI. IV,  Fig. 8, 9.) 

i  9 .  Length,  3""".  Black,  shining,  very  sparsely  pilose;  head  with 
a  prominent  keel  between  the  antennse,  microscc^pically  closely  punctu- 
late,  with  a  few  larger  punctures  scattered  irregularly  over  tlie  surface, 
subopaque.  MaTulibles,  antenna',  and  legs  pale  honey-yellow ;  the  ante- 
rior femora  vary  from  a  dark  brown  to  black,  the  middle  and  posterior 
femora  in  $  brownish  only  in  the  middle;  in  the  female  the  mandibles 
are  black,  and  all  the  femora  are  black  or  brownish-piceous,  their  tibite 
brownish. 

Antennae  13  Jointed,  extending  to  the  teguLe  (in  9  a  little  shorter), 
moniliform;  pedicel  small,  rounded,  much  smaller  than  the  first  flagel- 
hir  j«)int;  all  the  flagellar  joints  but  the  last  moniliform,  the  last  oval. 
Metathorax  smooth,  with  a  delicate  niediau  carina,  and  carinated  along 
the  lateral  margins. 

Wings  hyaline,  the  parastigma  and  stigma  large,  brown,  the  latter 
twice  as  long  as  wide,  rest  of  the  nervures  pale  yellow;  the  first  basal 
cell  is  longer  than  the  second,  the  basal  vein  broken  by  a  backward 
directs  branch. 

Abdomen  as  long  as  the  head  and  thorax  united,  ])oli8hed  black,  the 
sutures  i)iceous. 

Habitat. — Virginia,  Maryland,  District  of  Columbia,  and  Florida. 

Types  in  National  Museum  and  Coll.  Ashmead. 

The  species  is  not  rare.  Dr.  Kiley  reared  a  single  male  July  30, 188(5, 
from  Platynota  sentana. 

Groniozus  politus,  sp.  nov. 

9 .  Length,  2.4"'"'.  Black,  highly  polished,  impunctured.  Head 
not  wider  than  the  thorax,  nearly  twice  as  long  as  wide,  smooth,  im- 
punctured.  .-^~^:.-.,^::..^:.^^.-J..-:-— :^::.^ --,-'.:-, .^^^:^... 

Antennje  13-jointed,  short,  scarcely  longer  than  the  head,  moniliform, 
brownish-yellow,  <lusky  or  black  at  apex;  scape  short,  stout,  about 
twice  as  long  as  thick;  ])edicel  as  long  as  the  last  joint;  first  flagellar 
joint  very  minute,  half  the  length  of  the  pedicel,  the  following  joints 
rounded. 


76  mJLLETIN   45,  ITMTED   STATES   NATIONAL   MUSEUM. 

Prothoriix  very  long,  roiiiult'd  before;  mesonotuni  very  short,  not 
longer  than  the  scutellum;  metathoiax  subquadrate,  longer  than  wide, 
truncate  behind,  the  angles  a  little  rounded,  smooth;  mesopleura  pol- 
ished with  a  small  round  fovea  at  the  niid«Ue. 

Wings  fusf'o-hyaline,  the  venation  brown,  the  parastigma  and  stigma 
bljR'k,  the  latter  (juadrate,  but  slightly  longer  than  wide,  the  stigmal 
vein  h)ng,  scarcely  curved;  the  second  basal  cell  is  much  shorter  than 
the  tirst,  the  basal  vein  broken  only  by  a  short  stump  of  a  vein. 

Legs  short,  stout,  black,  the  tips  <)f  tibia;  and  the  tarsi  yellowish. 

Abdoinen  very  long,  cylindrical,  <^onic,  h)nger  than  the  head  and 
thorax  together,  highly  i)olislied,  black. 

Habitat. — V^irginia  Beach,  Md. 

Type  9  in  Coll.  Ashmead. 

Taken  by  iMr.  E.  A.  S(!hwarz  July  17, 1890. 

GoniozuB  columbianuB,  Hp.  nov. 

$  9  .  Length,  1.5  to  !i'"'".  Black,  shining,  the  head  very  feebly  mi- 
croscopically ]>unctate,  in  9  1|  times  as  long  as  wide,  in  <?  not  longer 
than  wide  across  the  eyes. 

Antenuie  l.J  Jointed,  a  little  longer  than  the  he.'id,  the  scape  dusky 
or  i)ice(ms  towards  base,  the  tlagellum  yellow;  the  pedicel  is  very  small, 
very  little  longer  than  thick,  the  two  following  Joints  subtriangular, 
those  beyond  nioiiiliform. 

Wings  hyaline,  the  i)arastigma  and  stigma  brown,  the  other  veins 
pale  or  tinged  with  yellow;  the  stigma  is  oblong,  2K  times  as  long  as 
wide;  the  stigmal  vein  long,  bent  upwards  at  tip;  the  branch  of  the 
basal  nervure  short. 

Legs  jiiceous  brown,  in  $  brown,  with  the  trochanter,  all  tibiie  and 
tarsi  5'ellow,  in  the  9  the  middle  and  post<Tior  tibia',  yellow  except  at 
the  middle  above. 

Abdomen  not  longer  than  the  thorax,  black  polished. 

Habitat. — Washington,  I).  C. 

Types  $  and  9  in  Coll.  Ashmead. 

Comes  nearest  to  G.  Hubbard  I  How.,  but  quite  distinct  by  the  color 


of  the  legs. 


Goniozus  Hubbardi  Howard. 


Hubbard's  Oraugo  Ins.  app.,  p.  217   J  ;  Ashm.  P^iit.  Am.,  iii,  p.  119;  Cress.  Syn. 

Ilym.,  ]..  247. 

$  9.  Length,  l.()  to  2™'".  Black,  shining,  alutaceous;  head  feebly, 
sparsely  i)unctate,  with  a  distinct  carina  anteriorly  between  the  an- 
tennae. - -    -    ~  -  -^  -^  ^ 

Antenna)  13-jointed,  the  scape  and  pedicel  yellow,  the  flagelluni 
brownish-yellow,  the  joints  after  the  second  submoniliform,  the  first 
minute. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PEOCTOTKYPID.K.        77 

Lefjs,  iiiclinliiiy' Jill  coxje,  yellow,  the  anterior  feniorii  iiiucrli  swollen; 
wiiij;s  hyiiliiu',  the  parastiy:mii  and  stijiina  pit-eons. 

Abdomen  lonj^er  than  the  thorax,  pointed  at  apex,  smooth  and  pol- 
ished, the  venter  sometimes  piceons  towards  base. 

The  male  is  the  smaller  and  agrees  i)erfectly  with  the  female,  the  only 
noticeable  difference  being  in  the  shape  of  the  abdomen,  which  is  ob- 
long oval,  slightly  dejiressed,  not  pointed  at  apex,  and  scarcely  as  long 
as  the  thorax.  The  Hagellum  is  more  distinctly  brown,  the  joints  very 
slightly  longer  than  ia  the  female. 

Types  in  National  Museum. 

Bred  by  II.  (I.  Hubbard  at  Crescent  City,  Fla.,  from  Vlatynota  rog- 
trana,  and  by  myself  at  Jacksonville,  Fla.,  from  the  (uange  case  worm, 
PlatasceticuH  (Uorerli  Packard. 

NoTK. — The  following  fj;eiius  has  uot  been  recojjuized : 

Notwithst.iiulin^f  the  fact  that  the  auteuiiie  are  deserihetl  as  2ti-j(>into(l,  the  };enus 
evidently  beh)n<j;8  in  this  j^roup.  I  merely  ropy  Stefaiiu's  description  witli  tht^  hope 
that  it  may  some  day  aid  in  its  identification.  Were  it  not  for  tln^  2t)-jointed  an- 
tenme  I  should  say  the  jjeniis  was  identical  with  eitlu^r  I'rixtocera  or  Svleroderma'.- 
It  is  possible,  though,  the  autennai  will  be  found  to  be  only  lli-jointe<'i,  each  Joint 
bein^  constricted  and  having  the  apjiearance  of  forming  two  joints.  Such  mistakes 
have  frequently  occurred  in  systematic  entomology. 

SCLEROGIBBA.  Stefano. 
Nat.  Siciliano,  lXS7-'8*<,  p.  145. 

Seler.  caput  depressum,  ocelli  uulli.  Antenna;  crassse  cum2(5  articulis.  Os inferior. 
Thorax  oblongus  distinete  divisns;  prothorax  cyliudricus  antice  rotuudatus  posti- 
cecjne  emargiuatns;  mesothorax  antice  attennatus  ])03tice  incrassatns;  nu-tathorax 
supra  ]danus,  dilatatus.  Femora  et  tibiie  antice  erassissima.  Abdomen  sessile. 
Ovipositor  brevissimus. 

iScler.  cransifvmorata,  Tav.  i,  Figs.  Se,  3a,  b  c,  p.  146,  Hab.  Ustica. 

Subfamily  II— EMBOLEMIN.E. 

Head  globose.  Ocelli  3  in  a  triangle,  close  together;  in  apterous 
females  very  minute.  Mandibles  oblong  quadrate,  3-dentate.  Antennas 
porrect,  Uliform,  in  S  10-,  in  9  13-jointed,  inserted  on  the  middle  of  the 
face.  Maxillary  palpi  3-  to  5-.jointed ;  labial  palpi  2-  or  3-jointed.  Prono- 
tum  usually  \vell  developed,  triangular  or  quadrate;  mesonotum  trans- 
verse, or  at  the  furthest  not  longer  than  wide,  the  si-apuhe  not  sepa- 
rated; scutellum  transverse,  quadrate,  or  subtriangular;  metathorax 
large,  quadrate.  Front  wings  with  a  lanceolate  stigma,  a  (dosed  costal 
cell,  two  basal,  two  discoidal  (;ells,  and  an  open  radial  cell;  hind  wings 
distinctly  lobed,  veinless,  except  along  the  costa  to  two-thirds  its 
length,  the  tip  of  this  vein  being  furnished  with  U  booklets.  Abdomen 
subpetiolate,  ovate  or  oblong  oval,  depressed,  composed  of  7  segments, 
the  second  aniT  third  being  very  large.  Legs  long,  the  anterior  femora 
nmch  swollen,  the  middle  and  posterior  pairs  obclavate,  the  tibiie  sub- 
clavate,  their  si>urs  1,  0,  2,  tarsi  5  jointed,  claws  simple. 

The  shape  of  the  head,  the  difference  in  the  numbers  of  joints  in  the 
antennae,  and  non-chelate  anterior  tarsi  in  the  females,  sufficiently  dif- 


78  IMTF.LKTIN   45,  UNITED   STATES    NATIONAL   MUSEUM. 

ferentijit«'  this  j,aonp  fnmi  the  licthyliiui;  hihI  thi'  Dryiiiiiia',  to  wliirli  it 
is  iin>st  clost'ly  jilli«'(l. 

Tlu!  ji;n)Ui>  is  rare  Jiiul  only  a  few  species  in  it  arc  known,  (In'ir 
habits  still  H'niainiii};  unknown.  From  their  close  strnetural  atllnity 
with  the  l)ryinin;e  it  is  not  unlikely  they  have  siniilai-  haltits. 

The  renera  may  be  (listin}j;uished  by  tlu^  aid  of  the  following,'  table: 

TABLE   OF   (iENERA. 

KKMAI.KS. 

AuttMiiia-  13-joiiit<'(l. 

W'iugs  rmliiiieiitary;  vyvm  flat;  ocoUi    very   Hiiiall;  scain)  iiiiich  louyer  than  the 

lirst  funit'lar  Joint I'KIUNOM.M^  iMirst. 

Whiffs  fully  (U'vj'loptd. 

Eyes  arclieil;  owlli  larj^r;  scaiic  sliort«;r  than  the  first  fiiiiiclar  joint. 

Emih>ij:mi  s  Wcstw. 

MAI.KS. 

AnttMiuii-  lO-jointtHl. 
I'rothoraxas  lon;(iiH  tlu)  nu'sonotinn,  with  a  ilecp  median  huIcuh;  scaponmch  loMfj;t'r 

tli.'in  the  lirst  flagellar  Joint A.mi'ui.ii'omoki'Ma  Ashni.,  ^rn.  nov. 

I'rothorax  isliortttr  than  the  uiesouutnni,  witlioiit  'a  median  sulcus;  8('a]te   much 

shorter  than  the  lirst  flagellar  joint Emuolkmcs  Wcstw. 

PEDINOMMA  liirstcr. 
Hym.  Stud.,  ii,  ]».  Dl  (IKWJ). 
MyrmecomorphHn  Westw.,  I^oud.  Mag.,  IKVA,  j).  4{)ri. 

(Type  if.  nifcuviiiH  Westw.) 

Head  rounded,  a  little  oblong,  with  ;>  frontal  tubercle;  eyes  roun<led; 
ocelli  subobsolete. 

Anteunie  10-Jointed,  as  long  as  the  body,  cylindric  and  filiform,  the 
scape  as  long  as  the  head  and  longer  than  the  first  flagellar  Joint. 

Maxillary  i>alpi  3 Jointed;  labial  palpi  2-Jointed. 

Wings  iu  9  rudimentary  or  wanting,  the  S  unknown  but  probably 
winged. 

Abdomen  ovate,  much  longer  that  the  thorax. 

Legs  thick,  tluj  jwsterior  pair  long. 

A  very  rare  genus,  so  far  only  known  from  I'^uiope,  an<l  I  have  been 
unable  to  obtain  si)ecimens  for  examination.  There  is  a  slight  dis 
crepancy  between  Westwood  and  Forster  in  the  description  of  the 
ocelli.  The  former  says  "  without  ocelli,"  the  latter  that "  die  Nebenau- 
gen  sind  sehr  kleiu."  Nothing  is  known  of  the  habits  of  the  genus  and 
the  male  is  still  to  be  discovered. 

The  name  given  to  it  by  Westwood  was  changed  by  Forster  on  ac- 
couut  of  its  being  preoccupied  in  Diptera. 


MONOGllAni  OF  THE  NOIJTII  AMEFtlCAN  rKOCTUTKYl'IDiE.        71) 
EMBOLEMUS  WcHtw. 
(I'liil.  Mug.,  IKil',  p.  ni,^.) 
/'(>/,yp/((HH«  N4H-H,  Moll.,  II,  p.  :U!).  9- 

(  Tyjn^  A',  liiuldii  Wi'Htw.) 
(IM.v,  FiK.-'.  ^.) 

Ih'iMi  small,  siibgiobost',,  pulx'sceiit;  eyes  .small,  roiimlcd;  ocelli  3, 
distinct. 

Anteniue  in  <?  10  Jt)iiite(l,  setaceous,  much  lonjicr  than  the  body,  in- 
serted on  a  IVontal  tubercle;  tln^  sj-ape  short,  half  the  lenjith  of  the 
head;  pedicel  small,  nmnded;  tlaj;ellar  joints  all  elon}j;ate,  h)n;,^er  than 
the  scapi';  in  5  13  jointed,  snbclavate,  shorter  than  the  body;  .scape 
short;  pedicelsmall,  tlaj-cllar  joints  to  the  twelfth  subequal;  thirteenth 
lusiform,  lonj,'»'r  and  stouter  than  the  twelfth. 

Maxillary  palpi  5-jointed,  setaceous,  slender,  the  tir.st  joint  slender, 
slightly  arcuated,  the  seiouil  dilated,  the  third  s'<'n<ler,  the  fourth 
shorter  than  the  third,  tlu^  tifth  linear,  much  lony;er  than  the  fourth; 
maxilla  small,  short,  .subovate;  labium  small,  narrow,  subliuear;  ligula 
tiansverse,  short. 

Mandibles  oblong  (puulrate,  straight,  3  dentate,  the  teeth  acute, 
subequal. 

Thorax  ovoid,  the  prothorax  di.stinct,  triangular,  impressed  laterally, 
nuindcd  anteriorly;  mesonotum  as  broad  as  long,  without  furrows; 
metathorax  .slightly  longer  than  high,  rounded  posteriorly. 

Fiont  wings  with  a  lanceolate  .stigma,  a  marginal,  two  submarginal. 
aiul  thrcvi  discoidal  cells;  the  third  discoidal  is  nearly  divided  into  two 
others,  the  transverse  median  not  interstitial  with  the  basal  nervure; 
in  the  9  the  nervures  are  not  well  developed. 

Legs  rather  long,  the  femora  obclavate,  the  coxie  large,  the  tarsi  slen- 
der, claws  and  pid villi  small. 

Abdomen  long  ovate. 

This  genus  still  remains  to  be  discovered  in  our  fauna,  the  species 
described  by  me  as  such,  IJ.  iianutKs,  being  a  dryiuid,  belouging  to  the 
genus  Lahio  Hal. 

jy.  Ruddii  Westw.,  the  type  of  the  genus,  1  had  the  pleasure  of  see- 
ing in  the  Berlin  Museuui. 

AMPULICOMORPHA  Asbnicml,  sen.  nov. 

{Type  A.  coiifuaa.) 

Head  globose,  with  a  frontal  protuberance  for  the  insertion  of  the 
anteuiue;  eyes  rather  small,  oval,  placed  at  the  sides,  a  little  before 
the  middle  of  the  head;  ocelli  very  small,  arranged  in  a  triangle  on  the 
vertex;  clypeus  convex,  slightly  projecting,  the  anterior  nuirgin  regu- 
larly rounded;  superal  clypeal  i)iece  distiiu'tly  separated  by  deep 
grooved  lines,  extending  from  the  base  of  each  antenna. 


80  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

Anteniiii'  lO-jointed,  longer  tbiiu  the  body,  setaceous,  tbe  scape  very 
long,  longer  than  the  head,  slender  and  curved  at  base,  tbe  pedicel 
small,  the  remaining. joints  lengthened. 

Maxillary  palpi  j«»ng,  5  jointed,  the  terminal  joint  the  hnigest,  the 
third  tbe  shortest;  labial  palpi  very  short;  apparently  3-jointed  (?). 

Mandibles  small,  truncate  at  tips,  3  dentate. 

Thorax  elongate,  abruptly  truncate  behind,  the  protborax  (piadrate, 
as  long  as  the  mesonotum,  but  narrower,  tbe  sides  compressed  and 
with  a  deep  median  channel  above,  as  in  Ampnlex;  mesonotum  without 
furrows,  except  two  very  short  obli<iue  grooves  anteriorly;  scutellum 
triangular,  with  three  conHuent  fovea'  at  base;  metatborax  quadrate, 
rugose,  the  posterior  truncature  abrupt,  the  angles  a  little  rounded. 

Front  wings  smoky,  the  stigma  moderate,  lanceolate,  tbe  marginal 
cell  almost  closed,  two  basal  and  two  distinct  discoidal  cells;  besicjes 
there  is  an  indistinct  submarginal  cell, 

F"ud  wings  lobed  at  base,  with  a  distinct  venation. 

^ibdomen  ovate,  subpetiolate,  the  second  and  third  segments  occupy- 
ing most  of  its  surface. 

Legs  rather  long,  the  femora  obclavate,  the  anterior  i)air  the  shortest 
and  stoutest,  the  tibial  spurs  on  the  hind  legs  long. 

In  venation  this  remarkable  genus  resembles  Emholemus  Westwood, 
but  otherwise  it  is  quite  distinct,  and  \cQ,'A\\i^  WiinopHiH  i\i\i{  Ampidcjc. 
The  long,  (juadrate,  sulcate  pronotum  at  once  distinguishes  the  genus. 
I  know  of  but  a  single  species,  as  follows : 

Ampulicomorpha  confusa,  8]).  nov. 
(PI.  V,  Fig.  !,<?.) 

S.  Length,  4"'"'.  Polished  black;  metatborax  above  and  on  the 
truncature  rugose;  antenna'  brown;  leg.s  black, tbe  trochanters,  tibia*, 
and  tarsi  i)iceous  or  dark  rufous. 

Wings  fuliginous,  the  venation  dark  brown,  tbe  sec<md  basal  cell 
shorter  than  tbe  tirst;  all  the  nervures  are  well  developed. 

Habitat. — California. 

Type  $  in  Coll.  Ashmead. 

Described  froiii  a  single  s]>eeimen.  Since  the  above  was  written  I 
have  seen  another  specimen  in  tbe  collection  of  tln^  American  Ent*>mo- 
logical  Society,  taken  in  Nevada.  It  ditters  in  being  slightly  smaller 
and  with  paler  colored  wings. 

Subfamily  IIL—DKYININ^E. 

Head  trans v^erse  or  sub(iuadrate;  when  viewed  from  in  front  often 
triangular.  Ocelli  3,  in  a  triangle.  Mandibles  stout,  3-  or  4  dentate. 
Antennae  porrect,  tiliform  or  subclavate,  pubescent  or  pilose,  lO-jointed 
in  both  sexes,  inserted  just  above  the  clypeus.  Maxillary  palpi  3-  to 
5-joiuted;  labial  i)alpi  l!  to  4-jointed.    Pronotum  variable,  very  short, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.        81 

scarcely  visible  fi^oiu  above,  or  very  loug,  and  separated  from  the  me- 
sonotuni  by  a  strong  constriction;  mesonotnm  not  longer  than  wide, 
with  or  withont  distinct  parapsides;  sc^telluni  generally  large,  rounded 
or  truncate  posteriinily,  entirely  wanting  only  in  Gonatopus;  metatho- 
rax  quadrate  or  subquadrate,  truncate  or  rounded  off  behind.  Front 
wings  with  a  lanceolate  or  ovate  stigma,  a  closed  costal  cell,  two  basal 
cells,  and  an  open  radial  cell;  rarely  with  a  distinct  discoidal  cell; 
hind  wings  distinctly  lobed,  veinless  except  along  the  costa  to  two- 
thirds  its  length,  the  tip  of  this  vein  being  furnished  with  booklets. 
Abdomen  subpetiolate  or  petiolate,  ovate  or  oblong-oval,  depressed,  or 
occasionally  compressed,  composed  of  8  segments,  the  ovipositor  not 
exserted.  Legs  long,  the  anterior  femora  much  swollen,  the  miildle  and 
posterior  pairs  obclavate,  the  tibiae  subdavate,  their  spurs  1,  1,  i^  ^arsi 
5 Jointed;  the  anterior  tarsi  in  the  females  in  all  the  genera,  exc(  ^^ 
AphelopKs  and  Mystrophorus,  are  chelate. 

A  very  interesting  group,  and  evidently  an  ancient  phylogenetic  type 
of  the  order,  the  chelate  anterior  tarsi  in  the  females  being  found  in 
no  other  group  among  the  Hymenoptera. 

The  l)r//j/«/wa' confine  their  attacks  to  homopterous  insects  belong- 
ing principally  to  the  families  Fulgorida',  Membracid.e  and  Jassidje, 
living  in  felt  like  sacks  protruding  from  the  abdominal  spiracles. 

Prof.  Joseph  Mik  has  given  a  most  interesting  account  of  the  biology 
of  Gonotopus  pilosus  Tlioms.,  living  on  Beltoeephahis  xanthoneurus, 
while  G.  pcdestris  Dalm.  has  been  reared  from  Athysanufi  mnritimioi 
and  Thamnotetttx'  sulphurella.  ApJielopus  melaleurus  Dalm.  has  been 
discovered  by  Giard,  in  France,  to  prey  upon  Typhlovyba  hippocastani 
and  T.  dnuglasi.  The  genus  Laheo  Haliday,  known  only  in  the  male 
sex,  bears  a  superficial  resemblance  to  Aphclopus  and  has  similar  habits, 
my  Lalteo  typlilocyb(V  having  been  reared  by  Dr.  Riley  from  a  Typhlo- 
cyha  living  on  tlu^  sycamore.  I  believe  this  genus  will  yet  i)rove  to  be 
the  opposite  sex  of  Gonntopns. 

The  following  table  will  be  foau<l  all  that  is  necessary  to  recognize 
the  genera : 

TABLE   OF   CJENERA. 

FEMAU5S. 

1.  Vortex  convex,  not  impressed 2 

Vertex  deeply  impressed;  prothorax  very  long;  anterior  tarsi  chelate. 

Wingless,  without  a  sctitellum (Jonah u-i's  Ljungh. 

Winged,  with  a  scutellum DKYiNCsLatr. 

2.  Stigma  oval  or  ovate 3 

Stigma  lanceolate;  anterior  tarsi  chelate. 

Prothorax  not  (jnite  as  long  as  the  niosonotnni,  mnch  contracted ;  fourth  joint 
of  anterior  tars-  r.)t  nmch  longer  than  the  third,  the  first  twice  as 
long  as  the  thr« »  folhviug  united;  maxillary  palpi  4-jointed. 

JJoccnus  Ashm.  gen.  nov. 
21899— No.  45 0 


82  BULLETIN    45,  UNITED    STATES   NATIONAL    MUSEUM. 

3.  Anterior  tarsi  not  chelate 4 

Anterior  tarsi  fliclate. 

Protborax  almost  as  lonj;  as  the  mesont>tuui ;  fourth  joint  <»f  anterior  tarsi  much 
louj^er  than  the  third,  the  lirst  joint  not,  or  scarcely,  longer  than 
the  three  following  united;  maxillary  palpi  5-jointed. 

ClIKLOUYNUS  Hal. 
Prothorax  much  shorter  than  the  mesonotum;  fourth  joint  of  anterior  tarsi 
scarcely  longer  than  the  third,  the  iirst  not,  or  scarcely,  longer  than 
the  three  following  unite»l;  maxillary  palj  .  4-jointed. 

Antkon  J  urine. 

4.  Prothorax  much  'onger  than  the  mesonotum,  the  latter  without  a  trace  of  a  fur- 

row ;  head  large,  broad M ysti{<  H'IIORUS  Forster. 

Prothorax  above  not  or  only  slightly  A'isible ;  mesonotum  stnnigly  developed,  with 
furrows Aphelox'US  Dalm. 

MALKS. 

1.  Sfcigma  oval  or  ovate 2 

Stigma  lanceolate. 

Occiput  deeply  concave;  vertex  and  neck  separated  by  a  sharp  angle;  nu;sono- 
tum  with  distinct  furrows;  a  discoidal  cell;  maxillary  palpi  4- 
j(»inted Laheo  Hal. 

Occiput  not  concave,  straight  aiul  broad;  mesouotum  without  furrows;  no  dis- 
eoidal  cell;  maxillary  palpi  5-jointed Piiokijas  Ashm.  gen.  nov. 

2.  Prothorax  mu<'h  longer  than  the  mesonotum. 

Mesonotum  with  furrows;  maxillary  palpi  5-joiiited Ciielogynis  Hal. 

Mesonotum  without  furrows;  maxillary  pali)i  4-joiuted..MYSTKOiMioiJi;s  Forst. 
Prothorax  much  shorter  than  the  nu'sonotum. 
Mesouotum  with  or  without  traces  of  furrows;  maxillary  palpi  4-joiuted. 

Anteon  J  urine. 
Prothorax  not,  or  scarcely,  visible  from  above. 
Mesonotum  strongly  developed,  with  furrows;  maxillary  palpi  5-jointed. 

Aphelopiis  1  )alm. 

GONATOPUS  Ljiiiigh. 
Web.  und  Mohr.  Beitr.,  1810,  p.  161;  Dicoudylus  Hal.,  Ent.  Mag.,  iv,  p.  410  (1837). 

(Type  (/.  pedeHtr'iH  Dalm.) 

Head  large,  transverse;  when  viewed  from  in  front  very  short,  trian- 
gular, the  vertex  deeply  impressed  and  sloping  oft"  towards  the  neek; 
the  occiput  convex,  not  margined;  eyes  very  large,  prominent,  occupy- 
ing the  whole  side  of  the  head;  ocelli  small. 

AntenniX?  10 jointed,  liliform  or  sidxlavate;  scaj)e  alxmt  one-third 
the  length  of  the  head,  thicker  hut  not  much  longer  than  the  second. 

Maxillary  palpi  5-jointed. 

Mandihles  Sdentate,  the  outer  tooth  long  and  acute. 

Thorax  greatly  eh>ngated  and  of  a  peculiar  shape;  the  prothorax 
much  wider  than  the  mcsothorax,  the  latter  elongate  and  humped  at 
the  middle,  and  separated  from  the  metathorax  by  a  strong  constric- 
tion; the  metati'orax  clavate. 

Wings  always  absent. 

Abdomen  oblong  ovate,  subpetiolate,  the  second  segment  the  longest. 

Legs  very  long,  the  posterior  pair  greatly  lengthened ;  coxie  large, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        83 

the  anterior  pair  greatly  lengthened ;  femora  obelavate,  the  front  i)air 
the  stoutest;  tibiie  very  long  and  slender,  very  little  thicker  at  tips 
than  at  the  base;  anterior  tarsi  (;helate,  middle  and  posterior  tarsi, 
5-jointed,  shorter  than  their  tibiae,  the  claws  and  pulvilli  small. 

This  genus  is  readily  distinguished  from  all  the  other  genera  in  the 
group  by  its  peculiar  shape,  the  strong  constriction  between  the  meso- 
and  meta-  thorax,  the  absence  of  wings  and  scutellum,  and  the  nuich 
longer  and  more  slender  tibije.  In  its  cephalic  and  antennal  charac- 
tiirs  it  api»roaches  nearest  to  DryluKs,  but  otherwise  it  is  (piite  differ- 
ent, that  genus  having  wings,  a  distinct  large  scutellum,  and  is  without 
the  strong  constriction  between  the  meso-  and  nu'ta-  thorax. 

The  male  is  unknown,  but  I  have  reasons  for  believing  that  the  genus 
Labi'o  Ilaliday,  known  only  in  the  male  sex,  will  yet  prove  to  be  the 
opposite  sex  of  this  peculiar  genus. 

Mr.  Canteron,  in  IJiologia  Centrali  Amer'^ana,  has  described  two  or 
three  species  that  he  sui)posed  were  wiuj  .s  males,  but  as  these  so- 
called  males  have  chelate  claws,  I  suspect  ne  has  mistaken  females  for 
males,  as  all  the  males  in  this  group  known  to  mo  have  simple,  not 
chelate  daws,  the  chelate  dawsbeing  a  character  peculiar  to  the  females. 

Our  species  may  be  tabulated  as  follows: 

TABLE    OF   SPECIES. 

KEMALKS. 

Species  more  or  less  brown  or  jtale  lirownisli-yellow 2 

Species,  excepting  a  portion  of  the  Iie.id,  black. 
Thorax  punctnlatc. 

Head  not  twice  as  broail  as  Imij;;    nictatborax,  anteriorly  antl   posteriorly, 
transversely  striate'!. 
Occiput,  face,  and  two  basal  joints  of  autennic,  yellow,  rest  of  antenna^ 

fuscous (i.  coNTOKTiLis,  Patton. 

Head  twice  as  broad  as  lonjf ;  metatborax,  anteriorly  and  posteriorly,  trans- 
versely striated. 
Occiput,  face,  and  antenna',  excei)t  tbe  tbret*  terminal  joints,  yellow. 

G.  Fi,AViKi:(>NS,  sji.  nov 
Thorax  i>olisln'd,  shining. 

Head  entirely  black (;.  dkciimkns,  I'rov. 

2.  Abdomen  iilack  ;  head  and  tliorax  dark  reddish-brown. 

Metatborav  coarsely  transversely  striated;    autenua'  yellow;    loj;s   piceous  or 

brown,  the  coxa-  and  tarsi  ycdlow (>.  iAi,ii'<»itxi<rs,  sp.  nov. 

Abdomen  i>iceons;  head,  tliorax,  and  Icjis  jiale  or  yellowish. 
Metatborax  smooth,  i)olished,  with  only  a  few  faint,  transverse  striae 

(i.  iiicoLOK,  sp.  nov. 

Oonatopus  contortulus  Patton. 

Can.  Knt.  xi,  p.  m  (1879),   9  ;  Asbni.  Ent.  Am.  iii,  p.  74-  Cress.  Syn.  Hym.,  p.  246. 

"  5  .  Length  .3.5'""'.  Head  testaceous,  maiuiibles  and  scape  of  an- 
tenna' white;  the  teeth  of  the  mandibles,  second  joint  of  the  anteiune, 
and  a  line  on  the  scap«'  posteriorly,  pale  testaceous,  remainder  ol'  an- 
teuua)  fuscous.    A  large  fuscous  spot  on  the  uuder  side  of  head,  aud 


84  BULLETIN   4.-),  UNITED    STATES   NATIONAL   MUSEUM. 

jiuother  ubovc  ill  front  of  and  iiidudiiij;'  the  ocelli;  «i  ra,ise<l  lino  ex- 
tending forwards  from  anterior  ocellus  to  the  face.  Head  transverse, 
broader  than  thorax  or  abdomen ;  convex  beneath,  ccmcave  behind, 
above  and  in  fiont;  the  mouth  prominent;  tlie  eyes  longitudinally 
ovate,  prominent,  not  reaching  the  posterior  b(»rder  of  the  head.  An- 
teiuue  lO-jointed,  the  basal  Joint  stout,  the  second  joint  more  slender 
and  one-lii\lf  5i>*  \o\\g  as  the  first,  tlie  third  very  slender  and  eciual  in 
length  to  the  first  and  second  together,  the  fourth  and  following  Joints 
slender  but  gradually  becoming  thicker,  the  tburth  one-half  as  long  as 
the  third,  the  fifth  a  little  shorter  than  the  fourtli  and  a  little  longer 
than  each  of  the  following  joints.  Thorax  and  abdomen  i)iceous  black. 
The  thorax  slender,  binodose.  The  trochanters  formcil  of  only  one  Joint. 
Anterior  coxai  long  and  robust,  i)ale  testaceous  with  a  darker  stripe 
above;  anterior  trochanters  whitish,  more  slender,  clavate ;  femora 
large,  obdavate,  dark  testiu'eous,  paler  at  tip  ;  ribiic  as  long  as  the 
femora  and,  together  with  the  first  tarsal  Joint,  pale  testaceous  ;  termi- 
nal joint  of  the  tarsi  and  the  chehe  whitish.  The  chehc  at  rest  extend- 
ing back  to  the  tip  of  the  first  joint  of  the  tarsus,  the  outer  claw  pointed 
and  slightly  curved  at  the  extremity,  the  inner  claw  more  robust,  cilia- 
ted internally  and  with  a  wrench-shaped  curve  at  tlu^  extremity ;  pul- 
villus  tipped  with  fuscous.  The  other  legs  slender,  the  coxa'  and  the 
base  of  femora  dilated,  testace<»us,  the  coxa',  base  of  femora,  tibia; 
above  and  daw  joint  of  tarsi,  darker.  Abdomen  ovate,  i>ointed  at  tip 
and  Avith  a  short  pcitiole."     {l*atton.) 

II AiJiTAT. — Waterbnry,  Conn. 

Type  in  Coll.  American  Entom.)logical  Society,  at  Pliiladelphia. 

The  type  is  in  jjoor  condition  and  I  have  copied  JMr.  Patton's  de- 
scription. It  was  captured  at  Waterbnry,  Conn.,  on  herbage  a  few 
inches  abov<^  the  ground,  August  18,  1879. 

Gouatopus  flavifrons,  Hjt.  iiov. 

(PI.  V,  Fi-.  4,9.) 

9  .  Length,  4.4""".  Black,  shining,  with  a  fine  shagreened  punctua- 
tion. Occiput,  fiu-e,  mandibles,  except  teeth,  palpi,  antenna',  except 
the  three  tenninal  Joints,  which  are  fuscous,  and  legs,  yellow;  the  long 
large  anterior  coxa'  have  two  black  spots  beneath;  the  greatly  sw<>llen 
anterior  fenutra  above  are  almost  entirely  black,  while  their  tibiic  ha\e 
a  black  streak  above ;  the  middle  and  posterior  coxa'  and  femora  basally 
are  also  more  or  less  black  above.  The  anterior  or  constrii;ted  part  of 
the  metathorax  and  its  posterior  face  are  transversely  striated. 

The  abdomen,  except  blotches  at  the  sides  of  the  first  segment,  the 
apical  edge  of  the  third  and  fourth  segments,  esj>ecially  laterally,  and 
the  terminal  segment,  which  are  rufous,  is  highly  ])olished,  black. 

Habitat. — Albany,  N.  Y. 

Tyi>e  5  in  Coll.  Ashmead. 

Described  from  a  single  si)ecimen  received  from  Mr.  W.  H.  Harring- 
ton, who  informs  me  that  it  was  ca])tured  by  Mr.  Van  Duz<.'e  at  the 
above  place.  .. 


MONOGRAPH  OF  THE  NORTPI  AMERICAN  PROCTOTRYPID.E.        85 

The  8i)ecies  coiues  nearest  to  (f.  c(nitortuhis  Partoii;  but  it  is  laij^er, 
the  head  l)roader,  and  it  (litters  also  in  cohnational  detail. 

Gonatopus  decipiens  Pro  v. 
Add.  <'t.  Corr.,  \k  17it,  9  ;  Ashin.  Kiit.  Aiti.,  iii,  j).  71;  Cn^ss.  Syii.  Hyiii.,  p.  246. 

V  .  Length,  2.4""".  Blaek,  with  the  antenna'  and  legs,  in  part,  testa- 
ceous. Head  large,  tlat,  very  finely  puuetured,  with  a  large  ocellus  on 
the  vertex.  Antenna'  inserted  near  the  mouth,  10-Jointed,  the  first  the 
longest  and  thickest,  the  foUowing  elongated,  slender,  the  terminal 
joints  dusky.  Thorax  polished,  shining,  narrow,  elongated  with  respect 
to  the  constricted  part  of  the  scutellum.  Abdomen  subsessile,  oval. 
Ani*^  ior  femora  strongly  swollen,  black,  their  tibite  testaceous,  their 
tarsi  brownish,  with  the  claws  long,  in  the  form  of  pincers;  the  four 
posterior  femora  with  their  tibia'  black,  their  tarsi  testaceous. 

Habitat. — Cap  Rtmge,  Cana<la. 

Type  9  in  Coll.  Abbe  Provancher. 

Unknown  to  me. 

Goiiatopus  californicus,  sj).  uov. 

V 

9  .  Length, .}""".  Uniforndy  i)iceons-l)rowu,  except  the  apex  of  the 
metathorax  and  tlic  abdomen,  which  are  more  or  less  black.  The  an- 
tenna', the  tarsi,  and  the  slender  part  of  tlie  posterior  femora,  and  the 
middle  of  their  tibia',  honey -yellow.  The  head  is  very  closely,  linely 
l)unctulate,  pubescent,  while  the  metathorax  is  transversely  rugulose. 

Habitat. — California. 

Type  9  in  National  Museum. 

Described  from  a  single  specimen  received  from  A.  Koebele. 

Gonatopus  bicolor,  sp.  nov. 

9  .  Length,  .>'"'.  Head,  thorax  an<l  legs  yellow  or  reddish-yellow; 
middh'  an<l  posterior  knees  and  tips  of  posterior  til)ia'  black.  Abdo- 
men i>iccous  l»Iack.  Maiulibles  4-dentate.  Eyes  l)rown.  Metathorax 
smooth,  i>olished,  the  posterior  face  feebly  transversely  aciculated. 

Antenna'  snbdavate,  brown,  the  4  or  5  ])asal  joints  yellow,  the  tirst 
flagellar  Joint  about  twice  as  long  as  the  second. 

Habitat. — Selma,  Ala. 

Tyix'  9  in  National  Museum. 

Desm'ibed  from  a  single  specimen  collected  by  Mr.  NV.  H.  I'atton. 

DRYINUS   Latreill.-. 

IliKt.  Nat.,  xni,  p.  228(180.t);  Foist.  Ilyiii.  Stud.,  ii.  ]>.  <»0. 
CIkIoIIuUhm  Keinh.,  Berl.  Kut.  Zeits,  lXti3,  p.  4(W. 

(Typo  I).  formicariuK  Latr. ) 

Head  transverse,  the  vertex  impressed,  wlu'u  viewed  from  in  front 
triangular;  eyes  large,  i)rominent;  o<;elli  ;i  in  a  triangle. 


86  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

Anti'iniii'  lO-joiiited,  filiform  <»r  sli<ihtly  subclavate,  inserted  low 
down  on  tlic  face,  Just  above  the  clypeus;  tlie  scai)e  about  half  the 
length  of  the  head,  sb'j^htly  thickened  and  more  tlian  twice  as  lonj»-  as 
the  pedieel;  the  first  tlajiellar  Joint  usually  peatly  lenjjthened. 

Maxillary  palpi  Ion;;,  (»-Jointed;  labial  i)al[»i  very  short,  2-Jointed. 

Mandibles  3-dentate. 

Thorax  elon<>ated;  the  prothorax  very  long,  separated  from  the 
mesothorax  by  a  strong  constricth)n,  above  convex,  anteriorly  rounded; 
mesothorax  broader  than  long,  shorter  than  theprotliorax,  and  usually 
without  parapsidal  furrows;  the  scutellum  distinct;  metathorax  sub- 
(piadrate,  more  or  less  rounded  olf  i)osteriorly,  rugose. 

Front  wings  with  a  large  stigma,  two  basal  cells  and  an  incomplete 
marginal  cell. 

Abdomen  oblong  oval  or  oblong  ovate,  petiolate,  tlie  second  and 
third  segments  the  largest,  of  which  the  sj'cond  is  the  longer. 

Legs  long,  the  femora  obclavate,  the  tibiie  long,  slender,  the  anterior 
tarsi  chelate;  in  i  anterior  tarsi  l<»ng,  simple. 

Only  three  species  in  this  genus  arc  known  in  our  fauna,  which  may 
be  recognized  by  the  aid  of  the  following  table: 

TAHLE    OF   SPECIES. 

FEMALKS. 

Not,  entirely  hrownish-yellow 2 

Ell  tin' ly  brownish-yellow. 

Winjis  with  two  fii.seons  bands I ».  bikasci ATI's,  Say. 

WinjfH  fuHeiius,  with  a  lar);<'  roniMled  hyaline  spot  IxMieath  th»(  Hti^^nia. 

D.  ALATIS,  ("r. 
2.  Abtlonieu  shiniuf?  ]>laek. 

Winj^s  hyaline  with  two  fiiscons  bantls I>.  amkuicaxis  Ashni. 

D.  bifasciatUB  Say. 

Lcc,  Ed.  Say's  Works,  i,  p.  .S84,  9  i  Ashni.  Ent.  Am.,  iii,i>.  71 ;  Cresa.  Syn.  Hyni.,p.  24<J. 

Yellowish;  Avings  liifaseiate. 
Inhabits  Indiana. 

Body  liouey-yellow,  varied  with  blackish;  .-interior  thi;;hs  dilated;  win>?s  with 
two  fnscons  bands,  th<>.  a))ical  one  broader. 

Length  rather  more  than  one-lifth  <»fan  ineh.     (>V<(i/.) 

Unknown  to  nic. 

Dryinus  alatus  Cr. 

Gonatopus  f  alnliis  Cr.,  Trans.  Am.  Ent.  Soe.,  n  ,  \t.  19,3,  9  •     Dryinus  alntiiit  Pat- 
ton,  Can.  Ent.,  xi,  p.  05;  Ashni.  Ent.  Am.,  p.  246;  Cress.  Syu.  Hym.,  jt.  246. 

9  .  Length  S.TS""".  Pale  femiginons,  head  shining,  much  broader  tliau  thorax, 
transversely  compressed;  front  tlat;  eyes  large,  prominent,  ovate;  clypeus  transverse, 
subcon\ex,  bitubereulate  at  tips;  mandibles  and  scape  beneith  whitish ;  antt^nna; 
slender,  as  long  as  head  and  thorax,  10-joiuted,  iirst  joint  short  an<l  robust,  second 
small,  scarcely  half  the  length  of  first,  third  very  long  and  slender,  more  thau  twice 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.        87 

the  lenfjtli  of  first  tiiiil  second  toi^etlier,  black;  scapi'  and  two  or  three  apical  joints 
yellow  ;  luothorax  ••lonv;ate,  as  long  as  mctatliorax,  convex,  subtruiicate  anteriorly, 
narrowed  and  soinewh.it  contracted  posteriorly;  inetatborax  short,  convex,  fiisco- 
ferrufiinous ;  inetatborax  elongate,  ronnded  behind,  longitudinally  rugose  at  base 
above;  wings  narrow,  scarcely  reaching  tii)s  of  posterior  femora,  fuscous,  with  a 
largo  rounded  liyaline  spot  beneath  liase  of  stigma  nearly  as  broad  as  the  wing; 
legs  rather  paler  thau  body,  anterior  pair  very  long;  coxa'  and  trochanters  as  htng 
as  femora,  which  are  louger  tlian  tibi;e,  tarsi  chelaie;  four  posterior  legs  much 
shorter  thai»  anterior  jiair,  all  the  femora  much  thickened  towards  base;  abdomen 
elongate,  smooth  and  shining.     (CrtKHou.) 

IfABiTAT. — Texas. 

Ty])Os  ill  Coll.  American  Ent.  Soc.  and  National  Mnseuin. 
The  type  s])eciinen  in  the  National  Mnseniu  came  with  the  Uelliage 
collection. 

DryinuB  americanus  Ashm. 

(PI.  V,  Fig.  8,9.) 

Mf/strophoruK  nnnricaiius  Aslnu.,  Ent.  Am,,  iii,  j).  12S. 

9.  Length  (J.3""".  Head,  thorax,  and  legs  brownish  yellow;  head 
above  <lnsky;  eyes  brown  black;  autenna-i  dusky  at  tips;  abdomen 
smooth,  polished,  black.  The  head  when  viewed  from  in  I'ront  is  trian- 
guhir,  tinely  and  regularly  punctate,  impressed  above.  Anteniue  10- 
Jointed,  the  third  joint  as  long  as  the  fourth,  fifth,  and  sixth  joints 
united.  I'rothorax  much  elongated,  narrower,  and  more  than  thrice 
as  long  as  the  niesonotum,  finely  microscoj»ically  sculptured.  The 
short  spoon-shap<'(l  wings  are  hyaline,  except  a  smoky  transverse  band 
across  the  front  wing,  broad  enough  to  inclose  the  stigma  and  stigmal 
vein. 

Hakitat. — Jacksonville,  Fla. 

Tyi)es  in  Coll.  Ashmead. 

Two  specimens.  The  first  specimen  captured  was  in  poor  condition, 
and  when  my  original  description  was  drawn  up  the  anterior  chelate 
tarsus  w  as  not  observed,  and  it  was  consequently  placed  in  the  genus 
Mi/strophonm,  which  is  distinguished  by  having  the  anterior  tarsi  sim- 
l>le,  not  chelate. 

LABEO   Haliday. 

Ent.  Mag.,  i,  p.  273  (ISIW). 

(Type  L.  cxciHus  Westw.) 

Head  transverse,  the  vertex  broad,  subconvex,  the  occiput  deeply 
concave;  eyes  large,  oval,  jn'ominent,  but  much  smaller  than  in  either 
(ionutopvs  or  Dryhius,  and  occupying  only  the  anterior  half  of  the 
sides;  the  cheeks  oblique;  ocelli  3,  small,  triangularly  arranged;  a 
delicate  keel  extends  forward  from  the  fnmt  ocellus. 

AntenniT^  10-jointed,  filiform,  inserted  just  above  the  clypeus,  slightly 
thickened  towards  the  tips;  scape  thickened,  a  little  curved,  about 
twice  as  long  as  the  pedicel,  or  a  little  shorter,  or  as  h)ng  as  the  first 
flagellar  joint. 


88  BULLETIN    45,  UNITED   STATES   NATIONAL   MUSEUM. 

Maxillary  i>ali)i  rather  lonj;,  4-Jointod;  labial  i)ali>i  v«^ry  slunt,  2- 
jointt'd. 

IVIaiidibles  truncate  at  tii)s  and  .'{dentate,  thti  outer  two  iMuiical, 
ecjual;  the  inner  smaller,  blunt. 

Thorax  snbovate;  prothorax  narrowed  before  «and  impressed  at  sides, 
seanely  as  lon<;  as  the  mesonotnni,  the  anterior  margin  ridjied;  meso- 
notuni  broadjT  than  lonj?,  with  2  distinct  furrows  eonverj^inj;  pos- 
teriorly; meta thorax  short,  rounded  behind,  scarcely  sculptured  or 
indistinctly  areolated. 

Front  wiufjs  with  a  moderate  sized  lanc^eolate  stijiina,  two  basal 
cells,  and  an  angnlated  stignial  vein;  sometimes  one  or  two  discoidal 
cells  are  more  or  less  visible,  but  usually  they  are  wanting  or  subob- 
solete. 

Abdomen  subovate  or  oblong  oval,  petiolate,  the  second  and  third 
segments  nearly  equal. 

Legs  moderate;  the  hind  pair  the  longest,  femora  obclavate,  the 
tibiae  subclavate,  tlu^  tarsi  usually  long  and  slender. 

I  am  strongly  of  the  oi)inion  that  this  genus,  known  only  in  the  male 
sex,  will  yet  prove  to  be  the  opposite  sex  of  Gonatopns.  It  is  reared 
from  TifphJoci/h(V  and  other  jassids. 

The  four  species  in  our  fauna  may  be  distinguished  by  the  aid  of  the 
following  table: 

TABLE   OF    SPECIES. 

Hind  logs  very  long,  the  tibiiu  very  long. 
Hind  tiiisi  longer  than  tlioir  tibia". 
Antenna-  very  long,  tlio  llagolliir  joints  nearly  .'')  times  as  long  as  thick. 

Marginal  eell  open  at  tip L.  i.oNtuTAKsis,  s\t.  nov. 

Marginal  cell  completely  ciosed L.  tkxancs,  sp.  nov. 

Hind  Icigg  not  especially  long,  the  tiliia^  not  long. 
Antenna'  not  longer  than  the  thorax,  the  ilagellar  Joints  ueAcr  more  than  3  times 
as  long  as  thick. 

Pedicel  and  scape  eqnal  in  length L.  NASi'Trs  Ashni. 

Pedicel  twice  a.s  long  as  th(!  scape L.  tvi'Hlocvb.e,  sj).  nov. 

Labeo  longitarsis  sp.  nov. 

3  .  Length  2.G""".  Black,  shiniig;  head  finely  closely  punctate, 
the  occiput  deeply  emargin ate;  eyes  large,  rounded,  pubescent.  Man- 
dildes  and  i)alpi  rufous.  Antenna*  lO-jointed,  long,  setaceous,  pubes- 
cent; first  and  last  tlagellar  joints  about  of  an  equal  length,  longer 
than  the  scape,  the  remaining  slightly  shorter,  four  times  as  long  as 
thick.  Prothorax  scarcely  visible  from  above;  mesonotum  with  two 
distinct  furrows,  converging  posteriorly;  scutellum  with  a  transverse 
impressed  line  at  base;  jnetathorax  longer  than  high,  roundedly  trun- 
cate behind,  finely  closely  punctate,  and  with  a  median  carina.  Wings 
hyaline,  pubescent,  the  venation   distinct,  brown;    the  stigma  long 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        89 

l;ui(«M>latt',  tlie  stifiinal  voiii  very  loiij;,  I'orniing  nearly  a  closed  mar- 
jfiiial  cell.     Legs  fiiseons,  the  iK)steii(>r  pair  unusually  long. 

1 1  ABIT  AT, — Jacksonville,  Kla. 

Type  (J  in  Coll.  Asliniead. 

Labeo  texanus  sp.  nov. 

i.  Length  2.5""".  Allied  to  L.  loiif/itarsis,  hut  ditlers  as  follows: 
The  head  is  nioi'c  finely  jmnctate;  mandibles  black  or  piceons;  niargi- 
nal  cell  in  anterior  wing  completely  closed;  legs  black,  tlu^  anterior 
knees,  tibia',  aiul  tarsi  i)ale  brownish;  the  middle  ami  hind  knees 
brownish;  tibia'  and  tarsi  fnscous.  The  metathorax  is  more  rugosely 
l)unctate. 

Habitat. — Texas. 

Tyi>e  in  ('oil.  Ashmead. 

Described  from  a  single  si)ecimen. 

Labeo  nasutus  Ashin. 

EmboleiniiH  nasiitiiH  Asbm.,  Eiit.  Am.,  ill,  p.  75  ^ . 

S.  Length  L*"'"'.  Black,  suboi)aque.  Head  vertically  short,  the 
frons  i)unctate;  ocelli  prominent;  eyes  large,  convex,  hairy;  niandi- 
i)les  rufous;  3-dentate,  the  outer  tooth  a  little  the  longest.  Antennte 
10-jointed,  brown  black,  densely  inibescent;  the  scape  and  the  pedicel 
very  short,  together  scarcely  h»nger  than  tlu;  tirst  flagellar  joint;  tirst 
flagellar  joint  the  hmgest,  about  thrice  as  long  as  thick,  the  following 
nearly  etpnd,  about  twice  as  long  as  thick.  Prothorax  scarcely  visible 
from  above,  narrowed  into  a  little  neck  anteriorly;  mesonotum  without 
distinct  fiinows,  smooth ;  njetathorax  short,  smooth,  witha  slightcarina. 

Abdomen  subsessile,  small,  black,  compressed  along  the  venter. 

Legs  brown-black,  the  kuees,  tips  of  tibi<e,  and  the  tarsi  i)ale  or  yel- 
lowish. 

Wings  hyaline,  the  veins  of  tlu^  basal  cells  hyaline,  scarcely  distin- 
guishable. 

1 1  ABiTAT.— Jacksonville,  Fla. 

Type  S  in  Coll.  Ashmead. 

Labeo  typhlocybae,  sp.  nov. 

(PI.  V,  Fijj.  5,  <?.) 

S  .  Length  2.5"'"'.  Bla(;k,  subopaque,  shagreened,  covered  with  a 
spar.se  whitish  pubescence.  Eyes  densely  pubescent.  Mandibles  and 
l>alpi  yellowish.  Antenna^  and  legs  brown,  except  the  anterior  tibiie 
and  all  the  tarsi,  which  are  yellowish.  Antennae  10-jointed,  extending 
to  the  middle  of  the  metathorax,  very  pubescent;  the  pedicel  is  more 
than  twice  as  long  .as  the  scape;  the  first  flagellar  joint  two-thirds  the 
length  of  the  i)edicel;  the  fourth  and  fifth  equal  and  a  little  longer 
than  the  first;  remaining  joints,  except  the  last,  sube(pial,  the  last  a 


90  IHTLLETIN   45,  UNITKI)    STATK8    NATIONAL    MlSKl'M. 

littlr  loii};**!'.  i)oiiiti*d.  Mcsoiiutimi  with  -  furrows,  ('(niver};iiij>  ami  al- 
most iiu'ctinj;  at  tiio  base  of  the  st'iitelhiin.  Wings  hyaline,  tlu'  eosta 
and  stigma  brown,  the  other  veins  pale. 

Haiutat. — Washington,  1).  C. 

Type  S  in  National  Museum. 

K«'areil  by  Dr.  C.  V.  Kiley,  at  Washington,  D.  C,  July  L'.'i,  1S8;{,  from 
Tifphlocyba  sp.  occurring  on  Celtis  aiul  ehn. 

PHORBAS  Asliin.,  f^cn.  lutv. 
(Type  /'.  hilicc]»i  Aslnii.,  ^  .) 

Head  broadly  transverse,  wider  than  the  thorax,  but  not  especially 
thick  through  antero-posteriorly,  and  when  viewed  from  in  front 
rounded;  eyes  oblong  oval,  pubescent;  o(«'lli  .'?,  triangularly  arrange«l, 
neither  esi)eeially  small  nor  very  close  together. 

Antennae  l(>-jt)inted,  thick,  filiform,  not  longer  than  the  thorax,  pu- 
bescent, the  scape  cmly  a  little  longer  than  the  lirst  tlageUar  joint. 

Maxillary  i)alpi  o-joiuted. 

Mandibles  3  dentate. 

Thorax  as  in  AphclopuH,  but  witlumt  distinct  ])arapsidal  furrows,  tlu^ 
])rothorax  only  slightly  visible  lr(un  above. 

Front  wings  with  a  lanceolate  stigma,  two  l)asal  cells,  and  an  open 
marginal  cell. 

Abdomen  subpetiolate,  oval. 

Legs  as  in  Aphelopux. 

A  genus  describt'd  from  a  single  male  s]>ecimen,  but  the  lanceolate 
stigma  and  5  jointed  maxillary  i)alpi  will,  liowever,  distinguish  it  from 
all  other  males,  in  the  genera  in  whicli  the  males  are  known.  There  is 
a  p<>ssibility  that  it  maybe  the  opposite  sex  of  my  genus  Bocvhus,  as  it 
agrees  with  it  in  maxillary,  mandibular,  and  wing  characters,  but  other- 
wise, in  the  shape  of  the  head,  thoracic,  and  abdominal  characters,  it 
is  quite  distinct.  Of  the  otlur  genera,  it  comes  nearest  to  Aphehtpiis, 
but  the  widely  transverse  head,  absence  of  ]iarapsidal  furrows,  and  the 
lanceolate  stigma,  sufficiently  separate  the  two. 

The  single  specimen,  described  below,  was  captured  in  Florida  by 

sweeping. 

Phorbas  laticeps,  sp.  iiov. 

(PI.  V,  FiR.  7,^.) 

<? .  Length  2'""'.  Robust,  black,  subopaque,  finely  shagreened  and 
sparsely  pubescent.  Head  transverse,  uuich  wider  than  the  thorax,  the 
occiput  very  wide,  not  at  all  emarginate.  Eyes  prominent,  oval,  pu- 
bescent. Mandibles  3-deutate,  rufous.  Antenme  10-joiuted,  extending 
to  the  teguhe,  i)ube8cent,  the  scape  longer  than  the  first  flagellar  joint, 
the  flagellar  joints,  except  the  i)enultimate,  about  of  an  equal  length, 
twice  as  long  as  thick,  the  last  pointed,  the  penultimate  only  1^  times  as 
long  as  thick.    Mesonotum  with  two  faint  furrows;  scutellum  smooth, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTItYIMD.E.        91 

iinpunctunMl,  with  a  tiansveisr  Cunow  at  base;  inctatliorax  very  short, 
ol>U<iuely  truncate  hchiiid.  VVinj^s  hyaline,  without  i»ul)('S<'(Mit'e,  the 
stifjina  and  veins  whit«'  or  hyaline.  Lej^s  fuscous,  a  dot  on  knees, 
anterior  tibiae  and  tarsi  an<l  middle  and  posterior  tarsi,  yellowish  white. 
Abdomen  small,  black,  subcompressed. 

IIAIUTAT. — Jacksonville,  Fla. 

Type  (J  in  Coll.  Ashmead. 

BOCCHUS  Aslim.,  •;<ii.iiov. 
('r\]M'  a.  fiariroUix  Asliiii.,9-) 

Head  larjie,  broad,  shaped  nuu-h  as  in  I>r;/inii>i,  l»ut  the  vertex  not 
impressed,  the  oceii»ut  very  slightly  concave;  eyes  larjic  oval,  promi- 
nent; ocelli  small,  close  toj;ether  in  a  triangle.  Antenna'  10-Jointed, 
Rubtilitbrm,  very  slightly  thickened  toward  tips,  inserted  Just  above  the 
clypeus,  the  acapii  h)nger  than  the  tirst  tlagellar  joint. 

Maxillary  palpi  4  Jointed. 

Mandibles  .{-dentate,  nearly  equal,  the  inner  tooth  a  little  the  smallest. 

Tlunax  not  much  lengthened,  much  narrowed  anteriorly  and  trun 
cate  posteriorly,  the  angles  of  the  truncature  rounded;  the  ])ronotum 
is  almost  as  h)ng  as  the  mesonotum  but  much  narrower,  a  little  wider 
anteriorly  than  at  base,  only  about  half  the  width  of  the  very  broad 
head;  mesonotum  wider  than  long,  with  furrows;  scutellum  semicircu- 
lar with  a  transverse  furrow  all  across  the-  base;  metathorax  much 
shorter  than  high,  abruptly  truncate. 

Front  wings  with  a  lanceolate  stigma,  two  basal  cells,  and  an  open 
marginal  cell,  the  radius  being  long  and  »'urved. 

Abdomen  globose,  distinctly  i>etiolate,  the  ])etiole   slender,  (tylin 
drical,  as  hmg  as  the  hind  coxa*. 

Legs  as  in  J)ryinu)i,  the  anterior  tarsi  chelate,  tin'  fourth  Joint  not 
much  larger  than  the  third. 

This  genus  comes  nearest  to  Dri/inut,  hnt  is  at  once  separated  by  the 
4-jointed  maxillary  palpi,  the  dilference  in  the  shape  of  the  prothorax, 
the  globose  abdomen,  the  relative  length  of  the  anterior  tarsal  joints, 
and  by  the  vertex  of  the  head  not  being  impressed. 

Only  a  single  species  is  known,  as  follows: 

Bocchus  flavicoUis,  sp.  nov. 
(PI.  V.  Fig.  0,9-) 

9 .  Length  3'""'.  Black,  closely,  finely  pnnctnlate,  the  head  and 
mesonotum  tinged  with  brown.  Head  large,  broad,  sub(iuadrate,  not 
impressed  on  the  vertex,  a  little  narrowed  behind  the  eyes;  eyes  large. 
Prothorax  strongly  contracted,  yellow;  two  basal  joints  of  antennje, 
the  legs  and  petiole  pale  rufous;  flagellum  subclavate,  brown  blaek. 
AntenniB  10-jointed,  the  pedicel  ab(mt  half  the  length  of  the  first  Hagel- 
lar  joint,  the  first  being  about  as  long  as  the  scape,  the  remaining  joints 


92     BULLETIN  45,  UNITED  STATES  NATIONAL  MUSEUM. 

shorter  but  thicker.  The  prouotum  is  much  narrower  than  the  meso- 
notum,  although  about  as  long;  niesonotum  with  two  furrows;  scutel- 
luiu  bifoveated,  the  fovese  widely  separated  but  connected  by  a  trans- 
verse line;  inetathorax  short,  coarsely  rugose,  with  some  dorsal  raised 
lines.  Wings  hyaline,  with  a  fuscous  band  across  the  marginal  cell 
two-thirds  the  width  of  wing,  ahjost  devoid  of  pubescence;  stigma 
lanceolate;  stignuil  vein  long  curved;  abdomen  globose,  black,  petio- 
lated,  the  petiole  slender,  rufous,  as  long  as  the  hind  cox.-e,  the  second 
and  third  segments  very  large,  equal,  occupying  nearly  the  whole  sur- 
face, the  following  segments  retracted. 

Habitat. — Mar<piette,  Mich. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  single  specimen  cai)tured  by  Mr.  E.  A.  Schwarz. 

CHELOGYNUS  Ilalidfiy. 
Ent.  Mag.,  i,  p.  273  (1833). 
(Type  f.  fuMcicornis  Dalin.) 

Head  transverse,  the  vertex  broad,  convex;  the  cheeks  oblicpie,  the 
occiput  not  d<'eply  concave,  margined;  ocelli  3  in  a  triangle,  but 
widely  sei)arated ;  eyes  oval,  subprominent. 

Antennae  inserted  just  above  the  clypeus,  10-jointed,  the  flrst  flagel- 
lar joint  scarcely  as  h)ng  as  the  scape,  usually  shorter,  the  following 
joints  short,  in  S  the  following  joints  lengthened. 

Maxillary  p*.lpi  Ti-jointed. 

Mandibles  truncate  at  tips,  3-  or  4-dentate;  the  teeth  acute,  slightly 
subequal,  the  inner  tooth  the  smallest. 

Thorax  elongate;  prothorax  in  9  as  long,  or  nearlj  as  long,  as  the 
mesonotum,  subcpiadrate,  obliquely  impressed  at  sides,  in  i  very  short; 
raesonotum  usually  with  two  distinct  furrows  or  indicated  anteriorly; 
metathorax  long,  rounded  posteriorly. 

Front  wings  with  a  large  ovate  or  subovate  stigm.a,  two  basal  cells 
and  a  stigmal  vein. 

Abdomen  subpetiolate,  ovate,  the  set^ond  segment  the  largest,  the 
others  giadually  subequal. 

Legs  of  moderate  length,  the  femora  obclavate,  stout,  the  anterior 
tarsi  in  the  9  chelate. 

The  ovate  stigma  and  the  5  jointed  labial  i)alpi  snfficiently  separate 
tiiis  genus  from  Jioechus;  and  these  characters,  in  connection  with  the 
difterence  in  the  shai)e  of  the  head  and  pnmotuni,  and  the  differences 
to  be  pointed  out  in  tlu^  chehe  distinguish  it  from  Dry  in  us;  while  the 
longer  pronotum,  the  o  jointed  maxillary  palpi,  and  the  ditteiences  in 
th<}  relative  length  of  the  anterior  tarsal  joints  and  the  chelai  can  be 
depended  ui)on  to  separate  it  from  Anteon.         _     .  ._,       ^.,^  .-  ^ 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROOTOTRYPID^E.        93 

TABLE  OF  SPECIES. 

FKMALKS. 

Entirely  Mack,  the  lo-^s  rufous 2 

Ferrns^iuons,  ahdoiiieu  alouo  Ithick. 

Wiu,|?8  liyalinc,  with  a  fuscidis  band  bcnoath  Mtignia ('.  atkivkntuis  Cr. 

2.  Wings  liyaliuc,  with  a  fuscous  baud  beneath  the  stigma. 

Clypeus  rufous;  mandibles  rufous,  4-ilentate, 0.  hf:nsiia\vi  sjt.  nov. 

Clypeus  black;  mandibles  white,  3-dentate C.  canadensis  sp.  nov. 

Chelogynus  atriventris  Creas. 

Dryiniia  atriventris  Cr.,  Trans.  Am.  Ent.  Soc,  iv,  p,  193,  $  ;   Ashni.,  Ent.  Am., 
Ill,  p.  74;  Cr.,  Syn.  Ilym.,  p.  216. 

9.  Lengtli,  4.5""".  Ferruginous,  with  palo  glittering  pubescence; 
head  much  broader  than  thorax;  face,  mandibles,  and  base  of  scape 
beneath,  pale  jellowisli;  tips  of  antenna',  blackish;  pleura  with  dense 
silvery  pubescence;  metathora.v  rugulose,  posterior  face  depressed  and 
transversely  aciculated;  wings  liyaline,  with  a  dusky  band  beneath 
stiguni;  posterior  tibiae  blackish  at  tips,  their  tarsi  pale;  abdomeu 
black,  smooth,  and  polished. 

Habitat. — Texas. 

Type  ?  in  Coll.  Araer.  Ent.  Soc. 

Chelogynus  Henshaw^i  sp.  nov. 

9  .  Length,  5'""'.  Black,  shining;  head  and  prothorax  ttnely  rugose; 
iiicsonotum  and  scutellum  smooth,  polished;  metathorax  coarsely  ru- 
gose. Antennie  and  legs  pale  rufims;  the  C  terminal  joints  of  the 
antenna'  fuscous,  and  the  posterior  femora  towards  apex  above  have  a 
large  black  spot.  The  antenna;  are  10-Jointed,  filiform,  the  first  flagellar 
joint  the  longest,  alxmt  one-third  longer  than  the  scape.  Clypeus  and 
mandibles  rufi)us,  the  latter  4  dentate.  Mesonotum  with  two  shaiply 
d<'fined  furrows.  Tegular  rufous.  Wings  hyaline,  with  two  fuscous 
I  inds,  one  at  the  basal  nervure^  the  other  below  the  upper  half  of  the 
stii^raa;  veins  pale  brown.  Anterior  femora  much  swollen,  the  tarsi 
with  large  pincher-like  claws,  as  long  as  the  tibijc,  and  fringed  with  stiff 
bristles  on  the  inside. 

Habitat. — Milton,  Mass. 

Ty])e  9  in  Coll.  Ashmead. 

Described  from  a  single  s])e(!imen  received  from  Mr.  Saml.  TIenshaw. 
It  is  the  only  species  I  have  seen  with  4-dentate  uuindibles. 

Chelogynus  canadensis  sp.  nov. 
(PI.  VI,  Fig.  1,  9.) 

5.  Length,  2.5""".  Black;  head  and  collar  vary  finely  punctate, 
the  mesonotum  and  scutellum  smooth,  the  former  with  two  furrows; 
metathorax  rugose.  Face  sparsely  covered  with  glittering  silvery 
hairs.  Mandibles  and  ]>ali)i  white.  Antenna'  10  jointed,  brown,  the 
first  flagellar  joint  about  half  the  length  of  the  scape,  the  remaining 


94  BULLETIN   4r>,  UNITED    STATES   NATIONAL    MUSEUM. 

joints  very  little  longer  than  thick.  Wings  clear  hyaline,  stigma 
brown,  veins  pale  or  hyaline.  Legs  pale  rufous,  the  posterior  coxui 
blackish  basally ;  tlie  piiK'hers  of  the  anterior  feet  very  small. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashnu'ad. 

This  species  is  described  from  a  single  specimen  received  from  W. 
H.Harrington,  and  comes  nearest  to  the  European  Cfuscimrnis  Dalm. 

ANTEON  J  urine. 
Hymu.,  p.  302  (1807) ;  Forst.,  Hymn.  Stud.,  ii,  p.  93. 
Jleterolepis  Nees,  Mon.,  ii,  p.  271. 

(Type  J.  Ji(rhieanu8  Latr.) 

Head  transverse,  the  vertex  wide,  convex  or  subconvex,  the  occiput 
slightly  concave,  margined;  ocelli  in  a  triangle;  eyes  ovate. 

Antennte  inserted  just  above  the  clypeus,  lO-jointed;  in  the  9  sub- 
clavate,  the  first  flagellar  Joint  hardly  one-third  the  length  of  the  scape, 
the  following  joints  short,  the  terminal  joints  thickened  gradually; 
in  S  filiform,  pilose,  <u-  pubescent,  the  first  flagellar  as  hnig  or  shghtly 
longer  than  the  scape,  the  following  joints  all  lengthened,  cylindrical. 

Maxillary  palpi  4-jointed;  labial  palju  very  short,  2-jointed. 

Mandibles  truncate  at  tips,  3-dentate,  the  teeth  acute,  the  outer 
slightly  longer  than  the  others. 

Thoiax  subovate,  tlie  pvothorax  short,  narrowed  an<l  margined  an- 
teriorly, the  sides  oblique,  impressed;  mesonotum  usually  smooth  and 
without  distinct  furrows;  metathorax  at  least  as  long  as  wide,  rugose, 
rounded  posteriorly. 

Front  wings  with  a  large  ovate  stigma,  two  basal  cells  and  a  stigmal 
vein;  other  cells  obliterated. 

Abdomen  ovate  or  oblong-oval,  subpetiolat*?,  the  secoml  segment  the 
largest,  the  others  gradually  subequal. 

Legs  moderate,  the  fenuua  swollen  or  obdavate,  tlie  anterior  tarsi 
in  9  du'late. 

A  genus  usually  confused  with  Chelofjyuus  and  I>rijinus,  but  quite 
distinct.  It  has  not  a  particle  of  resemblance  to  Dryinus,  except  in  the 
anterior  tarsi  being  chelate.  The  shape  of  the  head,  the  short  collar, 
and  ovate  stigma  in  front  wing,  readily  separate  it  from  that  genus. 
With  Chclofjynus,  however,  there  is  a  closer  reseujblance,  but  the  prono- 
tum  is  always  nnicu  shorter,  often  only  visible  from  above  as  a  slight 
collar,  while  the  maxillary  i)alpiare  4-jointed.  In  Cheloijynus  the  pro- 
uotnm  is  always  as  long,  or  nearly  as  long,  as  the  mesonotum,  while 
the  maxillary  ])alpi  are  5-jointed. 

The  species  are  numerous,  although  nothing  i>ositively  is  known  of 
their  habits. 

The  following  table  will  afford  assistance  iu  distinguishing  our 
species:  -  '     '  '    "  - 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTKYPID.E.        95 

TAHLE   OF   SPECJIES. 

FEMALES. 

Wingn  hyaline,  not  bau<lt'd 2 

Wiiiixs  with  a  wide  «lu!sky  band  Ix-low  the  stigma. 

Head  closely,  dcustly  punetate,  opaque;   niesonotuni  Hi>ais('ly  i)unctatc;   legs 
reddish-yellow,  tarsi  white A.  iNiKASCiArrs,  s|>.  nov. 

2.  All  coxa-  pale,  except  sometimes  the  hiud  coxit 3 

All  coxa'  and  femora  black. 

Posterior  tibia'  black,  rest  of  the  legs  rufous. 

Head  coarsely  rugose;  antenniu  long, dull  rufous, densely  pilose;  mesonotuni 

with  furrows  ^ A.  Ruuosrs,  sp.  nov. 

Tibiie  and  tarsi  dull  honey-yellow,  the  tibia-  more  or  less  fuscous  at  tlu'  middle. 

Head  linely,  closely  punctulate;  antenna-  dark  brown,  the.  scape  an«l  pedicel 

rufous;  mesonotum  without  furrows 9 A.  tibialis  Say. 

3.  Hind  coxa'  blacker  at  least  basally. 

Legs  rufous,  mesouotal  furrows  indicated  only  anteriorly. 

Head  and  thorax  shining,  sparsely  irregularly  shagreeiied,  the  collar  trans- 
versely rugulose;  antenna'  brown-black,  the  scaiie  rufous.     $ 

A.  poLiTis,  sp.  nov. 
Posterior  femora  black  above,  legs  yellowish. 

Head  and  thorax  shining,  the  liead  wrinkled,  collar  rugoso-punctate  anteri- 
orly; antenna',  honey-yellow A.  pallidicoknis,  sj).  nov. 

Posterior  femora  and  tibia-  embrowned. 
Head  closely  punctate,  opac^ue,  the  thorax  sparsely  punctate,  shining;  an- 
tenna- long,  brown,  pilose,  the  scape  rufous  9 A.  itncticei'S,  sp.  nov. 

Hiud  coxa*  black  above  toward  liase,  rest  of  the  legs  rufous;  mesimotal  fur- 
rows not  at  all  indicated. 
Head  closely,  finely  punctate,  opaciue.  collar  rugulose  anteriorly,  nu^souo- 

tum  closely  microscojiically  punctate? A.  Mi.vi'rrs,  sp.  nov. 

All  coxa'  pale,  legs  reddish-yellow. 

Mesonotum  ]>oli8hed,  the  furrows  slightly  indicated  anteriorly. 

Head  finely  closely  punctate,  subopatjue,  collar  very  short,  rugujosc!  at  sides; 
antenna-  as  long  as  the-  body,  pilose,  the  second  and  third  joints  shorter 
than  the  scape,,  the  fourth  and  beyond  as  long  as  the  scape.  ^ 

A.  I'oi'ENoEi  Ashm. 

Anteon  unifasciatus,  sp.  nov. 

9  .  Length  1.8""".  Black,  shining;  the  heart  opaque, dosely,  densely 
punctured;  the  uieso- and  pronotum  more  sparsely  xmnctate,  sparsely 
pubescent,  the  latter  somewhat  transversely  rugulose  anteriorly;  nu>ta- 
thorax  rugose.  Antenna',  mandibles,  i>alpi  and  tegulii;  reddish-yellow. 
Anteniue  10  jointed,  a  little  thickened  at  tii>s,  the  scape  3i  times  as 
long  as  the  pedicel,  the  first  tlagellar  Joint  a  little  shorter  than  the 
pedicel,  the  second  and  third  nearly  equal,  much  shorter  than  the  first, 
the  remaining  joints  all  longer  and  stouter.  Wings  hyaline,  with  a 
broad  dusky  band  across  the  stigraal  region  of  the  wiug,  the  veuation 
pale  or  hyaline,  the  large  stigma  brown. 

Habitat. — Biscayne  Bay,  Florida. 

Type  9  in  National  Museum.  "'       *  —  -    —  _-^.  __  . -_..:_ 

Described  from  a  single  speciuieu  taktiii  by  E.  A.  Schwarz. 


96  BULLETIN    15,  UNITED   STATES   NATIONAL   MUSEUM. 

Anteon  rugosus,  sp.  iiov. 

S  .  Leiigtli,  4.3""".  Head  and  thorax,  except  the  disk  of  mesoiio- 
tum  and  wtutelhun,  very  coarsely  rugose,  the  niesonotuiii  and  scuteUuni 
sparsely  but  coarsely  punctate;  head  very  large  and  thick,  the  face 
with  silvery  white  hairs;  mandibles,  scai>e,  tips  of  anterior  femora, 
their  tibiae  and  tarsi,  tV'rruginous;  rest  of  legs,  ex('ei)t  the  tarsi,  black; 
tlagelluni  brown-black,  very  pilose;  wings  hyaline,  the  stigma  large, 
brown-black,  with  a  i)ale  spot  at  base;  nervures  distinct  but  pale.  Ab- 
domen very  narrow,  small,  jtolishetl,  black,  subconipressed.  Antenna'- 
10  jointed,  as  long  as  the  head  ami  thorax  united,  tapering  toward  tips, 
the  flagellar  joints  nearly  equal  in  length,  four  or  more  times  longer 
than  thick,  the  scape  thicker  and  a  little  longer  thau  the  tirst  flagellar 
joint. 

Habitat. — Illinois. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Anteou  tibialis  Say. 

liost.  Jour.,  I,  p.  284;  Lcc,  Ed.  Siiy't«  Works,  u,  ]>.  730;   Ashin.  Eut.  Am.,  ill,  p.  74; 

Cress.  Syn.  Hym.  p.  24t). 

$  .  Length,  3""".  lilack,  shining;  head  and  piothorax  finely  punc- 
tured; mesouotum  smooth,  without  furrows;  metathorax  rugoso-punc- 
tate  with  some  elevated  lines  toward  base.  Antennae  10-jointed,  fus- 
cous, covered  witii  a  short  i)ubescence,  the  scape  and  pedicel  dull  yel- 
low; flagellum  subdavate,  brown,  the  joints  after  the  flrst  less  than 
twice  as  long  as  thick.  Wings  hyaline,  the  stigma  brown,  the  neivures 
hyaline,  subobsolete,  the  stigmal  vein  very  short,  scarcely  half  the 
length  of  the  stigma.  Legs  black,  extreme  tips  of  the  femora  and  tibise 
and  tarsi  dull  honey-yellow. 

Habitat. — Indiana  and  District  of  Columbia. 

The  specimen  from  which  this  description  is  dra  n  up  was  taken  by 
Mr.  Schwarz,  and  agrees  exactly  with  Say's  description. 

Anteou  politus,  sj).  nov. 

(PI.  VI,  Fig.  2,  9.) 

9.  Length,  2.6'""^.  Polished  black;  head,  collar,  and  mesopleura 
irregularly  microscopically  shagreened  ;  metathorax  rather  coarsely 
rugose;  collar  distinct,  less  than  half  the  length  of  the  mesouotum; 
nu'sonotum  with  furrows  indicated  only  anteriorly ;  legs  (excei)t  the  pos- 
terior coxie,  which  are  black  basally,  and  the  posterior  tibia'  and  tarsi, 
which  are  fuscous)  rufous.  Antenme  10-jointed,  reaching  only  a  little 
beyond  the  teguhe,  brown-black,  the  scape  rufous;  flagellar  joints  only 
a  little  hinger  than  thick.  Wings  hyaline,  the  stigma  large,  brown,  the 
nervures  distinct  pale  yellow,  the  stigmal  vein  about  as  long  as  the 
stignui.  Abdomen  ovate,  subpetiolate,  polished  black,  depressed,  not 
•juite  as  long  as  the  thorax. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.        97 

Habitat. — Toronto,  Canada. 
Typein  Coll  Ashniead. 

l)«'scrib«!(l  from  a  sin}^U^  siHiciinon  rcci^ivort  from  Mr.  W.  llaj^ue  Har- 
rington. 

Anteon  pallidiconiis  np.  nov. 

9.  Length,  1.5""".  Black,  shining;  liead  large,  brojid,  finely  sha- 
greeiied;  collar,  inesopleura,  and  metathorax  rugose;  legs  yellowish, 
l)osterior  coxa',  their  femora,  above  and  beneath,  and  tips  of  their  tibise 
black  or  fuscous.  AntiMinui  lO-Jointed,  rather  short,  entirely  honey- 
yellow,  the  tiagelluni  a.  little  thickened  toward  tip;  first  flagellar  joint 
about  one-third  longer  than  the  pedicel,  the  tw(j  following  subequal, 
joints  4  to  7  stouter,  scarcely  long«;r  than  thick,  the  last  ovate,  nearly 
twice  as  long  as  the  penultimate.  Aresonotum  and  scutellum  i>olished, 
impunctured,  the  mesonotal  furrows  not  extended  through  to  the  scu- 
tellum. Wings  hyaline,  the  stigma  brown,  the  nervures  yellowish,  dis- 
tiiut.  Abdomen  ovate,  depressed,  polished  black,  much  narrower,  but 
as  long  as  the  thorax. 

Habitat. — Utah  Lake,  Utah. 

Type  in  Coll.  Ashmead. 

Describe'!  from  a  single  specimen  given  to  me  by  Mr.  E.  A.  Schwarz. 

Anteon  puncticeps  sp.  nov. 

i  .  Length,  1.75"'"'.  Black,  closely  punctate,  the  disk  of  the  me- 
sonotum  and  the  scutellum  i)olished,  impunctate;  head  rather  coarsely 
jmnctate;  mandibles,  palpi,  scape,  and  aut'^i  or  and  middle  legs,  pale 
or  brownish-yellow;  posterior  legs  dark  brown,  the  trochanters,  knees, 
and  tarsi  pale;  middle  tibite  a  little  dusky  cowards  tip  above.  Auten- 
me  10- jointed,  the  flagellum  brown,  pilose;  the  scape  is  three  times  as 
long  as  the  pedicel;  first  flagellar  joint  ve.y  slightly  shorter  than  the 
following,  the  following  Joints  being  3  times  as  long  as  thick.  Parap- 
sidal  furrows  only  indicated  anteriorly.  Mesopleura  and  metathorax 
rugose.  Wings  hyaline,  the  stigma  pale  brownish-yellow,  the  nervures 
distinct  but  pale;  the  stigmal  nervure  is  a  little  longer  than  the  stigma, 
angularly  bent  before  the  tip.  • 

Habitat. — Arlington,  Va.,  and  Vancouver  Island. 

Types  in  Coll.  Ashmead. 

Two  specimens.  The  specimen  from  Vancouver  was  obtained  through 
the  colle<'tor,  Mr.  H.  F.  Wickham,  the  other  was  taken  by  myself  at 
Arlington,  Va. 

Anteon  minutus  sp.  nov. 

5.     Length,  1.2™"'.     Black,  shining;  the  head  and  thorax  with  a 
close,  delicate  punctuation;    the  scutellum  smooth,  highly  polished. 
Antennje  and  legs  brownish-yellow,  the  former  dusky  toward  tips; 
21899— No.  45—7 


08  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

posterior  coxa^  above,  the  middle  tibia;  above,  and  the  posterior  femora 
and  tibia?  above,  more  or  less  piceous.  Antenna*  10- jointed,  reacliing 
to  the  tij)  of  m  etathorax,  incrassated  toward  tlie  tips,  tlie  terminal 
joint  twice  as  h)ng  as  the  penultimate;  the  pedicel  stouter  but  not 
longer  than  the  first  Hagellar  .joint,  the  joints  beyond  submoniliform. 
The  collar  is  about  one-third  the  length  of  the  mesonotnm,  above 
finely,  transversely  ruguh)se;  ni.esonotum  without  furrows;  scutellum 
smooth,  i)olished,  with  a  row  of  punctures  surrounding  the  jxjsterior 
margin;  metathorax  finely  rugose.  Wings  hyaline,  the  veins  i)ale, 
the  stigma  large,  brown,  with  a  pale  spot  at  base,  the  stigmal  vein 
short.  Abdonu'U  small,  ovate,  subpetiohite,  smooth  and  shining,  about 
as  h)ng  as  the  thorax,  excluding  the  collar. 

Habitat. — Washington,  ]).  C. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  given  to  me  by  E.  A.  Schwarz. 
The  species  is  the  smallest  known,  and  could  easily  be  mistaken  for  a 
small  AphelopuH. 

Anteon  Popenoei  Aslmi. 

Dryinun  Popenoei  Ashni.,  Bull.  No.  'A,  Kaiifs.  Exper.  Sta.,  App.,  j).  1,  .Iiiiu',  18^(8. 

^  .  Length,  2""".  Black ;  head  subopaque,  microscopically  punctuate ; 
thorax  and  abdomen  polished,  black;  metathorax  and  nu^soplcura 
finely  rugose;  the  superior  edge  of  the  truncature  in  the  former  mar- 
gined. Clyi)eus  anteriorly  arcuate,  snjooth.  Mandibles  4-dentate,  i)ale 
brown.  Antenna?  10-Jointed,  brown,  with  sparse,  long,  white  hairs; 
pedicel  small,  half  the  length  of  the  scape;  first  flagellar  joint  longer, 
but  shorter  than  the  fourth;  fourth  joint  and  those  beyond,  except  the 
last,  nearly  equal,  about  as  long  as  the  scape.  Wings  hyaline,  the 
stignKi large,  i)ale-brown,  the  stigmal  vein  short.  Legs,  including  coxie, 
reddish-yellow. 

Habitat. — Riley  County,  Kansas. 

Type  in  Kansas  State  Agricultural  (College. 

MYSTROPHORUS  Forster. 

Hyiii.  Stnd.,  ii,  p.  91  (1856);  Kiithe,  Borl.  Eiit.  ZoitN.,  la'iR,  p.  120. 
(Type  M .  formicaformis  Rtithe.) 

Head  large,  broad,  subquadratc,  nearly  twice  broader  tluui  the  tho- 
rax, the  occiput  not  emarginate;  ocelli  3,  triangularly  arranged;  eyes 
oval. 

Antenna?  in  both  sexes  K^jointed,  in  9  subclavate,  the  pedicel  small, 
the  first  flagellar  joint  a  little  longer  and  slenderer  than  the  scape,  the 
following  .shorter. 

Maxillary  ])ali»i  4-jointe(l;  labial  palpi -jointt'd.  v     ;  ' 

Mandibles  truncate  at  tips,  with  .'{  nearly  equal,  acute  teeth. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROTOCTRYPID^..        99 

Thorax  <'l<>iijjate;  the  protUorax  nearly  twice  as  hm'^  as  the  nieso- 
thorax;  iiuisoiiotniu  shoit,  seiiiicircular,  without  furrows,  the  scutelhim 
small;  luetathorax  hujie,  longer  than  the  prothorax,  no»  areolated. 

Front  wings  in  ^  short,  sptton-shaped,  with  two  basal  e»'lls,  a  stigma, 
and  a  stigmal  vein;  9  ajtterous. 

Abdomen  short,  ovate. 

Legs  as  in  Aphclopus. 

A  peculiar  little  genus,  closely  allied  to  Aphelopus,  but  rea«liiy  dis- 
tinguished by  the  long  and  broad  prothorax  and  the  absence  of  meso- 
uotal  furrows.     The  genus  is  unknown  in  our  fauna. 

APHELOPUS  Diilniaii. 

Anal.  Eut.,  pp.  S-14  (1823);  Forster  Hym.  Stud.,  ii,  p.  91, 
(Type  A.  melalriicuH  l)alni.) 

Head  transverse,  wider  than  the  thorax,  the  vertex  broad,  convex, 
the  oc<*iput  slightly  eniarginate;  eyes  large,  oval,  hairy;  ocelli  3  in  a 
triangle,  but  widely  separated,  the  lateral  ocelli  nearer  the  margin  of 
the  eye  than  to  each  other. 

Antenna^  inserted  just  above  the  clypeus,  10-jointed,  in  9  shorter 
than  in  the  S  ,  subclavate,  the  scape  very  short,  scarcely  longer  than 
the  second,  the  others  variable  iu  length,  in  S  filiform,  hairy,  the  scape 
usually  longer  than  the  third,  the  last  joint  sometimes  thi<'kened. 

Maxillary  palpi  h)ng,  5-jointed;  labial  palpi  short,  2-jointed. 

Mandibles  truncate  at  tips,  with  3  small  teeth. 

Thorax  ovoid;  the  prothorax  not  <u-  scarcely  visible  from  above; 
mesonotum  as  broad  as  long,  convex,  without  furrows;  metathorax 
not  longer  than  high,  rounded  posteriorly. 

Front  wings  with  a  large  oval  stigma,  a  short  stigmal  vein  and  two 
basal  cells,  which  are  often  subobliterated  on  account  of  the  paleness 
of  the  nervures. 

Legs  moderate,  the  femora  not  obclavate,  the  tarsi  simple  in  both 
sexes. 

TABLE   OF   SPE(;iES. 

IIeinl,  thorax,  aud  abdomen  black,  tho  head  sometimes  maculate 2 

Head  and  thorax  black,  the  abdomen  rufous. 

AutenuiB  and  legs  yellow  ? A.  rufiventris  sp.  nov. 

2.  Head  with  white  or  yellow  marks  anteriorly 3 

Head  eutindy  black. 
Clypeus  subtriau<jular. 

Lej{8  honey-yellow ;  antenna'  nearly  as  long  as  the  body,  brown,  pilose,  the 

scajie  yellow  ^ A.  amekicani's  Ashm. 

Clypeus  truncate. 
Legs  dull  rufous,  the  ])oaterior  femora  and   tib^e   fuscous  or  black;  antenuie 
much  shorter  than  the  body,  l»lack,  pilose  (J  .  A.  MELALKiicrsDalm. 


100  BITLLKTIN    45,  UNITED    STATES    NATIONAL    MrSEUM. 

3.  Head  iintt-rioily  from  a  little  aliovo  tht)  iiixert'um  (if   tin-  aiitfiiiiii-   ami   iu«luiling 
the  l(»\vi>r  part  of  rluM-ks,  tlie  clypcus.  raaiiili))Ii-s,  ami  jtaljii  wliitf. 
Clypcns  anteriorly  Irmieate. 

Anterior  ami  middle  le<j;s   white,  Hometiinrs  the  miildle  femora   fiiscoiiH,  ])ob- 
terior  h'l^s  fuscons,  with  soinetimeM  most  of   the  eox.-e,    tro<'liaiit«;rK 

and  base  of  the  femora  white  9 A.  NrKi.Ai-Krcrs  Daliu. 

Clypens  anteriorly  slijihtlv  emarfjiiiate  at  the  middle. 

Pronotum  aiid  all  le<;s,   except   th«'  apical  half  of  i>i.steiior  femora  and  their 

tihiie,  white  9 A.  ai.boi'Ictis  h]».  nov. 

Head  anteri(H-ly  from  a  litth^  above  the  iu.sertioii  of  the  antenme  and  inclndinj; 
the  lower  part  of  the  eheekK.  dypen.s,  and  mandibles,  pale  br«)wnisli 
yellow ;  palpi  white. 
ClyjK'ns  anteriorly  ar<'nate. 

Leg«  honey-yellow,  the  posterior  til»ia«  funcoiis  9 A.  akkinis  np.  nov. 

Aphelopus  rufiveiitris  sp.   nov. 

9  .  Leiifjftli,  2  """.  Ilt'sul  iin«l  tliorax  bl;wk,  iniiiiitely  imnctatc  ;  iib- 
dojiu'ii  rufous  ;  anteiiniii  siiid  lejjs  lidiiev  yellow.  Aiiteiini^  lO-joititcd, 
short,  the  tlaselluui  subchivat*; ;  s('a[n>  stout,  as  louj;  as  the  pedirel  and 
first  tiajjellav  joint  united  ;  first  tiaj,'t'llar  joint  scarcely  as  \o\\g  as  the 
pedicel,  joints  2  and  .5  sub<*(iual,  tliose  beyond  scarcely  as  long  as  thick. 
Mesouotnin  with  furrows  indhated  only  anterictrly.  Wings  hyaline, 
the  nervures,  excepting  the  stiginal,  obsolete  ;  stigma  very  large,  pale 
brown,  the  stignial  vein  very  short,  oblicjue,  only  about  one-third  as  long 
as  the  stigma.  Metathorax  roumled  ott'  ])osteriorly,  rather  coarsely 
rugose.  Abdomen  oblong-oval,  much  narrower  than  the  thorax,  but 
fully  as  long,  rufous. 

IIAIUTAT. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

A  species  readily  distinguished  by  the  color  of  the  abdomen,  the  an- 
tenme, and  the  venation  of  anterior  wings. 

Aphelopus  ainericanus  Ashui. 
Ent.  Am.,  in,  ]>.  74,  <?  ;  Cress.,  Syn.  Hym.,  p.  247. 

S  .  Length,  1.5""".  Blac^k,  subopatpie,  tiiiely  punctate,  and  covered 
with  a  fine  whitish  pubescence  ;  mesonotum  ami  scut<ellum  smooth, 
polished,  with  only  i  few  faint  widely  separated  punctures  ;  clypeus 
subtriangular.  Antenna;  10-jointed,  long,  reaching  to  the  middle  of  the 
abdomen,  the  scape  brownish-yellow,  the  tiagellum  brown,  covered  with 
u  short,  dense  pubescence,  the  joints  of  the  tiagellum  three  times  as 
long  as  thick.  Mesonotum  with  2  faint  furrows.  Wings  hyaline,  the 
stigma  large  brown,  the  other  nervures  very  pale,  or  hyaline,  the  stig- 
inal vein  being  as  long  as  the  stigma.  Legs  honey-yellow,  the  posterior 
femora  and  tibia;  fuscous  or  bhu^k.    Abd< mien  very  small,  black,  shiaiiig. 

Habitat. — Jacksonville^  Fla, 

Type  ^  in  Coll.  Ashmead. 


MONOGKAPH  OF  THE  NORTH  AMERICAN  PKOCTOTKYPID.E.      101 
Aphelopus  melaleucus  Duluiun. 

(PI.  VI,  Fig. 3,  9.) 

(lonatupits  mvlaleuciix  Daliii.,  Sv.  Ak.  Hiinill..  !S1«,  p.  «2  9  ;  Dalin.,  An.  Ent.,  p.  14. 

DriiiniiH  utrutnH  Diilm.  loc.  oil.,  p.  1.5. 

Jphelopna  mthilciiciiH  Xces..  Mon..  II,  p.  '^XH,  9  ;  Walk.,  Kut.  Mag.,  iv,  p.  J27,  pi. 

XVI,  tig.  3  9  . 
Jphclopiix  (itrutiiH  Nt'es.,  Moii.,  11,  p.  :]M!»  J  . 
Aphel<>)>iisnuI(iliiiciii'V\u>in>^..()i\  ..lXii(K\>.  179,  <?  9  ;  MarslL.Cat.  Itrit.  llym.,p.7. 

9 .  Leu^i'tli,  1.8""".  Jihuk ;  anterior  orbits,  fm-v.  below  the  eyes,  ely- 
peus,  except  sonietiuies  11  central  line,  mandibles  and  anterior  eoxa^  and 
legs,  white;  middle  legs,  honey-yellow;  posterior  legs,  except  a  spot 
beneath  the  coxa»  and  tlie  trochanters,  usually  brown  or  piceous;  an- 
tenna' brown,  the  tlagellnm  a  little  thickened  towards  th«'  tip,  the  tlrst 
four  Joints  nearly  e<pial,  the  three  following  stouter,  but  nuich  shorter, 
the  last  .joint  nearly  twice  as  long  as  the  preceding. 

S  .  Length,  1.5"'"'.  In  thi.s  sex  the  clypeus  and  the  mandibles  are 
white,  the  legs  brown  or  fusi^ous,  the  apical  half  of  anterior  femora, 
their  tibia'  and  tarsi,  honey-yellow  or  whitish;  the  other  legs  are  also 
sonietiuies  varied  with  yellow. 

llAiHTAT. — Hurope,  Canada. 

This  European  si)ecies  is  recognized  in  our  fauna  from  a  single  female, 
taken  at  Ottawa,  Canada,  by  Mr.  W.  11.  Harrington.  Monsieur  Alfred 
Giard  has  bred  it  in  France,  from  TyphJovijha  hippocastani  and  T. 
dovf/lnsi,  an<l  has  given  a  most  interesting  account  of  its  habits,  in  the 
Comptes  liendus  des  Seances  de  l'Acad«''mie  des  Sciences  for  1880. 

Aphelopus  albopictus  sp.  uov. 

9 .  Length,  1.5"'"'.  Black,  shining,  the  head  alone  finely,  closely 
punctulate,  subopaque;  face  beh)W  the  front  ocellus,  clypeus,  mandi- 
bles, lower  part  of  cheeks,  pal^u,  anterior  and  middle  legs,  pronotum  to 
the  tegula',  and  tlu^  propectus,  white  or  yeUowish  white;  posterior  legs 
embrowned,  the  coxje,  trochanters  and  base  of  femora  and  tibia',  white; 
clypeus  anteriorly  slightly  emarginate  at  the  middle.  Head  large,  sub- 
quadrate,  with  a  slight  carina  between  the  anteniue.  Antennae  10- 
jointed,  dark  brown,  slightly  thickened  toward  tips,  densely  pubescent ; 
the  first  flagellar  joint  is  a  little  longer  than  the  short  scape,  the  former 
the  stouter;  joints  4,  5,  and  (J  slightly  longer  than  the  first,  the  seventh, 
eighth,  and  ninth  shorter,  only  a  little  longer  than  wide,  the  tenth  about 
twiceas  longas  the  penultimatt\  Mesonotum  with  the  furrows  indicated 
only  anteriorly.  Metathorax  rugose,  obliipiely  rounded  otf  posteriorly. 
Abdomen  very  small,  compressed,  about  half  the  length  of  the  tliorax, 
polished,  black.  Wiugs  hyaline,  the  nervures,  except  the  large  brown 
stigma,  very  pale  and  indistinct,  or  subobsolete;  stigmal  uervure  as 
long  as  the  stigma,  slightly  arcuate. 

Habitat. — Washington,  D.  C,  and  Bladtnsburg,  Md.  -  — 

Types  in  ColL  Ashmead.  " 


102        Hn.i.iynx  45,  rN'iTKi)  statks  national  mi.skum. 

Two  six'ciiiK'Us,  Ijotli  <';iptm»'<l  l»y  Mr.  I..  A.  Scliwarz.  The  species 
coitH'S  iH'iirest  to  .1.  tuchthucKs,  but  sliows  iijoic  white,  has  a  ditlerent 
shaped  clypeus  and  with  th«\ioints  ofthti  aiiteiiiiie  rehitively  «litrere,nt. 

Aphelopus  afiiiiis,  sp.  iiov. 

9.  Leiifjtli,  2.2""",  IMa<^k,  shiiiinji;  head  and  thorax  very  minutely 
l)unetate,  nietathorax  rti<;ulose;  |ae(^  IVoiu  the  Irons,  ineludin;;-  tin-  clyp- 
eus and  inan<libles,  ferruginous;  elypeus  anteriorly  rounded;  antenna^ 
brown;  lej-s  (except  the  posterior  tibia',  which  are  fuscous),  entirely 
hoiu'y  yeHow.  Antenuie  lO.jointed,  a  little  thii^kened  toward  tips,  thl? 
sca])«'  not  lonji'er  than  the  first  tlayellar  joint,  tla,iiellar  Joints  1  to  3 
about  three  tinu's  as  lon^'  as  thick,  the  fnllowin;;'  to  the  last  about  twice 
as  lou^  as  thick,  the  last  much  lon<,'er  and  thicker  than  any  of  the 
othei'8.  Wings  hyaline,  the  stij>ina  and  sti^^inal  vein  brown,  the  other 
nervures  hyaline,  subobsolete;  the  sti{;nial  vein  is  arcuate  and  a  little 
lon<;er  than  the  stijinni.  Abdomen  as  hmg  as  the  thorax,  sti'<u*<4ly 
compressed. 

Habitat. — Canada. 

« 

Type  9  in  Coll.  Aslimea<l. 
Described  from  a  single  specimen. 

Subfamily  1 V.— C  EKAPlIRONIN.li:. 

Head  transverse,  when  viewed  from  in  front  oval,  rounded,  or  oblong. 
Ocelli  3  in  a  triangle,  rarely  wanting.  Mandibles  oblong,  bidentate  at 
tips.  Antenna'  elbowed,  inserted  at  basc^  of  the  <'lypeus;  in  males  11- 
jointed  (in  a  single  case  lO-Jointed),  tiliforin,  dentate  or  subramose;  in 
females  0-,  10-,  or  11-jointed,  tiliform  or  clavate.  Maxillary  palpi  -1- 
or  5- jointed;  lal)ial  palpi  2-  or  3  jointed.  Pronotum  short,  visible  from 
above  only  as  a  transverse  line;  mesonotuni  large,  transverse,  rarely 
without  grooved  lines,  usually  with  1,  2,  or  3  grooved  lines;  scutelluni 
large,  convex  or  subconvex,  the  axilhe  .listinct;  nietathorax  very  short, 
rounded  bel'ind,  the  angles  slightly  prominent.  Front  wings  with  a 
large  stigmated,  (u-  linear,  marginal  vein,  a  radial  uervure,  a  more  or 
less  distinct  basal  cell,  and  always  without  a  postmarginal  nervure; 
hind  wings  simple,  rather  broad  at  base,  and  entirely  veinless.  Ai^terous 
forms  frequent.  Abdomen  subsessile,  ovare,  composed  of  8  segments, 
the  second  occiiiying  about  half  its  surface,  striated  at  base.  Legs 
moderate,  the  posterior  femora  the  stoutest,  the  tibial  spurs  1,  1,  1, 
the  anterior  spur  large,  divided  into  two  prongs,  the  middle  and 
posterior  spurs  w'nik,  short;  tarsi  5-jointed,  the  claws  small,  simple. 

A  somewhat  extensive  and  widely  distributed  group,  more  closely 
allied  to  the  three  iireceding  subfamilies  than  to  those  that  follow, 
excei)t  jiossibly  the  tribe  Telenomini,  in  the  Scelioniiue,  but  with  quite 
a  different  habitus;  the  hind  wings  are  never  h)bed,  the  anterior  wings 
with  a  wholly  different  venation,  while  the  structure  of  the  thorax  and 


MONOGKAril  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.      103 

alHloiiieii  is  quite  distinct.  The  nou-lobod  liiiul  wings,  venati<m,  dif- 
fcriMit  antenna',  and  shape  of  mandibles,  at  once  separate  the  species 
in  this  group  from  the  Bethylime,  Embolemina',  and  the  Dryiniuie; 
whih'  from  the  only  two  groups  that  follow,  with  which  they  woiild 
likely  be  confused — the  Scelionime  and  the  Platygasterime,  which 
like  themselves  have  non-lobed  hind  wings  ami  the  antenme  inserted 
close  to  the  mouth — they  may  be  readily  distinguished  by  the  widely 
different  antennsB,  the  shape  of  the  head,  venation,  and  uou-carinated 
abdomen. 

If  we  accept  the  published  records  as  accurate,  this  group  has  great 
diversity  of  habits. 

Katzeburg  has  recorded  Megaspihis  sp.  from  a  bombycid,  a  syrphid, 
two  (;ecidomyiids,  a  Chermefi,  a  scolytid  and  a  tortricid ;  Ceraphron  species 
from  a  tineid,  a  Tomicus,  a  Curculio  and  a  Brachonyx;  and  a  Lygocerus 
from  a  cynipid.  Unquestionably,  so  far  as  the  hosts  are  concerned, 
some  of  these  records  are  inaccurate.  The  records  in  this  country  and 
others  published  abroad,  show  the  group  attacks  almost  exclusively 
the  homopterous  i\imi\y  Aphididxv,  and  the  dipterous  family  GeddomyiUhe. 
All  reared  by  me,  as  well  as  those  reared  by  Dr.  Riley,  except  in  a  single 
instance  (the  rearing  of  a  Lygocerus,  by  Dr.  Riley,  from  a  tortricid, 
Sarrothripa  rawayana,  which  is  of  questionable  accuracy)  have  been 
fronj  Aphids  and  Cecidomyiids.  It  is  not  improbable,  therefore,  that  a 
parasitized  Aphid  was  on  the  same  leaf  when  the  Lepidopteron  Avas 
placed  in  the  breeding  jar. 

Some  such  explanation  may  also  account  for  the  rearing  of  these  in- 
sects by  Ratzeburg  from  Lepidoptera,  and  his  rearings  from  Coleoptera 
may  be  accounted  for  by  the  supposition  that  they  were  accompanied 
by  inquilinous  Dipterous  larvse. 

To  accept  without  question  such  diversity  of  habits  in  the  genera  of 
this  group  it  seems  to  me  would  be  uuscientitic. 

The  group  seems  to  divide  naturally  into  two  tribes  distinguished 
as  follows : 

Margiual  vein  stigmated;  antenntB,  with  the  same  number  of  joints  in  both  sexes, 
U-jointed Tribe  I. — Megaspilini 

Marginal  vein  linear,  never  stigmated;  antennae  with  a  less  number  of  joints  in  the 
females  than  in  the  males;  males  with  10-  or  11-jointed  antennae;  females  9-  or 
10-jointed Tribe  II. — Cekaphronini 

Tribe  I. — Megaspilini. 

The  genera  in  this  tribe  are  not  numerous  and  may  be  tabulated  as 
follows : 

lABLE  OF  GENERA. 

""   "    ■_    -_-™_„      ,, FEMALES. 

1.   Mesonotum  without  or  with  1  or  2  impressed  lines 2 

Mesonotum  with  3  impressed  lines.  — -  

Metathorax  with  a  forked  spine  at  base Habbopeltk  Thoms. 


104  BULLETIN  45,  UNITED   STATES  NATIONAL   MUSEUM. 

Metathorax  not  spined  at  base. 
With  wings. 

Wings  bare,  without  cilia Tkichosteresis  Forater 

Wings  pubescent,  with  cilia. 
Eyes  usually  bare ;  mesonotum  not  narrowed  anteriorly. 

Lygocerus  Forster 
Eyes  pubescent;  mesouotum  narrowed  anteriorly.  ..Meuaspilus  Westw. 
Wingless. 

Maxillary  palpi  5-jointed;  labial  3-jointed ;  thorax  not  much  narrowed. 

Megaspilus  Westw. 
Maxillary  palpi  4  jointed;  labial  2-jointed;  thorax  much  narrowed. 

EuMEGASPiLUS  Ashm. 

2.  Mesonotum  with  2  impressed  lines ;   apterous Dichogmus  Thorns. 

Mesonotum  with  1  impressed  line ;  apterous. 

Eyes  small;  ocelli  wanting Lagynodes  Forster 

Eyes  large;  ocelli  present ;  winged Atritomus  Forister 

Mesonotum  without  furrows ;  subapterons. 
Eyes  large,  bare ;  ocelli  distinct Atritomus  Forster 

MALES. 

1.  Mesonotum  without  impressed  lines 2 

Mesonotum  with  3  impressed  lines. 

Metathorax  with  a  forked  spine  at  base Habropelte  Thoms. 

Metathorax  without  a  forked  spine  at  base. 

Wings  bare,  without  cilia Trichosteresis  Forster 

Wings  pubescent,  with  cilia. 

AutennsB  dentate  or  ramose Lygocerus  Forster 

Antennae  simple,  filiform. 
Maxillary  palpi  5-jointed ;  labial  palpi  3-jointed.... Megaspilus  Westw. 
Wingless. 

Maxillary  palpi  4-jointed;  labial  palpi  2-jointed.  ..Eumegaspilus  Ashm. 
Mesonotum  with  1  impressed  line  (Atritomus). 

2.  Antennae  toothed  or  serrate Atritomus  Forster 

Anteimse  with  5  long  branches,  a  branch  on  each  of  the  first  five  flagellar  joints, 

Dendrocerus'  Katzb. 

HABROPELTE  Thomson. 
6fv.,  1858,  p.  288. 
Megaapilodes  Ashm.,  Can.  Ent.,  xx,  p.  48  (1888). 

(Type  H.  tibialis  Boh.) 

Head  transverse,  the  face  not  greatly  lengthened,  occiput  margined; 
ocelli  3,  triangularly  arranged;  eyes  oval,  hairy. 

Antennae  inserted  just  above  the  clypeus,  long,  filiform,  11-jointed  in 
both  sexes,  the  scape  scarcely  as  lon«;;  as  the  first  flagellar  joint,  pedi- 
cel very  small,  hardly  longer  than  wide,  the  flagellar  joints  lengthened, 
equal  or  very  gradually  subequal. 

'  This  genus  is  unknown  to  me,  and  in  the  preparation  of  this  work  was  at  first 
overlooked.    It  was  described  and  figured  by  Ratz.  in  Die  Ichn.  d.  Forstins.,  Band 

3.  p.  181  (1852),  where  a  full  description  of  the  male,  the  only  sex  known,  is  given. 
While  apparently  closely  allied  to  Lygocerus,  I  believe  it  to  be  distinct. 


MONOGRAPH  OF  THE  NORTFI  AMEKTC  VN  PROCTOTRYPIDiE.      105 

Maxillary  ])alpi  ."i-Joiiited;  labia!  i>alpi  .'{-jointed. 

Mandibles  bidentate  at  tips. 

Thorax  subovate,  the  prothorax  not  visible  from  alwve,  contracted 
into  a  little  neck  at  the  iunction  with  tlie  head;  uH'sonotuni  snbde- 
pressed,  with  .'3  furrows;  scutellnni  lar<.fe.  subconvex,  lonj^er  than  wide, 
I'onnded  posteiiorly  and  with  a  distinct  freninn;  nietathorax  short, 
slightly  eniarginate,  with  U  teeth  at  base. 

Front  wings  with  a  larye,  oval  stignui,  a  parastignia  and  a  curved 
stigma  1  vein. 

Abdomen  subsessile,  ovate,  subctnvex  abov'e,  (convex  beneath,  the 
second  segment  «>ccupying  fidly  two-thirds  of  the  whole  surface,  longi- 
tudinally striated,  the  following  segments  very  short,  th«^  last  i>ointed. 

Legs  moden  .  pih)se,  the  fenjora  sMghtly  swollen,  the  jiosterior  i)air 
the  thickest,  tibiae  subclavate,  the  tibial  spurs  not  very  well  developed, 
tarsi  shorter  than  their  tibiae 

The  genus  is  distinguished  from  other  genera  with  3  mescnotal  fur- 
rows, by  the  2  erect  teeth  or  spines  at  the  base  of  the  metath(>rax 
the  larger  tiatteued  scutelluin,  and  the  longer,  denser  pilosity  of  the 
legs. 

Two  closely  allied  species  are  known  in  our  fauna,  separable  as  fol- 
lows : 

FKMAI.KS. 

Lej;s  Itliick,  base  aud  tips  of  tibiae  aud  tbe  tarsi,  dark  rufous. 
Autt'ima',  except  wnuetimcs  the  tirst  2  Hagellar  Joints,  black;  the  first  flajicllar 
joint  tbrice  as  lonj^  as  tbe  pedicel;  nxillie  separated  from  tbe  scutelhuu  by  "> 

larj^e  itunctures II.  akmatcs  Say 

Legs  black,  trochanters,  bases,  aud  tips  of  femora,  tibia",  except  at  tbe  middle  aud 
tarsi,  rufous. 
Antenna"  black,  tbe  si^ape,  pedicel  and  first  2  flagellar  joints,  rufous;  flie  first  fla- 
gellar joint  less  than  thrice  as  long  as  the  pedicel;  axilbe  separated    from 
the  scutellum  by  S  punctures H.  fisoipenxks  Ashui. 

MALES. 

Axilla'  separated  from  the  scutellum  by  5  large  punctures. 
First  flagellar  joint  a  little  longer  than  the  scape;  last  joint  of  palpi  nearly  twice 

as  long  as  the  fourth H.  akmatis  Say 

Axilla'  separated  from  the  scutellum  by  8  punctures. 

First  flagellar  joint  not  longer  than  the  scape;  l.wtjoiut  of  palpi  not  one-half  lonsrer 
than  the  fourth H.  fcscipenxis  Ashm. 

H.  fuscipennis  Ashm. 

MeiianpilodesfuticipeHnis  Ashm.,  Hull.  3,  Kaus.  Kx]>.  Sta.  App.,  p.  ii,  1888. 

$  9.     Length,  3.5""".     Shining  black,  pilose;  head  and  thorax  ante 
riorly  rugose,  rest  of  the  thorax  smooth,  the  face  with  a  narrow,  smooth 
space  in  front  of  the  ocelli,  antennal  depression  absent.     Maxillary 
]»alpi  long,  the  last  Joint  H  times  longer  than  the  fourth.      Antenu* 
11-jointed,  in  9  imu-assated  towanl  tips,  the  scape  long,  obchivate;  the 


106  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

scape,  pedicel,  and  first  two  flagelhir  Joints  are  browuish-yellow,  the 
first  flagellar  joint  more  than  twice  as  long  as  the  i»edicel ;  in  S  filiform ; 
the  scape  is  equal  in  length  with  the  first  flagellar  joint,  the  following 
joints  slightly  shorter,  all  black  or  dark  fusc^ous,  about  5  times  as  long 
as  thick;  last  joint  of  palpi  (me-half  longer  than  the  fourth.  Prothorax 
very  short,  narrower  than  the  mesothorax  and  bch)W  the  dorsal  line 
depressed  and  produced  into  a  sligiit  neck.  Mesothorax  truncate  be- 
fore, with  3  coarsely  punctate  furrows.  Scutellum  with  a  punctate 
frenum.  Axillse  separated  from  the  scutcllum  by  about  8  imnctures. 
Metathorax  armed  in  the  middle,  behind  the  scutcllum,  with  two  blunt 
teeth  or  spines.  Wings  fusco-hyaliu(^,  darker  beneath  the  stigma,  the 
stignial  vein  about  twice  as  long  as  the  stigma;  both  br.)wnish-black. 
Legs  dark  rufous  or  reddish-brown,  the  coxai  and  femoi-a  I  lack,  with 
sometimes  the  tibia'  bla<*k  or  dusky.  Abdomen  with  course  longitu- 
dinal striie  to  near  the  apex  of  the  second  segment. 

IIABITAT. — Washington,  1).  C;  Arlington,  Va;  Maidiattan,  Kans., 
and  Wyoming. 

Types  in  Coll.  Ashmead  and  Kansas  State  Agricultural  College. 

Described  from  several  specimens. 

Habropelte  armatus  Say. 

(Pl.vi,Fig.4,  ^.) 

CeraphroH  armatua  Say,  Bost.  Jour.,  i,  p.  276;  Le<'.  Ed.,  Say,  ii,  p.  724. 

Lygoveriis  armatus  Aslim.,  Ent.  Am.,  iii,  p.  98. 

Ceraphron  urmatns  Cress.  Syn.,  Hym.,  p.  248. 

Mcgagpilodes  nrmatus  Aslim.,  Bull.  3,  KaiiH.  Exp.  Sta.,  ir,  1888. 

TelenomuH  styyicim  Prov.  Add.  et.  ('t)rr.,  p.  189. 

S  9.  Length,  3.4  to  3.8""".  Much  like /».scf/><'Ai/j/.s',  but  may  readily 
be  separated  by  the  following  differences:  The  $  antenuic  are  usually 
black,  except  sometimes  the  first  two  flagellar  joints,  which  are  pale 
brownish,  or  at  least  beneath,  the  first  flagellar  joint  being  thrice  as 
long  as  the  pedicel ;  in  the  S  the  first  flagellar  joint  is  a  little  longer 
than  the  scape;  while  the  axilhe  are  separated  from  the  scutcllum  by 
five  large  punctures,  which  is  a  constant  character  in  both  sexes.  In 
the  S  the  last  joint  of  the  palpi  is  nearly  twice  as  long  as  the  fourth. 
The  legs  in  both  species  are  variable  in  color,  exhibiting  more  red  in 
some  specimens  than  in  others. 

Habitat. — Indiana  and  Arlington,  Ya. 

Types  in  C<dl.  Ashmead. 

Either  one  of  these  species  could  be  used  as  typical  of  Say's  species; 
but  as  Say's  type  is  no  longer  in  existence  it  devolves  upon  me  to 
designate  which  should  be  known  as  the  type,  his  descrii)tion  not  being 
sufficiently  definite  to  decide,  and  I  have,  therefore,  separated  them  as 
above. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTR  i  PID.«.     107 

TRICHOSTBRESIS  Fiirstor. 

Hyiii.  Stua.,  n,  p.  itT  (1X56). 
riiUhoneurn  Tlioins.,  Ofv.,  1858. 

(Type  T.  glabra  Boh.) 

Head  transverse,  the  face,  seen  from  before,  not  longer  than  wide, 
the  occipnt  margined;  oeelii  3  in  a  curved  line;  eyes  broadly  oval,  not 
hairy. 

Antenna*  inserted  just  above  the  clypeus,  11-jointed,  subfiliform,  the 
scajte  3  or  4  times  as  long  as  tlie  first  funiclar  joint,  the  ])edi('el  longer 
than  thick,  the  joints  beyond  the  third  short. 

Maxillary  palpi  5-jointed;  labial  palpi  3-jointed. 

jVIandibles  bidentate. 

Thorax  ovoid,  the  prothorax  not  visible  from  above:  mesonotum  not 
or  scarcely  narrowed  anteriorly,  with  3  distinct  impressed  lines;  scutel- 
luni  large,  subconvex,  longer  than  wide,  rounded  posteriorly;  meta- 
thorax  short,  rounded  posteriorly,  unarmed,  the  spiracles  large,  orbi- 
cular. 

Front  wings  entirely  bare,  without  pubescence,  with  a  large  oval 
stigma  and  a  short,  almost  straight,  stigmal  vein,  which  is  usually 
sliorter  than  the  stigma;  no  parastigma. 

Abdomen  ovate,  smooth,  the  second  segment  the  largest,  occupying 
about  half  the  length  of  the  abdomen. 

Legs  not  pilose. 

The  non-pubescent  wings  will  distinguish  the  genus  from  Lygocerns 
an<l  Megaspilu.s,  with  which  it  is  most  closely  allied. 

Only  one  species,  closely  resembling  the  European  T.ylaher  Boheman, 
is  known  in  our  fauna. 

Trichosteresis  floridanus  Ashm. 

(PI.  VI,  Fig.  5,  9.) 

Ent.  Am.  in,  p.  98;  Cress.  Syn.  Hym,  p.  313. 

5 .  Length  2.5""".  Black,  shining,  finely  alutaceous.  Antennae 
11  jointed,  dark  brown,  the  first  flagellar  joint  a  little  longer  than  the 
pedicel,  the  following  joints,  except  the  last,  scarcely  longer  than  thick, 
the  last  c<mic.  Legs  piceous  black,  the  trochanters,  knees,  tips  of 
tibiic,  an«l  the  tarsi  dai-k  honey-yellow  or  reddish.  Wings  clear  hyaline, 
without  pubescence,  the  stigma  large,  semirotund,  brown,  the  stigmal 
vein  not  quite  as  long  as  the  stigma. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

LYGOCERUS   Forster. 

__=,_  „L__^.__-:^;.     Hym.  Stud.,  n,  p.  97  (1856).  -_.I^__„-^_^_^    _,,_'...^  ■ 

rprai>/iro»  ThoniH.,  5fv.  1858,  p.  287. 

(Type  L.  ramiconiln  Boh.) 
Head  transverse,  seen  from  before,  the  face  broader  than  long,  the 


108  iniLLETIN   45,  UNITED    STATES   NATIONAL   MflSEUM. 

occiput  faintly  iiuirgiuod;  ocelli  3,  arranjjed  nearly  iu  a  straight  line; 
eyes  large,  oval,  .sniootli,  or  but  faintly  pubescent. 

Antenna;  inserted  Just  above  the  clypeus,  ll-jointed  m  both  sexes, 
the  scape  long,  extending  above  the  ocelli;  in  9  subflliform,  the  joints 
of  tiagelluni  only  slightly  longer  than  thi<'k ;  in  S  some  of  the  flagellar 
Joints  ahva3's  dentate  or  with  short  liairy  branches. 

-Maxillary  i)alpi  5  jointed;  labial  paliu  3-jointed. 

Mandibles  bidentate. 

Thorax  ovoid,  the  prothorax  not  visible  from  above;  mesonotuiu  not 
narro\ve«l  anter'orly,  with  3  impressed  lines;  scutellum  large,  longer 
than  wide,  suaconvex,  withont  a  distinct  frenuni;  metathorax  very 
short,  rounded  posteriorly. 

Front  wings  pubescer  t,  with  a  large  oval  or  semicircular  stigma, 
and  a  slightly  arcuate  stigmal  vein,  distinctly  longer  than  the  stigma. 

Abdomen  ovate,  smooth,  subpetiolate,  the  second  segiuent  the  long- 
est, not  striate  at  base. 

Legs  finely  pubescent,  but  not  pilose,  the  last  joint  of  posterior  tarsi 
not  longer  than  the  sec«md. 

A  genus  j)arasitic  principally  on  aphidsid,  and  probably  universally 
distributed. 

The  males  are  readily  separated  from  those  in  Megaspilns,  and  in  the 
other  genera  in  the  tribe  having  3  mesonotal  furrows,  by  the  ramose 
or  serrate  antennic,  while  the  females  are  separated  with  dithculty; 
the  non-pubescent  or  but  slightly  pubescent  eyes,  the  mesonotum  be- 
ing as  wide  anteriorly  as  posteriorly,  and  the  lateral  mesonotal  fur- 
rows, before  reaching  the  anterior  margin,  (curving  .somewhat  obliquely 
toward  the  anterior  angles,  will,  however,  at  once  distinguish  them. 

Our  species  are  not  numerous,  and  may  be  separated  by  the  aid  of 
the  following  table,  except  possibly  L.  triticum  Taylor,  which  at  one 
time  I  considered  to  be  identical  with  L.  {Mega,spilus)  niger  Howard, 
but  which  I  now  consider  distinct.  Miss  Taylor's  figure  of  the  male 
antenme  of  her  species  being  wholly  different  from  that  of  Mr.  How- 
ard's species : 

TABLE   OF   SPECIES. 

FEMALKS. 

Legs,  iucluding  coxfe,  uniformly  reddish-yellow L.  kloridanus  Ashm. 

Postt^rior  coxie  black ;  legs  pale  brownish. 
Antenna!  black,  scape  pale  brownish  beneath;  first  flagellar  joint  as  long  as 

the  pedicel L.  picipes,  sp.  nov. 

All  coxa*  black. 

Legs  black,  tibiiu  piceous,  knees,  anterior  tibiie,  and  all  tarsi,  honey-yellow. 
AntenniP  wholly  black ;  first  flagellar  joint  not  qnite  as  long  as  the  pedicel. 

L.  STIGMATU8  Say. 
Legs  black  or  piceous,  the  tibiic,  and  tarsi  brownish-yellow. 

Mcsopleura  almost  smooth ;  antenniw  black,  the  first  flagellar  joint  much 

longer  thai'  the  jiedicel L.  niueu  How. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     109 

LegH  brownish- yellow. 
Mesopleura  Hiuoofh  polished;  aiitonuio  black,  the  first  ihigellar  joint  not 

Iong(!r  than  pedicel L.  G-denta  rrs,  sp.  nov. 

Meaopleura  shagreened;  lirst  flagellar  joint  much  longer  than  p<'(li<'el. 

L.  rACiKicus,  wp.  nov. 

MALES. 

Ant«nnai  ramose. 
Flagellar  joints  1  to  7  ramose;  legs  uniformly  reddish-yellow. 

L.  KLoRiDANi'S  Ashm. 

Flagellar  joints  1  to  t  ramose L.  TKIIICI'M  T.iylor. 

Antenn,!'  serrate,  black. 
Flagellar  joints  1  to  5  dentate;  first  flagellar  joint  twice  as  long  as  thick. 

L.  STiCMATi's  Say. 

Flagellar  joints  1  to  ~i  dentate;  first  flagollur  joii.t  soarcely  twire  as  long  as  thick. 

Coxa!  black,  the  lej4S  brown,  with  the  anterior  tibiie  and  all  tarsi  honey-yellow. 

Stignial  vein  1^  times  as  long  as  the  stigma ,..L.  6-dkn'tatits,  sp.  nov. 

Stigmal  vein  not  longer  than  the  stigma L.  lAMFOKXicrs.  sp.  nov. 

Flagellar  joints  1  to  7  dentate ;  first  flagellar  joint  stout,  2,J  times  as  long  as  thick. 
Mesopleura  scaly-punctate L.  nigkr  How. 

Lygocerus  floridanus  Ashm. 

Chirorerus  floridaniiH  Ashm.,  Trans.  Am.  Ent.  Soc.  Mo.  Proe.,  1881,  p.  34. 
Lygocerns  liorldanus  Ashm.,  Ent.  Am.,  iii,  p.  98. 

$  9.  Length,  2  to  2.2"'"'.  Black,  closely,  finely  punctate,  sub- 
opaque;  abdomen  black,  highly  polished,  ])ointed  at  tip,  the  petiole 
striate;  legs,  including  coxa^,  reddish-yeUow.  Antenna;  in  2  brown, 
acuminate  at  tips,  the  flagellar  joints  a  little  longer  than  thick;  in  5 
flagellar  joints  1  to  7  ramose,  covered  with  sparse  long  hairs.  Wings 
hyaline,  the  stigma  large,  semicircular,  brown,  the  stigmal  vein  about 
one  and  one-third  times  as  long  as  the  stigma. 

Habitat. — Jacksonville,  Fla. 

Types,  $  and  9  ,  in  Coll.  Ashmead. 

All  my  specimens  were  reared  from  a  large  aphis  on  i>ine,  Lachnus 
australis  Ashm. 

Lygocerus  picipes,  sp.  nov. 

9.  Length,  1.8'""'.  Black,  subopaijue,  finely  shagreened;  abdomen 
black,  polished ;  legs  brownish,  piceous,  the  trochanters,  knees,  and 
tarsi  yeUowish,  hind  coxse  black.  Antennie  11-jointed,  acuminate  at 
tips,  brown  bliick,  the  scape  yellowish  beneath;  the  pedicel  is  a  little 
longer  than  the  first  flagellar  joint;  the  second  flagellar  joint  a  little 
shorter  than  the  first;  the  third  and  following  slightly  longer.  Wings 
hyaline,  the  large  stigma  dark  brown,  the  stigmal  vein  less  than  twice 
as  long  as  the  stigma.  /         >         > 

Habitat. — Ottawa,  Canada.  --    -—  3 ~        r 

Type  in  Coll.  Ashmead. 

Described  from  a  single  spe<iimeu  re<',eive<l  b't>m  W.  Hague  Harring- 
ton. 

The  color  of  the  anterior  and  middle  coxie  and  the  scape  beneath 
will  at  once  separate  the  species  from  those  that  follow. 


110  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

LygGcerus  triticum  Taylor. 

Ceraphron  triticum  Taylor,  Am.  Af?ric.  ISfifl,  p.  liOO,  f.  1  ;  Cn-ss.  Syn.  Ilyiii..  )>.  248. 

This  Hy  does  not  correspond  with  the  above  {('eniphron  (le/itriirtor  Say),  therefore 
I  have  named  it  ^i/icvuH,  from  the  hotaiiiial  name  of  wheat.  It  is  not  of  sncli  a 
shining  black  as  Mr.  S.iy'.s  liy,  Imt  is  rather  rusty  in  ijipearance  from  a  few  hairs 
scattered  over  its  body.  In  some  specimens,  when  very  fresh,  the  le<;s  have  a  bright 
tinge  of  yellow.  The  antenna^  (6,  Eig.-2)  are  tcrmcMl  sctigerons  (having  the  basal 
joint  large)  and  tlie  last  four  globular,  the  intermediate  one  lurnished  with  fonr 
long  bristles  resembling  plumes.  This  is  a  very  surt;  mark  for  distinguishing  this 
family  according  to  European  classitication.  The  eyes  an;  large  in  ]>roportion,  the 
paljii  3-joiuted.  The  fore  wings  have  snbmarginal  cells,  with  a  laint  nervure  run- 
ning to  apex.  The  under  wings  have  a  long  nervure  running  through  and  two 
smaller  ones  descending  to  the  inferior  region;  these  are  so  very  slight,  that  you  can 
only  see  their  existence  by  a  deep  8ha<le  of  the  wings  in  a  strong  light,  but  are 
evidently  nervures,  indistinct  as  they  are.  The  ovipositor  is  retractile  and  tubular. 
The  fly  deposits  her  eggs  in  the  pupa  of  the  Hessian  fly.     (  Taylor.) 

Unknown  to  inc,  and  the  abovt^  description  is  cojiied  from  the  Amer- 
ican Agriculturist.  Miss  Tayhu-  further  informs  us  that  "this  fly  can 
be  fouud  in  every  wheat  fiehl  throughout  the  country,  from  spring  to 
autumn.''  Her  description  is  very  imperfect,  and  her  tigure  of  the 
male  antenna  strongly  recalls  the  branched  antenna  of  an  Etdophus. 

Lygooerus  stigmatus  Say. 

rerflj)ftron  8/(jrr«rt'«.'«  Say.  Boston  .Journ.,  i.  p.  277;  I^ec.  ed.  Say's  Works,  ii,  p.  724. 
Lifgoceriis  atigmatim  Ashm.,  Eut.  Am.,  in,  p.  9H. 
Ceraphron  stigmatus  Cr..  Syn.  Hym.,  p.  248. 

$  9.  Length,  1.4""".  Black,  pubescent,  closely,  minutely  ])unctulate, 
subopaque;  abdomen  ovate,  pointed  at  tip,  higlily  polished,  the  petiole 
striate;  legs  i)iceous  black,  the  anterior  tibi.e  and  tarsi  and  knees  on 
middle  and  hind  legs  and  their  tarsi,  pnle  or  honey  yellow.  Antennae 
in  9  slightly  thickened  toward  tips,  the  flagellar  joints  beyond  the  third, 
scarcely  longer  than  wide ;  in  the  3  the  first  five  flagellar  joints  dentate, 
pilose,  the  first  joint  being  about  twice  as  long  as  thick,  excluding  the 
short  pedicel. 

Wings  hyaline,  the  stigma  semicircular, brown,  the  stigmal  vein  about 
If  the  length  of  the  stigma. 

Habitat. — Indiana;  Canada. 

Specimens  in  Coll.  Ashmead  an«l  National  Museum. 

Recognized  from  spe(dmens  bred  by  Mr.  James  Fletcher,  at  Ottawa, 
Canada,  from  the  raspberry  aphis. 

Lygocerus  uiger  Howard. 

Megnspihis  niger  How.,  Ins.  Life,  vol.  ii,  p.  247.,  ?,  f.  52. 
('e»-fl/>Aro« /rt^tcMm  Smith,  Rep.  N.  J.  Exp.  Sta.,  1890,  p.  502,  f.  18. 

9.  "Length,  1.0"'"';  expanse,  .'{.33'"'";  greatest  width  of  fore  wing, 
0.62""".  Scape  of  antennae  very  long,  somewhat  swollen  beyond  middle ; 
funicle  long,  curved,  all  joints  increasing  gradually  in  width  from  ped- 


MONOGRAPH  OF  THE  NORTH  AMKRICAN  PROCTOTRYPID.E.     Ill 

icel  to  club;  joint  1  of  fuuicle  somewhat  longer  than  pedicel,  Joint  3 
shorter,  joints  4  to  8  increasing  in  length  very  slightly.  Head  and 
mesouotnm  very  faintly  shagreened,  but  still  glistening;  lower  portion 
of  niesopleura  and  all  of  abdomen  perfectly  smooth.  Abdomen  sub- 
ovoid  in  shape,  acutely  pointed  at  tip.  Radial  vein  only  slightly  curved, 
extending  a  little  more  than  half  way  from  stignni  to  tip  of  wing. 
General  color  jet  black;  all  trochanters,  femora,  and  wing  veins  dark- 
brown;  all  tibiic  and  tarsi  lighter  brown."     (Hoirard.) 

The  $  is  slightly  smaller,  with  the  flagellar  joints  1  to  7  dentate,  the 
first  being  2J  times  as  long  as  thick,  excluding  the  i>edicel,  while  the 
mesopleura  are  scaly- jiunctate. 

Habitat. — United  States. 

Tj^es  in  National  Museum. 

Parasitic  on  the  wheat  aphis,  Siphonophora  avenw  Fabr. 

Allied  to  L.  stigmatus  Say,  but  relatively  larger,  and  at  once  distin- 
guished by  the  difference  in  the  length  of  the  flagellar  joints. 

Lygocerus  6-dentatus,  sp.  nov. 
(PI.  VI,  Fig.  8,  <?.) 

9  .  Length,  1.2™"*.  Black,  coriaceous,  faintly  serice<ms ;  mesopleura, 
coxte,  and  abdomen  highly  polished,  shining,  impunctured ;  legs  brown- 
ish yellow,  the  coxie  polished  black;  wings  hyaline,  the  stigma  semi- 
circular, brown,  the  stigmal  vein  1^  times  as  long  as  the  stigma; 
antennse  brown-black,  the  jicdicel  and  first  flagellar  joint  equal,  the 
last  joint  longer  than  the  pedicel. 

5  .  Length,  1.1""".  Agrees  well  with  the  9  ,  except  that  all  the  fe- 
mora and  the  posterior  tibiie  are  darker,  the  antennte  black,  the  flagel- 
lar joints  1  to  0  serrate,  with  long  hairs,  the  first  being  scarcely  twice 
as  long  as  thick. 

Habitat. — District  of  Columbia. 

Types,  3  and  9  ,  in  ]!^ational  Museum. 

This  species  is  labeled  as  having  been  bred  July  22, 1886,  from  Sarro- 
thripa  raicaymia,  on  willow ;  but  e\'idently  the  record  is  unreliable,  and 
in  all  probability  it  came  from  some  Aphidid  or  Cecidomyiid  overlooked 
by  the  recorder. 

Lygocerus  califormcus,  sp.  nov. 

S  .  Length,  1.1™"".  Black,  shining,  alutaceous;  .abdomen  piceous 
or  obscure,  rufous  basally;  legs  brown,  the  anterior  tibiae  and  tarsi 
honey- yellow,  the  coxae  black.  Antennae  black,  flagellar  joints  1  to  6 
serrate,  pubescent.  Wings  hyaline,  the  stigma  semicircular,  the  stigmal 
nervure  nearly  straight,  not,  or  scarcely,  longer  than  the  stigma. 

Habitat. — Los  Angeles,  Cal.  -..^^  -...■,,-...- ^^^-W'~ 

Type  in  i^ational  Museum. 

Described  from  a  single  $  specimen  reared  by  Mr.  A.  Koebele,  from 
a  Cecidomyiid  gall  on  Larrea  mexicana. 


112  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Tliia  spwies  oomes  quite  dose  to  L.  G-dcntatua,  but  is  distinguished 
jit  once  from  that  species  and  all  tlie  otiicrs  by  the  brevity  of  the 
stigmal  nervure  and  in  bavinj;-  tlie  abdomen  piceous  basally. 

Lygocerus  pacificus,  sj).  nov. 

9  .  Lenjftb  2.5"'"'.  Black,  opacpie,  shajTeened  or  closely  punctate; 
antenna^  long;,  black,  the  tip  of  pedicel  reddish-yellow;  first  flafjellar 
joint  lonj;,  distincrtly  h)nger  than  tlie  pedicel,  the  followinj^f  Joints  a 
little  shorter,  about  ecpial  in  length;  mesopleura  shagreened;  wings 
subhyaliue,  the  stigma  large,  oblong,  brown,  the  stigmal  vein  much 
longer  than  the  stignm;  legs  brownish-yellow,  the  coxie  black;  abdo- 
men  emarginate  at  apex,  the  ventral  valve  and  ovipositor  slightly 
prominent. 

Habitat. — Placer  County,  Cal. 

Type  in  National  Museum. 

Described  from  a  single  specimen.  It  is  the  largest  species  I  have 
as  yet  seen  in  this  genus;  and  its  size,  opa(jue  surface,  color  of  the 
legs,  and  the  shape  of  the  stigma  will  at  once  separate  it  fiom  the 
others  in  our  fauna. 

MEGASPILUS,  Westw. 

Phil,  Mag.,  I.  p.  128  (1832);  rV.rst.,  llym.  Stud.,  n,  p.  97  (1856);  Thorns.,  ofv.,  1858, 

p.  287. 

Eumeffasjnlus  Ashm.  (pars)  Can.  Eut.,  xx,  p.  48, 1888. 

(Type  if.  ahdominalis,  Boh.) 

Head  transverse,  the  occiput  margined;  ocelli  small,  in  a  triangle; 
eyes  ovate  or  long-oval,  pubescent  or  hairy. 

Antenna}  inserted  just  above  the  clypeus,  11-jointed  in  both  sexes, 
filiform  or  subflliform,  the  scape  l<mg,  the  first  flagellar  joint  usually 
much  lengthened,  the  male  with  simple  joints,  never  dentate  nor  ramose. 

Maxillary  paljii  5-jointed;  labial  palpi  3-jointed. 

Mandibles  bifid  at  tips. 

Thorax  ovoid,  the  prothorax  slightly  visible  from  above  and  produced 
into  a  slight  collar  anteriorly;  mesouotum  slightly  narrowed  anteriorly, 
with  three  impressed  lines;  scutellum  longer  than  wide,  subconvex, 
rounded  behind,  with  a  distinct  frenum ;  metathorax  short,  with  acute 
angles. 

Front  wings  pubescent,  with  alarge  subovate  stigma,  truncate  at  apex, 
the  stigmal  vein  usually  long  and  curved,  the  parastigma  slightly  de- 
veloped.   Wingless  forms  not  uncommon. 

Abdomen  ovate,  subpetiolate,  the  petiole  short,  stout,  and  strongly 
channeled,  the  second  segment  very  large,  striated  at  base. 

Legs  pilose,  the  posterior  femora  somewhat  swollen,  the  last  joint  of 
the  posterior  tarsi  longer  than  the  second. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROrTOTRYPID^.     113 

Tliis  extensive  genus  was  very  proi)eily  separated  from  Ceraphron 
Jiirine,  by  Prof.  Westwood,  as  early  as  18,?L*.  In  1856  Dr.  Arnold  Fiirs- 
ter  again  separated  from  it  the  genus  Lygorerun,  to  contain  those  species 
having  bare  eyes  and  serrate  antennae  in  the  mah's.  The  habits  of  the 
two  genera  are  identical,  and  their  structural  difterences  have  been 
sutiiciently  jwinted  out  in  my  remarks  under  the  genus  LygoceruH. 

In  1888, 1  erected  the  ge»uis  IJumeyaxpilus  for  some  wingless  forms 
which  I  now  find  are  true  Megnspili.  The  name,  however,  is  retained 
for  a  closely  allied  apterous  form,  diflfering  ia  several  particulars  from 
Mef/axpilug. 

Our  species  are  numerous,  and  may  be  distinguished  by  the  follow- 
ing synoptical  table : 

TABLE   OP  SPECIES. 
FEMALES. 

1.  Face  very  finely  closely  pnnctate  or  shagroenod 2 

Face  smootli,  polisheil,  irapunctured. 

Apex  of  abdomen  compressed,  truncate,  and  gaping  open,  so  that  the  valve)  of 
the  ovipositor  project. 
Legs  brownish -yellow ;  antennse  brown-black. 
Pedicel  shorter  than  the  first  flagellar  joint  ..M.  axomaliventris,  sp.  nov. 
Pedicel  as  long  as  the  first  flagellar  joint;  scape  and  pedicel  pale. 

M.  POPENOEI,  sp.  nov. 
Apex  of  abdomen  normal. 
Legs  brownish-yellow;  antennsB  brown-black. 

Pedicel  as  long  as  the  first  flagellar  joint M.  ambiguUS,  sp.  nov. 

Pedicel  much  shorter  than  the  first  flagellar  joint. 
Posterior  tibias  with  a  brown  streak  above M.  striatipes,  sp.  nov. 

2.  Wings  wanting  or  not  fully  developed 3 

Wings  fully  developed. 

Species  shining. 
Face  finely  shagreened  or  rugose. 
Scape  aud  legs  pale  brownish  yellow. 

Pedicel  concolorous  witli  flagellum M.  SCHWARZI,  sp.  nov. 

Pedicel  brownish-yellow. 
Face  rather  coarsely  rugose. 

Posterior  coxa^  not  black M.  marylandicus,  sp.  nov. 

Posterior  coxffi  and  femora  dusky M.  Harrington!  Ashm. 

Stigma  piceons-black,  wings  subfuscous. 

Stigma  brown,  wings  clear  hyaline M.  HYAtiNiPENNis,  Ashm. 

Species  opa<iue,  the  thorax  sometimes  subopaque. 
Face  closely  finely  puuctulate. 
Hind  coxte  black. 
Scape,  pedicel,  aud  legs  rufous,  the  posterior  femora  and  tibisB  fuscous ; 

pleura  scaly-pitnctaie M.  PKNMARICUS,  sp.  nov. 

Scape,  pedicel,  and  legs  brownish -yellow M.  virginicus,  sp.  nov. 

3.  Wings  abbreviated  and  narrow,  reaching  not  quite  to  the  middle  of  the  abdomen. 

Scape,  pedicel,  first  three  flagellar  joints,  and  legs,  pale  yellow. 
"■'  •  M.  OTTAWBN8IS  Ashm. 

.     Wings  reaching  only  to  the  tip  of  the  petiole. 

Antennae  brown-black,  scape  beneath  and  legs  brownish-yellow. 

M.  CANADENSIS  Ashm. 
21899— No.  45 8 


114  BULLETIN  45,  UNITED    STATES   NATIONAL   MUSEUM. 

MALES. 

SpocieH  Binooth,  Hhining. 
First  Hagellar  Joint  much  longer  than  tlie  second,  tho  second  and  the  following 
iit  least  thrico  as  long  us  thitk. 
•  Scape  and  legs  brownisli-yellow. 

Wings  clear  hyaline;  length  1.6""" M.  I.-KVICFPS,  sp.  nov. 

Wings  fiisco-hyaline;  length  2""" M.  AMUKurus,  sp.  nov. 

Antcniiir  wholly  brown-black,  legp  rnfons M.  caufohniCUS,  si>.  nov. 

First  flagellar. joint  not  much  longer  than  the  second,  the  second  and  the  fol- 
lowing scarcely  twice  as  long  as  thick. 
Antenna^  brown;  legs  nifous,  abdomen  piceous  or  rufous  toward  base. 

M.  I'KRGANDEI. 

MegaspiluB  anomaliventris,  sji.  nov. 

9.  Length,  2.4'""'.  Black,  shining;  head  and  thoi ax  finely  aluta- 
ceous;  antenna^,  brown-black;  legs  reddish-yellow,  the  posterior  coxii? 
a  little  dusky  ])asally;  abdomen  polished  black,  becoming  piceous  at 
apex.  Eyes  very  large,  occupying  the  greater  portion  of  the  sides  of 
the  head,  pubescent.  Antennsb  11-jointed,  the  tlagellum  flagellate,  the 
scape  long,  projecting  beyond  the  ocelli;  pedicel  small,  about  half  the 
length  of  the  first  flagellar  joint,  the  latter  the  longest  joint,  the  second 
short  than  the  first,  the  third  and  following  joints  to  the  last  stouter 
an('  nearly  of  an  equal  length,  very  slightly  longer  than  the  second, 
tliri  last  more  slender  and  a  little  longer  than  the  penultimate.  Wings 
hyaline,  pubescent,  with  a  taint  dusky  blotch  below  the  stigmal  vein, 
the  stigma  large  oval,  truncate  behind,  brown,  the  stigmal  vein  less  than 
one  and  a  half  times  as  long  as  the  stigma. 

Habitat. — Marquette,  Mich. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  single  specimen  collected  by  E.  A.  Schwarz. 

Megaspilus  Popenoei  sp.  nov. 

9  .  Length,  1 .8  """.  Black,  shining,  impunctured,  with  a  sparse  greyish 
pubescence;  scape,  pedicel,  collar,  and  legs,  including  the  coxa?,  brown- 
ish-yellow; flagellum  black,  abdomen  beneath  and  towards  base  piceous. 
Antenna;  11-jointed,  subclavate,  the  flagellum  slightly  more  than  twice 
as  long  as  the  scape;  the  first  flagellar  joint  is  equal  to  the  pedicel,  the 
second,  third,  and  fourth  shorter  than  the  first  but  stouter,  the  follow- 
ing longer  than  thick,  the  last  conic,  nearly  twice  as  long  as  the  penul- 
timate. Wings  subfuscous,  hyaline  at  base,  the  parastigma  slightly 
developed,  the  stigma  ovate,  the  stigmal  vein  about  one  and  a  half 
times  as  long  as  the  stigma;  all  the  nervures  dark-brown.  Abdomen 
longer  than  the  head  and  thorax  together,  compressed  and  gaping  open 
at  apex. 

Habitat. — Manhattan,  Kansas. 

Type  9  in  Kansas  State  Agricultural  College.  ' 

Described  from  a  single  specimen  received  from  Pro£  E.A.  Popenoe 
and  in  honor  of  whom  the  species  is  named. 


MONOGRAl'll  OF  THK  Noimi  AMKKICAN  PKOC'TOTUYIMD.E.      115 

Megaspilus  ambiguiis  >\t.  nm  . 

^  9.  Lcnjytli,  1,2  to  1,(1""".  Hltn-k,  sliiniiijn,  rmcly  iiliitiircous;  scai>o 
and  l(';;s  biuw  iiisli-vfllow.  Tlio  postcridir.oxa'  black  basally.  In  tlu'  ^ 
the  iHostciiiuni  and  Unt  collar  laterally  are  yellow.  Mandibles  an«l 
palpi  ])ale.  Antemue  ll-joint<'d,  in  9  tlu^  tla^elbun  lia^^elJate,  the 
]»edicel  and  first  llajjellar  joint  of  an  cipnil  leii<>ili.  the  tollowin;^-  to  tlie 
last  only  slightly  l<»n<;er  than  thick,  the  last  joint  two  and  a  half  times 
as  loMj;' as  thii'k;  in  the  c?  Illiforni,  the  tlaj^ellnni  black,  jiubescent,  the 
jiedicel  ami  the  tirst  tla<;ellar  Joint  toji'cther  distinctly  shorter  than  the 
seai»e;  the  first  joint  of  the  tlaj;ellnin  is  not  uioiv^  than  4  times  us  long 
as  thick,  the  second  shorter,  tin'  followin;^'  to  the  last  nearly  equal,  a 
little  less  than  thrice  as  lonj;  as  thick,  the  last  joint  abont  one-fourth 
ionyer  than  the  penultinnite.  Wings  hyaline,  very  faintly  tinged  with 
fusc<>ns,  tlu>  stigma  brown,  the  stigmal  vein  two  and  a  half  times 
the  length  of  the  stigma, 

IIAIJITAT, — Arlington,  V^a.,  and  Washington,  I),  (J. 

Types  5  9   in  Coll.  Ash  mead. 

Described  from  several  specimens  taken  by  Schwarz,  I'ergandc^  and 
myself. 

The  species  is  closely  allied  to  ,1/.  Itcrirrps,  but  it  is  slightly  larger, 
with  a  tine  alutaceous  sculpture,  and  with  a  difference  in  the  relative 
length  of  the  antennal  joints. 

Megaspilus  striatipes  s\t.  nov. 
(PI.  VI,  Fijr.  7,   9.) 

9  .  Length,  1,4"'"'.  Black,  shining;  vertex  (»f  head  and  thorax  very 
faintly  sbagreen«'d,  the  face  smooth  and  liighly  polished.  Scape  and 
legs  brownish-yellow,  the  posterior  femoia  and  tibia'  with  a  fuscons 
streak  above.  Anteunai  11-jointed,  the  tlagj'llum  Hagellate,  stout, 
black,  a  little  more  than  twice  the  length  of  the  scape;  the  scape  is 
long,  extending  beyond  the  ocelli;  the  i)edicel  is  much  shorter  than 
the  tirst  flagellar  joint;  the  latter  is  much  longer  and  slenderer  than 
the  second;  remaining  joints  widening,  but  still  all  a  little  longer  than 
thick,  the  last  very  slightly  longer  than  the  penultimate,  AVings  fus- 
cous, the  stigma  large,  brown,  the  stigmal  veiu  less  than  twice  the 
hmgth  of  the  stigma. 

Habitat. — Ottawa,  Canada. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  W.  IJague 
llarringtou. 

-  Megaspilus  Schvrarzii  sp.  nov.  -         -^     

9  .  Length,  1.8"'"',  Bla<'k,  shining,  very  finely  shagreened,  the  scutel- 
lum  smooth;  scape  and  legs  brownish -yellow;  the  propectus  piceous. 
AntenniB  11  jointed,  the  flagellum  brown-black,  about  two  and  a  half 
times  as  long  as  the  scape,  the  pedicel  a's  long  as  the  first  flagellar  joint, 
the  latter  the  narrower,  the  following  joints  to  the  last,  a  little  shorter, 


11  fi  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

but  j^iiulually  tliickriied,  the  last  Joint  twice  as  long  as  the  pemiltiniate. 
W injrs  hyaline,  tlie  stigma  brown,  tlie  stignial  vein  one  and  a  half  times 
as  long  as  the  stigma.  Abdomen  very  slightly  longer  than  the  thorax, 
smooth  and  polished,  pubescent  towaid  tip,  the  venter  Hatter  than 
usually,  the  petioh'  and  second  segment  at  base,  striate. 

IlAiniAT. — Washington,  1).  <.'. 

Type  9  in  (\dl.  Ashmead. 

Described  from  a  single  8p«*<'imen  re<'eived  from  Mr.  K.  A.  Sehwarz. 

Megaspilus  marylaiidicus  h|i.  nov. 

$  .  Length,  2.4""",  Black,  subopaque,  finely  shagreened and  s])arsely 
nubeseent;  the  scape,  pedicel,  and  h'gs  reddish-yellow.  Antenna*  11- 
jv^inted,  the  tiagellnm  brown,  slightly  i)aler  basally  not  longer  than 
twice  the  length  of  the  sca])e;  the  pedicel  yellow,  distinctly  shorter 
and  thicker  than  the  first  flagellar  Joint,  the  sec(»nd  shoit«'r  than  the 
first,  third  an«l  fourth  about  eciual,  shorter  than  the  fifth,  the  fifth  to  the 
last  about  equal,  very  slightly  longer  than  thick,  the  last  twice  as  long 
as  thick.  Wings  fuscous,  the  stigma  brown,  the  stigmal  vein  slightly 
more  than  twice  the  length  of  the  stigma.  Abdomen  a  little  longer 
than  the  head  and  thorax  together,  black,  polished,  boat-shaped  below, 
somewhat  flat  above. 

Habitat. — Oakland,  Md. 

Type  9  in  Coll.  Ashmead. 

Described  from  specimens  received  from  ]VIr.  E,  A.  Sehwarz. 

Megaspilus  Harringtoni  Anhm. 
Can.  Ent.  vol.  xx,  p.  4S. 

S  9.  Length,  li  to  2.5"'"'.  Jilack;  head  aiul  thorax  with  a  fine  reticu- 
late punctuation;  abdomen  indished  black.  Antenna'  11  Jointed,  the 
scape  and  pedicel  dull  yellow,  the  flagellum  brown  l)lack;  the  pedicel 
is  not  quite  as  hmg  as  the  first  flagellar  Joint.  Legs  dull  yellow,  the 
posterior  voxwt  black,  the  anterior  and  middle  coxa'  dusky  basally,  the 
])osterior  femora  fuscous  or  dusky.  Wings  subhyaline,  pubescent,  the 
large  stigma  and  stigmal  vein  brown. 

Abdomen  the  length  of  the  thorax,  the  petiole  yellowish. 

The  B  differs  from  ?  only  in  its  slightly  snmller  size  and  in  the  long 
filiform  antenna',  the  Joints  of  the  flagellum  being  about  four  times  as 
long  as  thick,  the  scape  yellowish  toward  the  base. 

Habitat. — Ottawa,  Canada. 

Types  S    9  in  ('oil.  Ashmead. 

The  types  were  taken  by  Mr.  W.  H.  Harrington. 

Megaspilus  hyalinipennis  A^bm. 

Ent.  Am.,  Ill,  p.  98;  Cress.  Syn.  Hyni.,  p.  313. 

9  .  Length,  2"'"'.  Robust,  black,  alutaceous,  with  a  very  sparse, 
pale  pubescence.    Antennae  11-Jointed,  filiform,  dark  brown ;  the  pedicel 


MONOGHAl'H  OF  THE  NOKTII  AMKHICAN  rROCTOTRYl'ID.K.     117 

is  ii  littlr  slioitei'  tlijiii  tlu'  lirst  tlii;;<'lliir  Joint,  tlu^  socoiid  Joint  a  little 
siioittT  tliiiii  tlie  first,  tin*  remaininj;',  cxfcpt  tin'  last,  whicli  is  lonjjer, 
sul«'<|ii:i!  witli  second.  TiOpfs  i)al«'  lnown,  tlie  tVniora  and  tibiae  luscous. 
Winjis  cU'ar  Iiyalino,  the  stigma  lar<;o,  brown,  the  stiginal  vein  alKmt 
twico  tin'  l(Mifjtli  of  the  stifjfnia.  Abdomen  polishejl  black,  pointed  and 
sparsely  jmbescent  at  tip,  the  petiole  and  second  sefjment,  at  base, 
striolate. 

HAiurAT. — Jacksonville,  Fla. 

Type  9  in  Coll.  Ashmead. 

Megaspilus  virginicus,  k]>.  nov. 

9.  Length,  2.2""".  Itobnst,  bliwk,  opa«pie,  shagreened,  with  a 
sparse  whitish  pubescence;  the  head  inon^  coarsely  shagreene<l  tlian 
the  thorax;  the  scutellum  tinely  shagieened  and  shining:  scape  and 
legs  brownish  yellow.  Antenna*.  11-Jointed,  the  tlagelJum  brt)wn-black, 
twice  the  length  of  the  scape,  the  latter  not  ext«'nding  l>ey<nid  the 
ocelli;  pedi<'el  not  quite  as  long  as  tln^  first  flagellar  Joint;  the  second 
and  third  flagellar  Joints  e<]ual,  about  half  the  length  of  the  first,  but 
stouter,  the  Joints  beyond  a  little  l<)nger  and  stouter,  the  last  not  much 
longer  than  the  penultimate.  Wings  fus<o-hyaline,  the  stigma  browu- 
bla<'k,th«^  stignml  vein  about  one  and  a  half  tinu'sas  long  as  the  stigma. 
Abdomen  as  long  as  the  head  and  thorax  together,  black,  shining,  with 
a  rather  dense,  fine  iiubescenct^  toward  apex. 

Habitat. — Arlington,  Va. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  single  smicimen. 

Megaspilus  canadensis  Ashm.  * 

EumcgaapUuK  fatiadenxix  A.slini.,  Can.  Kut.,  xx,  ji.  19. 

9.  Length,  2.2'""\  Black,  shining;  the  head  and  thorax  alutace- 
ous,  with  two  snuiU  foveje  on  each  side  of  the  front  ocellus;  occiput 
distinctly  margined;  eyes  pubescent.  Antennje  11-jointed,  subclavate, 
brown-black,  the  scape  pale  beneath,  the  first  flagellar  joint  longer  than 
the  pe<licel,  the  following  very  slightly  snbetjual  to  the  last,  the  last 
oiu»  third  longer  than  the  penultimate.  Wings  exten<ling  only  to 
tip  of  the  petiole.  Legs,  including  coxa*,  brownish-yellow.  Abdomen 
highly  polished,  the  petiole  striate. 

HA151TAT. — Canada. 

Type  9  in  Coll.  Ashmead. 

])es(rribed  from  a  single  specimen  received  from  W.  Hague  Harring- 
ton. 

Megaspilus  otta'wensis  ANhm. 

Enmeyonpilus  ottaweuxix  Ashm.,  Can.  Ent.  xx,  ji.  49. 

9.  Length,  2"""'.  Bhick,  shining,  impunctured;  eyes  large,  pu'btss- 
cent.    Antennse  11-jointed,  subclavate,  the  scape,  pedicel,  first  three 


118  BULLETIN    45,   UNITED    STATES    NATIONAL    MUSEUM. 

flagellar  joints,  uiid  the  legs  lioneyyellow.  Wings  linear,  extending 
not  ([uite  to  the  middle  of  the  abdomen.  Abdomen  black,  polished, 
with  stria'  at  base. 

IIahitat. — Ottawa,  (^anada. 

Type  $  in  (3oll.  Ashmead. 

Described  from  a  single  specimen  received  from  W.  Hague  Harring- 
ton. 

Megaspilus  laeviceps,  sp.  iiov. 

S.  Length,  1""".  Black,  highly  polished;  8cai)e  and  legs  pale 
brownish  yellow;  flagellnm  brown-black;  mandibles  black;  the  short 
petiole  and  a  streak  at  base  of  abdomen  yellowish.  Head  transverse, 
si)arsely  hairy,  the  occiput  with  a  distinct  margin,  the  face  convex, 
smooth,  shining.  Palpi  pale.  Antenuje  ll-joint<'d,  longer  than  the 
body;  the  i)edicel  and  the  first  flagellar  Joint  together  are  «s  long  as 
the  scape,  the  ])edicel  very  small,  rounded;  tlie  flagellum  is  cylindrical, 
covered  Avith  a  short,  rather  dense  i)nbescence,  the  first  joint  about  5 
times  as  long  as  thick,  the  secon<l  one-third  vShorter,  the  following  very 
slightly  shorter.  Wings  liyaline,  the  stigma  sendcircular,  brown;  the 
stigmal  vein  nearly  twice  as  long  as  the  stigma. 

Habitat. — Arlington,  Va.;  Washington,  T).  C,  and  Bladcnsburg, 
Md. 

Types,  all  S  s,  in  Coll.  Aslimead. 

A  specimen  was  taken  by  E.  A.  Schwarz  at  Bladensburg,  IVId. ;  the 
others  were  captured  by  myself  on  the  outskirts  of  Washington  and 
along  the  banks  of  the  Potomac  liiver,  in  Virginia, 

Megaspilus  califoruicus,  sp.  no  v. 

$.  Length,  2.2""".  lihutk,  smooth,  shinhig;  the  head  transverse, 
obliquely  narrowed  behind  tln'  eyes.  Antenna"!  11-jointed,  filiform, 
longer  than  the  body,  bi^own-black,  tlu>  scifi)e  long,  reaching  nuich  be- 
yond the  ocelli,  the  pedicel  very  small,  rounded,  the  first  flagellar  joint 
more  than  six  times  as  long  as  thi<*k,  the  foHowing  joints  shorter, 
subequal.  Legs  pale  rufous.  Wings  subhyaline,  the  stigma  large, 
brown,  the  stigmal  vein  two  and  a  half  times  as  hmg  as  the  stigma. 

Habitat. — California. 

Type  $   in  Coll.  Ashnu'a<l. 

Megaspilus  Pergandei,  sp.  no  v. 

S  .  Length,  1.2""".  Black,  smooth,  shining;  the  vertex  of  head  and 
thorax  faintly  alutaceus.  Antenna'  11-jointed,  slightly  longer  than  the 
body,  brown,  the  scape  not  reaching  beyond  the  ocelli,  the  pedicel 
small,  oval,  the  first  flagellar  joint  scarcely  thrice  as  long  as  thick,  the 
following  shorter,  about  twice  as  long  as  thick,  except  the  last,  which 


MONOGRAPH  OF  THE  NORTH  AMElilCAN  PKOCTOTRYTID^.     119 

is  almost  as  long  as  the  first.  Legs  rufous  or  reddish  yellow.  Wiugs 
subhyaline,  pubescent.  Abdomen  a  little  longer  than  the  thorax,  pol- 
ished black,  a  little  rufous  or  piceous  toward  base. 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

DICHOGMUS  Thomson. 

Ofv.  1859,  p.  301. 

(Type  D.  dimidlatiis  Thorns.) 

Head  large,  wider  than  the  thorax,  the  front  convex,  the  occiput 
narrowly  margined;  ocelli  3  triangularly  arranged,  the  eyes  rather 
large. 

AntennaB  inserted  just  above  the  clypeus,  11-jointed  in  both  sexes, 
in  S  longer  than  the  body,  filiform,  densely  pubescent. 

Maxillary  palpi  5-jointed;  labial  palpi  3-joiuted.. 

Mandibles  bidentate. 

Thorax  subovoid,  with  a  slight  collar,  the  mesonotum  with  2  im- 
pressed lines,  the  metathorax  very  short. 

Wings  entirely  wanting. 

Abdomen  ovate,  the  apex  slightly  pointed;  the  second  segment  very 
large,  very  faintly  stiolate  at  base. 

Legs  pubescent. 

A  European  genus  uoc  yet  recognized  in  America.  It  resembles 
Layynodes  Forster  and  Eumegaspilus  Ashm.,  but  is  easily  separated 
from  both  by  the  two  distinct  mesonotal  furrows.  I  have  seen  speci- 
mens of  the  genus  in  Europe. 

EUMTIGASPILnS  Ashm. 

Can.  Ent.,  Vol.  xx,  p.  49,  1888. 

(Type,  E.  erythrotharax.) 

Head  broadly  transverse,  across  the  eyes  twice  as  wide  as  the  thorax, 
the  occiput  distinctly  margined;  ocelli  3,  small,  triangularly  arranged; 
eyes  large,  oval,  faintly  pubescent. 

AntennjB  inserted  just  above  the  clypeus,  11-jointed  in  both  sexes; 
in  9  subclavate,  the  first  flagellar  joint  longer  than  the  pedicel ;  in  $ 
filiform,  the  first  flagellar  joint  two-thirds  the  length  of  the  scape,  the 
following  joints  lengthened,  cylindrical. 

Maxillary  palpi  4-jointed;  labial  palpi  2-jcinted. 

Mandibles  bifid. 

Thorax  narrowed,  the  prothorax  visible  from  above  only  as  a  slight 
neck;  mesonotum  trilobed;  scutellum  semicircular,  margined  behind, 
the  axillie  scarcely  traceable ;  metathorax  sliort,  truncate  behind,  the 
upper  edge  of  trnncature  margiuedf 

Wings  entirely  wanting. 


120  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Abdomen  as  in  MegtwpUus,  the  petiole  short,  striate,  the  second  seg- 
ment occupying  a  little  more  than  half  the  whole  surface,  the  follow- 
ing segments  short. 

Legs  pubescent,  the  posterior  tarsi  with  the  first  joint  fis  long  as  all 
the  remaining  joints  united,  the  last  joint  not  longer  than  the  second. 

Allied  to  the  wingless  forms  in  Megaspilus,  but  with  a  much  larger 
head,  narrower  thorax,  and  with  4-jointed,  not  5-jointed,  maxillary 
palpi.  It  has  also  a  superficial  resemblance  to  the  genus  LagynoiJes 
Forster,  but  the  thorax  in  that  genus  is  not  trilobed  and  the  male  has 
an  acute  spine  between  the  base  of  the  antennje. 

Two  species,  E.  canadensis  and  ottaicensis,  described  in  Canadian 
Entomologist,  Vol.  xx,  p.  49,  under  this  genus  I  find  are  nothing  but 
wingless  species  belonging  to  the  genus  Megaspilus.  The  genus  as  now 
restricted  will  contain  but  a  single  species,  as  follows : 

Eumegaspilus  erythrothoraz  sp.  nov. 
(PI.  VI,  Fig.  6  9.) 

9 .  Length,  1.9"™.  Head  and  abdomen  black ;  face,  scape,  thorax, 
and  petiole  pale  rufous  or  brownish-yellow ;  legs  pallid  yellow.  Head 
and  thorax  closely,  minutely  punctulate ;  petiole  striate;  pedicel  and 
flagellum  black,  the  first  flagellar  joint  longer  than  the  pedicel.  Ab- 
domen smooth,  shining,  much  longer  than  the  head  and  thorax  united. 
S  .  Length,  l.S'""".  Agrees  with  the  9  ,  except  that  the  head,  the 
pedicel,  and  the  base  of  the  abdomen  as  well  as  the  thorax  are  brown- 
ish yellow,  while  the  flagellar  joints  are  long  and  cylindrical,  the  first 
being  4  times  as  long  as  the  pedicel. 

Habitat. — Jacksonville,  Fla. 

Types  S  and  5  in  Coll.  Ashmead. 

A  pretty  and  easily  recognized  species,  apt  to  be  mistaken  for  a  La- 
gynodes,  but  readily  distinguished  from  the  characters  pointed  out  in 
the  generic  description. 

LAGTNODES  Forster. 
BeitT.  1841,  p.  46. 
ificropa  Hal.,  Ent.  Mag.  I  (1833). 

{Type  L.  pallidus  Boh.).  ' 

Head  deflexed,  when  viewed  from  in  front,  longer  than  wide,  convex, 
in  9  with  an  impression  above  the  antennte,  in  the  S  with  a  spine  be- 
tween the  antennne ;  occiput  delicately  margined;  ocelli  wanting;  eyes 
very  small,  rounded. 

AntennaB  inserted  close  to  the  clyp^us,  11-joiuted  in  both  sexes,  the 
scape  long,  longer  than  the  head,  the  podicel  more  than  twice  as  long 
as  thick,  the  flagellum  subclavate,  the  terminal  joint  not  longer  than 
thick,  submoniliform. 

Maxillary  palpi  short,  4-jointed ;  labial  palpi  2-jointed. 

Mandibles  bifid. 


MONOGKAPH  OF  THE  NORTH  AMEKICAN  PKOCTOTRYPID^.     121 

Thorax  oblong,  compressed  at  sides,  sub«!onvox  above,  the  eolhirnot 
apparent,  the  mesonotuni  witli  a  delicate  impressed  median  line,  scu- 
tellum  small,  metathorax  very  short. 

Wings  wanting. 

Abdomen  pointed  ovate,  subpetiolate,  twice  the  length  of  the  thorax 
and  much  wider,  beneath  sti(mgly  convex,  above  snbconvex,  the  sec 
tmd  segment  very  large,  occupying  about  two-thirds  of  the  whole  sur- 
face. 

Legs  pilose,  the  last  joint  of  ]»osterior  tarsi  twi<!e  as  long  as  the  sec- 
ond, claws  small,  simple. 

The  small  eyes,  absence  of  ocelli,  and  the  form  of  the  thorax,  suf- 
ficiently separate  this  genus  from  all  the  others  in  the  tribe  M<'f/(t- 
sjiiUni.  The  male  is  readily  distinguished  by  having  an  acute  spine 
between  the  antenna!. 

Only  a  single  species  has  been  recognized  in  our  fauna,  as  follows: 

Lagynodes  miuutus,  sii.  nov. 
(PI.  VI,  Fig.  10,  9.) 

9.  Length,  1  to  1.5""".  Honey-yellow  to  reddish  yeHow,  polished, 
impunctured,  sparsely  lulose;  the  antenine  basally  and  the  legs  ]>ale 
or  whitish.  Antennte  11-jointed,  thickened  toward  tips,  the  apical  joints 
brown;  the  flagellar  joints,  except  the  last,  which  is  oblong,  are  not 
longer  than  thick.  The  mesonotal  line  is  only  indicated  posteriorly,  or 
entirely  wanting.  Abdomen  with  a  few  raised  lines  at  base,  the  sec- 
ond segment  at  apex  ti  ged  with  fuscous  or  brown. 

Habitat. — Washington,  D,  C,  and  Arlington,  Va. 

Types  in  Coll.  Ashmead  and  National  Museum. 

Described  from  many  specimens  taken  by  myself  and  Schwarz. 

The  species  is  much  smaller,  more  slender,  and  paler  colored  than 
the  European  i.  rw/tts  Forster  (=X.pai/«Z«s  Boh.). 

ATRrrOMXTS  Forster. 

Kl.  Mou.,  p.  56  (1878). 

(Type  A.  eoccophagus  Forst.) 

Head  transverse,  stout,  wider  than  the  thorax,  when  viewed  from  in 
front,  wider  than  long;  eyes  large,  rounded,  prominent,  bare;  ocelli  3, 
triangularly  arranged.  ■.      v   .»"^   - 

Antennse  inscrtetl  at  the  elypeus,  11-jointed,  in  $  serrate,  in  9  fili- 
form, the  first  three  flagellar  joints  small.  .  ^ 

Maxillary  palpi  4  jointed ;  labial  palpi  2-jointed. 

Mandibles  bidentate. 

Thorax  subovoid,  the  prothorax  not  visible  irom  above;  mesonotum 
with  a  single  central  impressed  line  or  without  impressed  lines;  the 
scutellum  large,  h>nger  than  wide,  the  axilhe  usually,  but  not  always, 
separated;  metathorax  very  short,  the  angles  rounded.- 

Front  wings  as  in  Lifgocerus,  with  a  large  semicircular  stigma. 


122  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Abdoineii  ovate,  subpetiolate,  the  second  and  tliird  segments  tlie 
longest,  subequal,  the  following  short. 
Legs  as  in  Ceraphron. 

This  genus,  as  here  recognized,  dili'ers  from  Ceraphron  in  having  a 
stigniated  marginal  nervure  and  serrate  antennie  in  the  male;  and 
from  Lygoeerus  and  Meympilus  in  having,  at  the  most,  only  a  single 
mesonotal  furrow. 

Forster  characterized  the  genus  as  being  without  trace  of  a  mesono- 
tal furrow;  but,  as  [  have  found  to  be  the  case  in  Aphanogmus,  species 
probably  occur  with  and  withtmt  a  furrow. 

A  single  species  is  known  in  America. 

AtritomuB  americanus,  sp.  nov. 

(PI.  VI,  Fig.9,  <?.) 

S  .  Length,  1.3""".  Black,  shining,  feebly  microscopically  punctate; 
antenn*  brown ;  legs  reddish-brown,  the  coxie  black ;  abdomen  piceous ; 
mandibles  black  or  piceous.  Head  transverse,  a  little  wider  than  the 
thorax.  Eyes  large,  oval,  bare.  Antenuie  as  long  as  the  body,  the 
pedicel  small,  triangular,  the  tirst,  second,  third,  and  fourth  funiclar 
joints  subserrate,  the  first  the  longest,  a  little  more  than  thrice  as  long 
as  thick,  the  following  a  little  shorter.  Thorax  scarcely  narrowed  be- 
fore, with  a  delicate,  central  grooved  line.  Metathorax  rounded  be- 
hind. Wing  hyaline,  pubescent,  the  stigma  large  semicircular,  reddish 
brown,  the  stigmal  vein  a  little  longer  than  the  stigma.  Abdomen 
ovate,  as  long  as  the  thorax,  the  i)etiole  very  short,  rugose,  the  second 
segment  occupying  about  half  of  the  remaining  surface,  the  third  and 
fourth  equal,  longer  than  the  following,  the  following  very  short;  clasp- 
ers  flat,  distinctly  extended. 

Habitat. — Odenton,  Md. 

Type  S  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  by  Mr.  E.  A.  Schwarz. 

Tribe  II.— Ceraphronini. 

The  species  in  this  tribe  can  always  be  distinguished  from  those  in  the 
Megaspilini  by  the  linear  marginal  nervure  and  the  paucity  of  joints 
in  the  female  antenna;,  the  mesonotum,  at  the  most,  having  bat  a  single 
impressed  line.  •  ,  . 

The  genera  may  be  recognized  by  the  aid  of  the  following  table : 

TABLE  OF   GENERA. 

FKMALE8. 

AntennsB  9-jointed 3 

AnteniiiP  10-jointx^d. 
Wingless  forms , 2 


MONOGRAPH  OF  THE  NOUTH  AMERICAN  PBOCTOTKYPIDiE.     123 

Winged. 

Mesouutiim  with  a  median  impressed  Hue. 

Scutellum  Hat  or  snlKonvex,  with  a  marginal  freninn Cf.rapiiron  Jurine. 

8entellum  eonvcx.  aeuminate,  without  a  fn-niun APHANOCiMfs  Thorns. 

Mesouotuui  without  a  iuiTow  (=  Syuarsis  Fiirst.) Apiianogmis  Thonm. 

2.  Mesonotum  with  a  median  impressed  Hue CeuaPHKON. 

SeuteUum  Hat  or  suhconvex  with  a  freuum Cerai'UKox. 

Scutelhim  convex,  withcmt  a  freuum APHANcxiMUs. 

Mesonotum  without  a  median  furrow Aphanoomi's. 

3.  Mesouotuui  witli  amodian  impressed  Jine Nekckkaphkon,  geu.  uov. 

MALES. 

Antenna'  10- jointed 3 

Antenna;  11-jointed. 

Mesonotum  without  a  me<lian  impressed  line 2 

Mesonotum  with  a  median  imi)ressed  line. 
Scutellum  <lepressed  with  a  marginal  frenum. 

Antenna-  simple Ceraphroi^ 

Scutellum  convex,  acuminate,  without  a  frenum. 

A utenuiu  serrate Aphanogmus  Thoms. 

2.  Scutellum  convex,  acuuiiuate,  without  a  freuuiu. 

Anteniue  serrate AphaNOGMUS  Thoms. 

3.  Mesonotum  witli  a  median  imitressed  line. 

Anteunaj  fiHform Neoceraphron,  gen.  nov. 

CERAPHRON  Juriue. 

Hypi.,  p.  303  (1807). 

CaUiceras  Nees,  Men.,  Il,  p.  280,  18;  Thoms.  Ofv.,  1858,  p.  302. 
Hadroveras  Fiirst.,  Beitr.,  p.  46  (1841). 
Ceraphron  Fiirst.,  Hym.  Stud.,  ii,  p.  97,  1856. 
Megaspilidia  Ashm.,  Can.  Eut.,  xx,  p.  49  (apterous  forms). 

(Type  C.  siilcattis  Jurine.) 

Head  transverse,  when  viewed  from  in  front  oblong  or  oval,  convex, 
impressed  above  the  antenme;  ocelli  3,  tri  tigularly  arranged;  eyes 
oval. 

Antenniie  inserted  just  above  the  clypeus,  in  9  10-jointed,  subclavate, 
the  scape  long,  obclavate;  in  5  ,  ll-jointed,  filiform,  pubescent,  or 
pilose. 

Maxillary  palpi  4-.iointed;  labial  palpi  2-jointed. 

Mandibles  bidentate. 

Thor  subovoid,  the  prothorax  not  visible  from  above,  mesonotum 
with  a  ii.i'dian  impressed  line,  rarely  entirely  wanting,  the  scutellum 
elongate,  flattened  or  subcouvex,  with  a  distinct  freuum;  metathorax 
shdrt,  the  angles  acute  or  prominent,  and  with  1  or  2  teeth  at  base. 

Front  wings  pubescent,  with  a  short  linear  marginal  vein  and  a 
rather  long  curved  stigmalveiu;  apterous  individuals  of  frequent  oc- 
currence. 

Alxlomen  subsessile,  ovate,  ('ompressed  beneath,  subconvex  above 
and  longer  than  the  thorax,  the  second  segment  large,  striolate  at  base. 


124  BULLETIN    45,  UriTED   STATES   NATIONAL    MUSEUM, 

Logs  pubetsct'iit,  the  i>osterior  tarsi  witb  the  first  joint  elongate, 
joints  li-4  subequal. 

The  majority  of  the  species  in  this  genus  are  minute  and  closely  re- 
semble those  in  Aplwnofinnis  Thorns.,  although  they  are  readily  sepa- 
rated by  the  shape  of  the  scutellum,  which  is  broader,  more  tlattened,  or 
siibconvex,  without  a  frenum,  the  antenna'  in  the  males  being  lilitbrni, 
not  dentate  or  serrate,  as  in  that  genus.  Apterous  forms  are  (piite 
<'ommon  and  will  i)robably  prove  to  be  dimorphic  forms  of  the  winged 
species. 

The  records  of  rearings,  with  but  few  exceptions,  show  the  group  is 
almost  exclusively  parasitic  on  the  dipterous  family  Cecidomyida^  and 
the  homopterous  family  Aphididie. 

The  species  known  to  me  in  our  fauna  may  be  thus  tabulated: 

TABLE   OF   SPECIES. 

FEMALK8. 

Winged  forms 2 

Wingless  forms. 

Brownish  yellow,  the  vertex  of  head  fnscous C.  FUSCICEPS,  sp.  nov. 

Black,  the  base  of  abdomen  pale  or  yellowish. 

Antcnnie,  except  scape  at  base,  black C.  MiNtJTi's  Ashm. 

Wholly  black,  with  wing  pads. 

Legs  golden  yellow C.  auripes,  sp.  nov. 

2.  Wholly  black 3 

Thorax  and  abdomen  brownish  yellow,  the  head  black. 

C.  MEULNOCEPHAIiUS  Ashm. 

Head  and  thorax  black. 
Abdomen  obscure  rnfons  or  piceous,  yellowish  at  base  and  beneath. 
Shining,  but  distinctly  i>unctulate;  Bcape  rufous,  the  flagellum  black. 

C.  PALLIDIVENTRIS,  Sp.  nOV. 

Polished,  impunctured,  angles  of  metathorax  prominent;  antenuie  brownish- 
yellow,  4  or  ,"  terminal  joints  black C.  basalis,  sp.  nov. 

Head  and  thorax  brownish  yellow ;  abdomen  black ;  base  and  apex  of  front  wings 
hyaline C.  californicus,  sp.  nov. 

3,  Head  and  thorax  distinctly,  closely  punctate. 

Pleura  aciculated ;  antennae  brown ;  legs  brownish  yellow. 

0.  PUNCTATus,  sp.  nov. 
Head  and  thorax  smooth,  or  the  punctuation  exceedingly  delicate. 
Antenufe,  teguhe,  and  legs  black;  pleura  not  aciculated;   flagellum  slender, 

the  joints  all  longer  than  thick C.  UNICOLOR  sp.  nov. 

Antenna;,  togula',  and  legs  brownish  piceous;  trochanters,  tips  of  tibia>,  and  the 

tarsi  yellowish  white C.  salicicola,  sp.  nov. 

Scape,  tegulie,  trochanters,  knees,  tibiae,  and  tarsi  yellow;  flagellum  sjibcla- 

vate  C.  amplus,  sp.  nov. 

Scape  and  legs  brownish  yellow. 
--  TegulfE  black ;  flagellum  black,      , 

Wings  fuscous C.  MELANOCERU8,  sp.  nov. 

Wings  subhyaline C.  pedalis,  sp.  nov. 

Teguhepale;  antenna'  brown,  the  scape  and  pedicel  yellow;  pedicel  longer 
than  the  tirst  flagellar  joint,  smooth,  highly  polished. 
Wings  hyaline;  flagellar  joints  1  to  5  transverse,  6  and  7  quadrate. 

C.  FLA  Vise  APU8,  sp.  nov. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDvE.      125 

VVings  snbhyalino;  flagellar  joints  I  to  5  traiiaverse,  ti  and  7  lon'^er  than 

wide C.  GLAHKH,  sp.  nov. 

Te^iila' piceous ;  antenna'  fuscous;  first  flagellar  Joint  twice  as  long  as  the 

second;  wings  siiMi valine C.  caimnati's,  sp.  nov. 

Scape,  teguhe,  and  legs,  inelmling  the  coxa%  honey-yellow. 

First  llagellar  joint  only  a  little  longer  than  the  second;  wings  clear  hya- 
line  C.  MKLMPKS,  sp.  nov. 

-V        MALES. 

Wholly  Idack 2 

Not  wholly  black. 

Thorax  piceous,  collar,  base  of  abdomen,  and  legs  bright  yellow. 

('.  i,<)N<;i((>RXis,  sp.  nov. 

Thorax  black,  base  of  abdomen  pale C.  j«a.salis,  sp.  nov. 

2.  Distinctly  punctate. 

Scape  and  legs  yellow C.  PUNCTatus,  sp.  nov. 

P'aiutly  pnn(!tate  or  nearly  smooth. 

Antenna'  black V.  cakinatus,  sp.  nov. 

Smooth,  polished,  iuipunctat*-. 

Head  and  abdomen  black,  the  thorax  piceous. 
Antennic  dark  brown,  the  scape  Ix-neath  and  legs,  pale  yellow. 

C  GLABEB,  sp.  nov. 

Ceraphron  fusciceps  sp.  nov. 

9  .  Length,  1'""'.  Browuisli-yellow  or  liouey-yellow,  the  head  more 
oi  less  fuscous  on  vertex;  eyes  and  tlagellum  bhick  or  brown-black; 
mesopleura  sometimes  tinged  with  fuscous.  Head  and  thorax  micro- 
scopically punctulate;  scutellum  finely  striate  at  base;  fiagellum  sub- 
clavate,  the  pedicel  more  than  twice  as  long  as  the  first  flagellar  joint, 
flagellar  joints  2  to  6  transverse,  the  7th  quadrate,  the  last  fusiform, 
thrice  as  long  as  the  7th. 

Haiutat. — District  of  Columbia  and  Oakland,  Md. 

Types  in  Coll.  Ashmead. 

Described  from  3  specimens. 

Ceraphron  minutus  Aslini. 
AIega8]>ilidcn  mhiiila  Aslim.,  Can.  Ent.,  xx,  ]».  45). 

9.  Length,  l.li""".  Black;  abdojnen  fuscous,  yellowish  at  base  and 
beneath;  scape  and  legs  yellow.  The  head  and  thorax  are  closely, 
minutely  punctulate;  abdomen  at  extreme  base  striate;  pedicel  and 
flagellum  black,  subdavate;  pedicel  twice  the  length  of  first  flagellar 
joint;  flagellar  joints  2  to  5  transverse,  the  7th  quadrate;  8th  or  last 
fusiform,  three  times  as  h>ng  as  the  7th. 

Habitat. — Ottawa,  Canada.  v^^  % 

Type  in  Coll.  Ashmead. 

One  specimen;  received  from  Mr.  W.  Hague  Harrington. 

Ceraphron  auripes,  sp.  nov. 

9.  Length,  1""".  Black,  shining;  scape  brownish-yellow;  legs 
bright  yellow.     Head  and  thorax  minutely,  closely  punctulate;  wings 


126  BULLETIN   45,  UNITKD    STATES   NATIONAL   MUSEUM. 

but  sliglitly  developed,  ext«Mnliii}^  to  the  base  of  the  iibdomen;  abdo- 
men highly  polished  black,  more  than  twice  tlu^  lengtli  of  the  thorax; 
tlagellum  sub<'-lavate,. joints  li  to  4  transverse,  the  otli  larger,  trans- 
verse, tlie  6th  and  7th  quadrate,  the  last  fusiform,  tlirice  as  long  as 
the  7th. 

Hawitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  VV.  Hagu*'!  Har- 
rington. 

Ceraphron  melanocephalus  Ashiii. 

Copidofiomd  mehniocephahim  Asliiii.  Trans.  Am.  Ent.  Soc,  Vol.  xm,  j*.  131. 

9.  Lengtli,  1.2""".  Head  black;  thorax  abdomen  and  legs,  brown- 
ish-yellow; flagellum  black,  paler  or  brownish  at  base.  Head  and 
thorax  closely  minutel}'  punctate,  the  occiput  with  a  delicate  median 
carina  from  the  ocelli;  Hagellum  clavate,  the  3  terminal  joints  being 
very  large  and  thick  and  as  long  as  all  the  others  (excepting  the  sca])e) 
united  the  funicle joints  1' to  .")  transverse;  first  club  joint  quadrate, 
the  second,  a  little  longer  than  wide,  the  last  not  cpiite  thrice  as  long 
as  the  second.     Wings  subhyaline. 

Habitat. — »Tacksonville,  Fla. 

Type  in  C<dl.  Ashmead. 

Described  from  one  specimen  reared  May,  188.j,  from  the  Cynipid  gall 
Belonocnema  Treatw  Mayr. 

Ceraphron  pallidiventria  si».  iiov. 

9.  Length,  l.r»"'"'.  Head  and  thorax  black,  shining,  faintly  sha- 
greened;  abdonum  obscure  rufous  or  pii-eous  above,  at  base  and 
beneath  yellow;  S(  ;ii>e,  pedicel  beneath  and  al  tij),  and  legs,  pallid- 
yellow;  tegulic  yellowish ;  wings  hyaline,  the  stigmal  vein  yellowish, 
long  and  curved,  forming  almost  a  closed  nmrginal  cell;  marginal  vein 
brownish. 

Autennai  lO-jointed,  the  flagellum  subdavate,  brown-black;  scape 
long,  half  the  lengtli  of  the  flagellum;  pedicel  a  little  longer 
than  the  first  flagellar  joint;  second  flagellar  joint  scarcely  two  thirds 
the  length  of  the  flrst;  the  third,  fourth  and  fifth,  transverse,  but  in- 
creasing in  length  and  width,  the  sixth,  quadrate,  the  seventh,  oblong- 
quadrate,  the  last  fusiform,  as  long  as  the  two  x)receding  joints  united. 
Angles  of  metathorax  tubercular,  the  metapleuia  finely  rugose, 
bounded  by  a  carina  above.  Abdomen  a  little  longer  than  the  head 
and  thorax  together,  pointed  at  tip  and  subcompressed  at  apex  be- 
neath.     .^,^-^,,-..=,^—-=-^-;~^.- -.--,.=—-—  ■.--:,---    -   ^-^■■--..  .--,-. --^-  -  --  --         --— ,- 

HABITAT. — Fort  Pendleton,  Md. 

Type  in  ('oil.  Ashmead. 

Described  from  a  single  specimen  taken  by  Mr.   E.  A.   Schwarz. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     127 

The  species  comes  nearest  to  C.  hanalh,  but  u  is  slightly  larger,  tlie 
relative  length  of  the  flagellar  Joints  different,  the  legs  pallid  yellow, 
the  wiugs  hyaline,  while  the  sculpture  is  wholly  different. 

Ceraphron  basalis,  ap.  nov. 

$  9  ,  Length,  0.8  to  1.2""".  Head  and  thorax  polished  black ;  ab- 
domen rufous  or  nifo-piceous,  yellowish  at  base;  scape,  and  somt'times 
the  pedicel,  and  two  or  three  of  the  basal  flagellar  joints,  aud  the  legs 
yellow  or  brownish-yellow.  Wings  subhyaline,  slightly  tinged,  the 
stigmal  vein  long,  curved.  In  the  9  the  flagellum  is  twice  the  length 
of  scape,  subcluvate,  the  joints  2  to  5  transverse,  the  5th  longer  and 
wider  than  the  4th,  Cth  and  7th  quadrate,  the  last  fusiform,  as  long  as 
the  0th  and  7th  united.  In  the cJ  the  flagellum  is  filiform,  IJ  times  as 
long  as  the  body,  or  about  5  times  as  long  as  the  scape,  pale  brown,  the 
first  joint  the  longest. 

Habitat. — District  of  Columbia  and  Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Described  from  8  specimens  (2^09  ),  collected  by  Mr.  E.  A.  Schwarz 
and  myself. 

Its  smaller  size,  very  highly  polished,  impunctate  surface,  and  the 
difference  in  the  antenna  and  color  of  wings  at  once  distinguish  it 
from  C.  pallidiventris. 

Ceraphron  califomicus,  sp.  nov. 

9.  Length,  0.8"'"*.  Head  and  thorax  brownish-yellow;  abdomen 
black;  eyes  brown.  Antenna  10-jointed,  two-thirds  the  length  of  the 
body,  the  flagellum  brownish  beyond  the  first  joint;  scape  a  little  longer 
than  half  the  length  of  the  flagellum;  pedicel  and  first  flagellar  joint 
equal,  nearly  twice  as  long  as  the  second"^  last  joint  as  long  as  the 
pedicel.  Thorax  shining,  but  feebly,  minutely  punctulate.  Wings 
hyaline  at  base  and  apex,  fuscous  from  the  basal  third  to  near  the 
apex. 

Habitat. — Folsom,  Cal. 

Type  in  National  Museum. 

One  specimen;  taken  by  Mr.  A.  Koebele,  July  12,  1885. 

Ceraphron  punctatus,  sp., nov. 
(PI.  vii,  Fig.  2,  9.) 

S  9 .  Length,  1.1  to  l.G""".  Black,  finely,  closely  punctate,  sub- 
opaque;  antennte  10-jointed,  brownish-yellow,  the  apical  half  fuscous 
or  black ;  scape  obclavate,  nearly  two- thirds  the  length  of  the  flagellum ; 
pedicel  longer  than  the  first  flagellar  joint;  flagellum  slightly  incras- 
sated  toward  tip;  first  joint  twice  as  long  as  thick;  joints  2  to  5 
transverse,  sixth  and  seventh  very  little  longer  than  wide,  the  last  joint 
fusiform,  as  long  as  the  two  preceding  united.  Vertex  with  a  slight 
grooved  line  between  the  lateral  ocelli.    Eyes  pubescent.    Mandibles 


128  BULLETIN   45,  UNITED    8TATE8    NATIONAL    MUSEUM. 

pale  rufous.  Mosoiiotuiii  with  a  central  impressed  line.  Pleura 
sliiiiiii}?,  but  more  or  less  aeieulated.  Metatliorax  rugose,  very  Hhort, 
the  posterior  anj^les  toothed.  Teguhe  dull  rufous  or  i)ieeous.  Wings 
subfuseons,  the  venation  pieeous,  the  stignial  nervure  long,  slightly 
curved,  about  three  times  as  long  as  the  linear  marginal  vein,  and  form- 
ing almost  a  elosed  marginal  eell.  Kegs,  including  coxa-,  browidsh- 
yellow.  Abdomen  stout,  longer  than  the  head  and  thorax  united, 
polislied  black,  with  a  slight  striated  elevation  at  base  of  the  second 
segment  above. 

The  (5  agrees  with  the  5 ,  except  that  the  abdomen  is  shorter  and 
slightly  pieeous  at  base,  the  antennae  filiform,  ll-jointed,  the  scape  and 
legs  brownish-yellow,  while  the  tlagellum  is  brown.  The  antenna'  are 
as  long  as  the  body,  the  scape  as  long  as  the  first  three  flagellar  joints 
united ;  i)edicel  very  small ;  first  flagellar  joint  slightly  more  than  twice 
as  long  as  thick,  a  little  stouter  than  the  others,  and  subequal  with 
the  last  joint,  the  latter  the  longer  joint;  the  three  following  joints  are 
subequal,  the  four  following  gradually  become  a  little  longer,  the  last 
very  slightly  h)nger  than  the  first. 

Habitat. — Virginia,  Maryland,  and  District  of  Columbia. 

Types  in  Coll.  Ashmead  and  National  Museum. 

Described  from  many  specimens. 

Ceraphron  unicolor,  sp.  nov. 

9  .  Length,  2  to  li.l""".  Wholly  black,  shining,  the  articulations  of 
the  legs  and  the  tarsi  alone  pale  brown  ;  head  and  thorax  faintly  sculp- 
tured ;  face  deeply  impressed  above  the  insertion  of  antenna*,  with 
a  grooved  line  extending  forward  from  the  front  ocellus ;  eyes  large, 
pubescent.  Antenn;e  lO-jointed,  slender,  the  scai)e  long,  obclavate,  a 
little  longer  than  half  the  length  of  the  flagellum  ;  first  flagellar  joint 
longer  than  the  pedicel,  about  four  tinu's  as  long  as  thick,  the  second 
two  thirds  the  length  of  the  first,  the  two  fidlowing  subequal,  those  be- 
yond longer,  at  least  2^  times  as  long  as  thick,  the  last  joint  being  the 
longest,  and  longer  than  the  first.  Thorax  with  a  central  grooved  line, 
which  is  subobsolete  anteriorly.  Post-scutellum  toothed.  Metatliorax 
very  short,  with  the  posterior  angles  acute.  Wings  subfuseons;  the 
stigmal  vein  long.  Abdomen  stout,  highly  polished,  black,  as  long  as 
the  head  and  thorax  together,  with  a  striate  space  at  base. 

Habitat. — Cheyenne,  Wyo.,  and  Alta,  Utah. 

Types  in  Coll.  Ashmead. 

A  single  specimen  of  this  species  was  taken  by  Schwarz  in  Utah, 
and  another  by  Wickhara  in  Wyoming. 

Ceraphron  salicicola,  sp.  nov. 

9.  Length,  0.0" '".  Black,  shining,  feebly  punctate;  face  emargi- 
nate;  anteniiiii  <lark  brown;  ]»edicel  yellow  at  apex,  as  long  as  the  first 
and  second  flagellar  joints  together;  flagellum  subclavate,  the  joints 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     129 

gradually  widening  after  the  second,  tlui  last  ovate,  about  as  long  as 
the  two  prece«ling  joints  united.  Legs  brown;  the  trochanters,  siwt 
on  knees,  tip  of  tibial  and  the  tarsi  yellowish-white.  Wings  hyaline, 
iridescent,  pubescent.     Abdomen  piceous-black,  shining. 

Uabitat. — Los  Angeles,  Cal. 
•   Type  in  National  Museum. 

A  single  specimen,  labeled  as  having  been  "bred  from  old  willow 
wood  partly  covered  with  fungus  and  infested  with  t'olopterous  larva'. ' 

In  all  probability,  with  the  coleopterous  larvse  were  associated  Dip- 
terous larvaj  from  which  the  Ceraphron  came. 

Ceraphron  ampluB,  sp.  nov. 

9  .  Length,  2.2'""'.  Polished  black,  but  showing  some  faint  micro- 
scopic punctures;  face  deeply  emarginated ;  vertex  with  a  grooved  line 
between  the  lateral  ocelli;  eyes  pubescent;  mandibles  brownish;  legs 
brownish-yellow;  the  coxje  black;  the  femora  and  tibi.e  dark-brown  or 
fuscous  at  the  middle.  Antennse  10-joiMted,  black,  with  a  yellow  ring 
between  the  pedicel  and  the  first  funi(!le  joint.  Scape  long,  obclavate, 
as  long  as  the  pedicel  and  the  first  three  funicle  joints  united;  tiagel- 
lum  subclavate,  the  first  joint  being  as  long  as  the  pedicel,  the  second, 
about  two-thirds  the  length  of  the  first,  the  following  to  the  penulti- 
mate subequal,  the  per  iiltimate  longer  than  preceding  joint,  or  about 
two-thirds  the  length  of  the  last,  which  is  long,  very  slightly  longer 
than  the  first.  Thorax  with  a  central  grooved  line.  Metathorax  with 
the  angles  but  slightly  prominent,  the  post-scutellura  toothed.  Wings 
subfuscous,  the  stigmal  vein  long  and  curved.  Abdomen  long  and 
stout,  longer  than  the  head  and  thorax  together,  pointed  at  tip,  the 
second  segment  occupying  fully  half  the  whole  length  of  the  abdomen, 
with  striae  at  base. 

Habitat. — Washington,  D.  C. 

Type  in  Coll.  Ashmead. 

Ceraphron  melanocerus,  ap.  nov. 

9  .  Length,  1.6"'™.  Polished  black ;  legs  brownish-yellow,  the  coxse 
and  femora  obfuscated  or  fuscous;  face  with  an  antennal  impression 
and  a  deep  grooved  line  in  front  of  the  front  ocellus ;  eyes  pubescent. 
AntennjB  10-jointed,  black,  with  a  pale  ring  at  apex  of  pedicel;  scape 
long,  obclavate;  flagellum  subcla/vate,  the  first  funicle  joint  long,  but 
scarcely  as  long  as  the  pedicel,  the  second,  only  half  the  length  of  the 
first,  the  joints  from  the  third  to  the  last  gradually  increasing  in  size, 
the  third  and  fourth  quadrate,  the  fifth  and  sixth  a  little  longer  than 
thick,  the  last  fusiform,  twice  as  long  as  the  penultimate.  Thorax  with 
a  central  grooved  line ;  pronotum  deeply  impressed  at  the  sides ;  tegulae 
black;  metathorax  rugose,  the  posterior  angles  not  acute.  Wings  sub- 
fuscous, the  stigmal  vein  long,  curved.  Abdomen  polished  black,  as 
21899— No.  45 9 


130  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

lonjr  as  the  ]m':uI  and  tlionix  tofjetlior,  the  .second  segnu'iit  witli  atrije 
at  base,  a  littl»^  hm^a'i-  than  all  the  following  sej^uients  united. 

Habitat.— Ottawa,  Canada. 

Types  in  ('oil.  Ashniead. 

Two  specimens  re«'eiv«'«l  IVoni  Mr.  W.  II.  lliirringtou. 

Ceraphron  pedalis,  sp.  nov. 

9  .  Length,  1.5""".  Polished  blark,  with  some  sparse,  minute  punc- 
tures; legs  entirely  brownish-yellow;  anteunai  bla<'k;  wings  subhya- 
line,  or  with  a  yellowish  tinge.  Diifers  principally  from  C  melanocerus 
in  having  the  axilhe  united  jfore  the  base  of  the  scutellum,  the  meta- 
jdeura  bounded  above  by  a  high  carina,  the  postscutellum  distinctly 
toothed,  the  i)()sterior  angles  of  nu^tathorax  piodu(;ed  into  a  tooth,  the 
paler,  more  uniformly  colored  legs,  while  the  abdomen  is  longer,  the 
second  segment  being  fully  twice  as  long  as  all  the  following  joints 
united. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

Ceraphron  flaviscapus,  8p.  nov. 

9  .  Length,  0.9  to  1""".  Polished  black,  Impunctured ;  scape,  pedicel, 
and  legs,  yellow  or  brownish-yellow;  flagellum  subclavate,  brown  or  fus- 
cous; face  impressed  with  a  grooved  line  extending  from  thefront  ocellus; 
eyes  pubescent;  thorax  with  a  central  grooved  line;  scutellum  a  little 
longer  than  wide;  postscutellum  with  a  small  tooth;  posterior  angles 
of  metathorax  acute ;  wings  hyaline;  tegulic  yellowish. 

The  antenuic  are  10-jointed,  the  flagellum  subclavate ;  first  flagellar 
joint  much  shorter  than  the  pedicel,  obconic ;  the  joints  1  to  5  transverse, 
C  and  7  quadrate,  not  longer  than  wide,  the  last  fusiform,  as  long  as  0 
and  7  united. 

Habitat. — Arlington,  Va.,  and  District  of  Columbia. 

Types  in  Coll.  Ashmead. 

Three  specimens. 

Ceraphron  glaber,  sp.  nov. 

S  9  .  Length,  1.1  to  1.2™"".  Agrees  very  closely  with  C.  jiaviacapits, 
but  it  is  slightly  larger,  the  pedicel  brown  or  fuscous,  the  sixth  and 
seventh  flagellar  joints  distinctly  longer  than  wide,  the  abdomen  longer, 
being  twice  as  long  as  the  thorax,  while  the  wings  are  subhyaline  or  sub- 
fuscous. 

In  the  S  the  antenna?  are  long,  filiform,  11-jointed,  the  scape  yellow, 
the  flagellum  brown,  the  joints  loosely  joined  or  slightly  pedicellate, 
rounded  at  ends,  and  sparsely  pubescent;  pedicel  small;  first  funicle 
joint  about  thrice  as  long  as  thick,  the  second  shorter,  the  following  to 


MONOOHAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.      131 

tlie  last  about  twic**  sis  loiij;  iis  thick  ;  rollar  iiiid  p«'tioh'  yt'll<»wisli ;  wliile 
the  basal  joint  ofhiml  tarsi  i.>  as  Umij;  as  Joints  li  to  4  united. 

IlAiiiTAT. —  Distriit  ot'Oolumbia,  ami  IJladeusburg,  Md. 

Types  in  Coll.  Ashmead. 

Three  specimens,  all  taken  by  Mr.  K.  A.  Sehwarz. 

Ceraphroii  cariiiatus,  Np.  nov. 

£  5.  Len^^th,  1..5  to  2""".  Polished  blark,  feebly  punctate;  an- 
tennae brown-bla(!k,  except  a  yellowish  ring  between  the  pedicel  and 
tirst  tlagellaijoiut;  tlagelluni  very  slightly  thickened  toward  tip;  ped- 
icel and  tirst  tlagellar  joint  very  hnig,  the  latter  slightly  the  longer,  joints 
2  to  4  subeqiial,  the  second  two  thirds  the  length  of  the  tirst;  joints 
5,  (>,  and  7  about  equal,  longer  than  the  second;  last  joint  not  quite 
as  long  as  the  sixth  and  seventh  united.  Thorax  with  a  central  grooved 
line;  scutc'lluni  a  little  longer  than  wide;  post-scutelluin  with  a  tooth; 
jKisterior  angles  of  uietatliorax  ju!utely  i)rondueut;  iuetai)leura  bounded 
above  by  a  high  (carina.  Wings  subfuscous,  the  venation  brown,  the 
stiguial  vein  long,  curved.  Abdomen  polished  black,  lA  times  as  long 
as  the  thorax,  the  second  segment  more  than  twice  as  long  as  tlu^ fol- 
lowing segments  united,  striate  at  base.  Basal  joint  of  hind  tarsi  as 
long  as  the  following  joints  united. 

In  the  i  the  11-jointed  antenuie  are  long,  filiform,  the  tlagellum 
alone  being  longer  than  the  body;  scape  and  legs  brownish-yellow; 
tlagellum  brown-black;  first  tiagellar  joint  about  5  times  as  long  as 
thick,  the  following  joints  to  the  last  shorter,  nearly  ecinal,  the  last  as 
long  as  the  first;  collar  and  base  of  abdomen  yellowish,  the  latter  not 
much  longer  than  the  thorax. 

Habitat. — Oakland  and  Bladensburg,  Md.;  District  of  Columbia, 
and  Virginia. 

Types  in  Coll.  Ashmead  and  National  Museum. 

Several  specimens.* 

Ceraphrou  mellipes,  up.  nov. 

S  2.  Length,  0.8  to  1""".  Polished  black,  impunctured;  scape, 
pedicel,  and  legs,  bright  honey-yellow;  tegul.e  yellowish ;  wings  clear 
hyaline.  Antenna?  in  $  10-jointed,  the  tlagellum  brown,  subclavate, 
the  first  funicle  joint  obconic,  two-thirds  the  length  of  the  scape;  joints 
2,  3,  and  4  as  wide  as  long,  fifth  subquadrate,  sixth  and  seventh  a  little 
longer  than  wide,  the  last  a  little  longer  than  the  two  preceding  united. 
In  the  $  the  antenna}  are  11-jointed,  filiform,  not  longer  than  the  body, 
the  first  tiagellar  joint  1|  times  as  long  as  thick,  longer  than  the  i)ed- 
icel,  the  following  joints,  except  the  last,  scarcely  longer  than  thick, 
l)ubescent,  the  last  joint  a  little  longer  than  the  first.  In  both  sexes 
the  face  is  impressed  above  the  insertion  of  the  antennae  ^^ith  a  grooved 
line  in  front  of  the  front  ocellus;  thorax  with  a  central  impressed  line; 


132  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

post-acutellum  with  a  minute  tooth,  while  the  jmsterior  angles  of  meta- 
thosnx  are  slightly  acute. 

Habitat. — Jacksonville-,  Fla. 

Type  in  Coll.  Ashmead. 

Described  from  1  S  and  2  $  specimens.  It  might  be  mistaken  for  C. 
flaviscapusy  but  it  is  a  smaller  and  more  slender  form ;  the  autennic  are 
not  so  stout,  the  joints  relatively  different  in  length,  while  the  wings 
are  clearer. 

Ceraphron  longicoruis,  sp.  nov. 

S  .  Length,  1.2'"'".  Highly  polished,  impunctured ;  the  head  and  api- 
cal two- thirds  of  abdomen,  black;  thorax piceous ;  collar,  scape, legs,  and 
basal  one-third  of  abdomen,  yellow  or  tiavo-testaceous.  The  antennae 
are  long,  filiform,  11-jointed,  the  llagellum  brown;  first  flagellar  joint 
nearly  three  times  as  long  as  the  T)edicel  and  as  long  as  the  terminal 
joint;  the  other  joints  are  slightly  shorter,  about  four  times  as  long  as 
thick,  and  all  with  sparse  iong  hairs.  Wings  hyaline,  strongly  fringed, 
the  stigmal  vein  long,  curved.  The  face  is  impressed  above  the  an- 
tennte ;  there  is  a  fovea  in  front  of  the  front  ocellus,  the  mesonotum 
with  a  central  grooved  line,  the  post-scutellum  toothed,  while  the 
posterior  angles  are  scarcely  prominent,  reduced  to  a  minute  tubercle. 

Habitat. — Fort  George  Island.  Florida. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  collected  by  Dr.  R.  S.  Turner. 

APHANOOMUS  Thuiusun.      % 
Synarsis  Forster,  Kleiue  Monog.,  p.  57  (1878). 

(Type  A.  fumipenniH  Thorns.) 

Head  transverse,  the  frons  convex,  the  occiput  slightly  excavated 
and  delicately  margined ;  ocelli  3,  close  together,  triangularly  arranged ; 
eyes  oval  or  rounded,  usually  pubescent. 

Anteunai  inserted  just  above  the  cly pens;  in  $  10-jointed,  clavate, 
in  $  11-jointed,  subserrate,  i)ilose.  . 

Maxillary  palpi  4-jointed,  labial  palpi  2  jointed. 

Mandibles  bifid. 

Thorax  subovoid,  compressed  at  sides,  convex  above,  the  collar 
small ;  mesonotum  usually  with  a  delicate  median  impressed  line,  which 
is  often  subobsolete  or  entirely  wanting;  scutellum  conical,  convex,  at 
least  twice  as  long  as  wide,  the  frenum  usually  wanting;  metathorax 
very  short,  abrupt,  the  angles  not  prominent. 

Front  wings  pubCvScent,  with  a  short,  linear  marginal  vein  and  a 
short,  slightly  curved,  stigmal  vein. 

Abdomen  ovate,  subsessile,  compressed  beneath,  convex  above,  and 
a  little  pointed  at  tip;  the  petiole  very  small  and  short,  the  second 
segment  very  large. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTKYPIDJ5.  133 

Le^fs  pubesceut,  the  posterior  coxse  pilose  behind ;  the  last  joint  of 
posterior  tarsi  almnt  twice  as  long  as  the  second. 

This  genus  is  very  closely  allied  to  Ceraphron  Jiirine  and  it  requires 
great  care  to  se- .urate  it  from  that  genus.  The  frons  is  more  convex, 
the  facial  impression  less  distinct,  the  scutellum  longer  and  convex, 
without  teeth  at  base  of  metathorax ;  wiiile,  as  a  rule,  the  metathoracic 
angles  are  less  distinct. 

Spnarsifi  Fiirster,  seems  to  be  without  doubt  identical,  his  type  S. 
piilla  being  evidently  a  small  species  of  Aphanogmus,  without  the  cen- 
tral mesonotal  furrow  and  with  the  head  held  horizontally,  a  position 
often  assumed  by  many  species  in  the  group. 

All  the  species  known  are  minute  and  could  easily  be  mistaken  for 
species  in  the  tribe  Telenominl  in  the  subfamily  SceUonina. 

The  species  known  to  me  in  our  fauna  may  be  separated  by  the  aid 
of  the  following  table : 

TABLE   OF   SPECIES. 

Winged 2 

Wingless. 

<?.  Bliick,  shining;  antennie  dark  brown,  the  third  joint  th<)  longest,  all  the 

flagellar  joints  witli  long  hairs A.  nkjeu,  sp.  nov. 

9.  Black;  abdomen,  legs,  and  antennae,  except  club,  bright  honey-yellow. 

A.  BICOLOK,  sp.  uov. 

2.  Black. 

Wings  not  banded __  3 

Wings  with  a  fnscons  band ;  no  mesonotal  furrow. 
Antennai  and  legs  brown ;  tarsi  pale ;  stigmal  vein  oblique,  not  curved  9  . 

A.  FLORioANis,  sp.  nov. 
AntennjB  and  legs  dark   fuscous,  trochanters  and  tarsi  pale;    stigmal  vein 
curved.  . 

Scape  pale  9  A.  ▼iuoiniknsis,  sp.  nov. 

Scape  ami  legs  pale  yellowish ;  base  of  abdomen  piceon.s,  ^  . 

3.  With  a  mesonotal  furrow. 

AntenniB  clavate,  brown-black ;  coxai  black ;  legs  dark  brown,  9 . 

A.  MARYLANIUCUS,  Sp.  nOV. 

Without  a  mesonotal  furrow. 
AutenuiB  subclavate,  yellow. 

Legs  pale  yellow,  9 A.  pallxdipes,  sp.  nov, 

Anteunte  black  or  brown-black,  clavate,  the  bust  joint  4  times  as  long  as  the 
penultimate. 
'       Legs  black,  co.vie  and  tarsi  brown..  >         '  , 

T  e       •  /  ^  ' A.  VAKIPKS,  sp,  nov. 

-.         Legs  rufopiceous  (var.) ^  '    ' 

Apheinogmus  niger,  sp.  nov. 

S  .  Length,  1""".  Black,  shining;  antennte  and  legs  dark  brown,  the 
tarsi  whitish.  Antenna;  ll-.jointed,  very  slightly  thickened  towaids 
tips ;  scape  obclavate,  not  reaching  beyond  the  ocelli ;  first  flagellar  joint 
long,  about  four  times  as  long  as  the  pedicel,  the  following  joints  of 
nearly  an  equal  length,  all  emarginate  at  base  and  covered  with  long, 
sparse  white  hairs.    The  thorax  is  compressed,  much  narrower  than  the 


134  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM.       , 

head,  convex  above,  with  a  single  median  impressed  line;  iiiesopleuia 
smooth,  polished;  scutellum  "ully  twice  as  h)ng  as  wide,  extendiog  to 
the  apex  of  the  metathorax,  its  tip  slightly  projecting.  Wings  aborted. 
Abdomen  small,  not  as  long  as  the  thorax,  subpetiolated,  highly  pol- 
ished and  subcompressed. 

Habitat. — Washingt<m,  D.  C. 

Type  S  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  given  me  by  Mr.  E.  A.  Schwarz. 

Aphanogmus  bicolor,  Rp.  iiov. 

9  .  Length,  0.8""".  Apterons ;  head  and  thorax  black,  microscopic- 
ally i)unctulate;  antennte,  except  the  large  terminal  joint,  the  legs  and 
the  abdomen,  bright  yellow,  the  latter  with  an  obscure  spot  above  at 
tip.  The  head  is  large,  quadrate;  eyes  very  large,  rounded,  occupying 
the  whole  side  of  the  head,  subpubescent.  Antennae  10-jointed,  clavate ; 
the  scape  long,  obclavate;  the  flagellum  less  than  twice  as  long  as 
the  scape;  pedicel  oval,  much  stouter  and  larger  than  the  first  flagellar 
joint;  flagellar  joints,  except  the  last,  submoniliform,  increasing  in  size 
from  the  first,  which  is  very  small ;  the  last  joint  is  very  large,  stout, 
oblong,  and  as  long  as  the  four  preceding  joints  united.  Mesonotum 
with  a  delicate  central  grooved  line;  scutellum  extending  to  the  tip  of 
the  very  short  metathorax,  convex,  longer  than  Avide;  angles  of  meta- 
thorax subtubercular,  the  pleura  slightly  wrinkled  and  bounded  by  a 
carina  above.  Abdomen  subsessile,  as  long  as  the  head  and  thorax  to- 
gether, bright  brownish-yellow  and  highly  polished. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Taken  by  Mr.  W.  H.  Harrington. 

Aphanogmus  floridanus,  sp.  nor. 

9.  Length,  0.75""".  Polished  black;  antenme  and  legs  brown,  the 
scape,  trochanters  and  tarsi  pale  or  yellowish.  Thorax  comi)res8ed, 
without  a  median  impressed  line.  Antennae  10-jointed,  clavate,  brown, 
pubescent,  the  flagellar  joints,  except  the  last,  transverse,  the  last 
ovate;  S  antenna^-  11-jointed,  slightly  thickened  at  tips,  the  first  flagel- 
Lar  joint  longer  than  th(3  scape,  the  following  shorter.  Wings  hyaline, 
fringed,  with  a  fuscous  band  across  the  disk  before  the  marginal  vein; 
stigmal  vein  oblique,  not  curved,  one  and  a  half  times  as  long  as  the 
marginal.  Legs  brown,  the  tarsi  white.  Abdomen iwlishetl  black;  not 
longer  than  the  thorax. 

Habitat. — Jacksonville,  Fla. 

Type  S  9  in  Coll.  Ashmead. 

Described  fnmi  two  specimens,  taken  on  the  edge  of  a  swamp  by 
sweeping. 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRYPID^.     135 

Aphanogmus  virginiensis,  sp.  nov. 

9.  Length,  1""".  Polished  black;  antemite  ami  legs  fuscous,  the 
scape,  trochanters  and  tarsi  pale  or  whitish.  Thorax  compressed,  con- 
vex, without  a  median  impressed  line.  Anteniue  10-jointed,  subclavate, 
pubescent,  the  flagellar  joints,  except  the  first  and  the  last,  transverse 
quadrate,  the  last  ooui<r.  Wings  hyaline,  fringed,  with  a  fuscous  band 
below  the  region  of  the  parastigma,  the  stigmal  vein  curved.  Abdo- 
men conic-ovate,  black  and  polished,  as  long  as  the  head  and  thorax 
together. 

Habitat. — Arlington,  Ya. 

Type  9  in  Coll.  Ashmead. 

Described  from  several  specimens.  The  species  comes  close  to  A. 
HoridanuSjhxit  it  is  slightly  larger,  the  antennai  slenderer,  the  abdomen 
longer,  more  pointed,  while  there  is  a  distinct  curve  to  the  stigmal  vein. 

Aphanogmus  marylandicus,  sl^.  iiov. 

5.  Length,  l'""\  Polished  black;  antenuje  wholly  brown-black; 
legs  dark-brown,  the  coxje  black,  knees  and  tarsi  pale  or  yellowish. 
Thorax  compressed,  highly  convex,  shining,  with  a  distinct  median  im- 
pressed line.  Antenujie  10-jointed,  clavate,  the  flagellar  joints,  except 
the  last,  transverse;  the  last  very  large,  ovate.  Wings  clear  hyaline, 
fringed,  the  stigmal  vein  long  and  curved.  Abdomen  pointed,  ovate, 
subcompressed,  as  long  as  the  head  and  thorax  together,  black  and 
polished. 

Habitat. — Oakland,  Md. 

Type  9  in  Coll.  Ashmead. 

Described  from  one  specimen  received  from  Mr.  E.  A.  Schwarz.  This 
may  be  the  9  of  A.  niger. 

Aphanogmus  pallidipes,  sp.  nov. 

9.  Length,  0.8"'™.  Blatik,  shining;  antenna^,  brownish-yellow;  legs 
pale  yellow.  Antenna^  10-jointed,  subclavate,  the  flagellar  joints  all  a 
little  longer  than  thick,  the  last  conic.  Thorax  compressed,  convex, 
without  a  median  impressed  line:  Wings  clear  hyaline,  the  nervures 
brown,  the  stigmal  vein  a  little  longer  than  the  marginal,  slightly 
curved.  Abdomen  a  little  longer  than  the  thorax,  ovate,  pointed  at 
tip,  subcompressed,  black  and  shining. 

Habitat. — Arlington,  Va. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Aphanogmus  varipes,  sp.  nov. 
(PI.  VII, Fig.  1,  9.) 

9.  Length,  0.8""".  Black,  shining;  antennse  and  legs  vary  from 
brown  or  rufous  to  black;  the  trochanter  and  tarsi  pale  brownish-yel- 
low.   Antennas  10-joiuted,  clavate,  the  last  joint  very  large,  about  four 


136  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

times  as  large  as  the  penultimate,  the  two  preceding  joints  transverse, 
the  others  a  little  longer  than  wide,  the  first  flagellar  joint  being  scarcely 
as  long  as  the  pedicel.  Thorar.  convex,  without  a  trace  of  a  furrow. 
Wings  hyaline,  pubescent,  the  larastignia  as  long  and  thick  as  the 
marginal  vein,  the  stigmal  vein  vc^ry  little  longer  than  the  marginal. 
Abdomen  not  longer  than  the  thorax. 

HABITAT.^-Manhattan,  Kans. 

Types  in  Kansas  State  Agricultural  College  and  (]oll.  Ashmea^l. 

Described  from  two  specimens  ret^eived  from  Prof.  Popenoe. 
NEOCERAPHRON  Asliin.,  gen.  uov. 

Agrees  in  all  particulars  with  Ceraphron,  except  that  the  antennae  in  the 
male  are  10-jointed,  not  11-jointed,  and  in  female  9-jointed,  not  lO-jointed, 
the  flagellum  being  strongly  clavate. 

Neoceraphon  m^croneurus,  Ashni. 
(PI.  VII,  Fig.  3,  ^.) 
Ceraphron  macroneuras  Asbm.,  Ent.  Am.,  ill,  j).  97,  ^  ;  Cress.  Syn.  Hyra.,  p.  312. 

$.  Length,  0.8""".  Polished  bljick,  irapunc  sured ;  abdomeu  yellow, 
blackish  above  towards  apex ;  legs  yellowish- white ;  antenna?  10-jointed, 
filiform,  reaching  to  the  base  of  the  abdomen,  dark-brown,  the  scape 
brownish-yellow,  the  flagellar  joints,  except  the  first  and  last,  not 
longer  than  wide,  loosely  joined,  moniliform,  pubescent,  the  last  joint 
twice  as  long  as  the  first.  Wings  hyaline,  the  marginal  vein  linear, 
the  stigmal  vein  very  long,  curved,  almost  attaining  the  apex  of  wing, 
forming  a  large  marginal  cell. 

$ .  Length,  0.75  """.  Black,  jwlished,  impunctured,  the  abdomen 
lioney -yellow,  blackish  above;  legs  whitish;  antenna?  9-jointed,  brown- 
ish-yellow, fuscous  toward  tips,  the  flagellum  much  incrassated  towards 
apex,  all  the  joints,  except  the  first,  which  is  as  long  as  thick,  are 
wider  than  long,  the  last  large,  fusiform. 

Habitat.— -Jacksonville,  Fla.,  and  Virginia. 

Types  in  ColL  Ashmead. 

Subfamily  V.— SCELIONIN^* 

fiead  transverse  or  quadrate,  often  very  broad  and  large.  Ocelli  3, 
always  present.  Mandibles  most  frequently  bidentate,  although  occa- 
sionlly  3-dentate.  Antenna^  elbowed,  inserted  on  a  clyi)eal  prominence 
or  at  the  base  of  the  clypeus,  usually  clavate,  11-  or  12-jointed  in  the 
females,  or  if  the  club  is  unjointed,  but  7-jointed;  in  the  males  filiform 
or  setaceous,  12-joint«d  except  in  Scelh,  where  they  are  but  10-joiuted. 
Maxillary  palpi  2,  3,  4,  or  5-jointed,  labial  palpi  2-  or  3-  jointed.  The 
pronotum  is  often  not  visible  from  above,  or  it  is  large,  transverse,  or 
quadrate;  mesonotum  generally  short,  transverse,  with  or  without 
grooved  furrows;  scutellum  generally  semicircular,  the  axilla;  not  dis- 
tinctly separated;  it  is  rarely  spined  or  wanting,  although  the  x^ost- 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     137 

scutelliim  is  frequently  seined;  metatliorax  short,  frequently  with  acute 
angles  or  spines.  Front  wings  most  fV'^quently  with  submarginal, 
marginal,  post-marginal,  and  stigmal  vein  ,  the  post-marginal  and  mar- 
ginal veins  are  rarely  absent,  except  in  the  tribes  Brcini  and  Teleasini; 
if  absent,  in  the  tribe  Hcelionini^  the  submarginal  vein  terminates 
in  a  stigma  or  knob.  Abdomen  sessile,  or  subsessile,  inserted  above  the 
coxa?,  depressed  and  sharp-edged  or  strongly  carinated  along  the  sides, 
where  the  tergites  join  the  urites;  in  shape  it  is  variable:  it  may  be 
broadly  oval,  oblong,  ovate,  fusiform,  or  linear,  and  often  greatly  elon- 
gated, composed  of  several  segments;  the  second  and  third  segments  are 
usually  much  the  largest,  but  occasionally  the  segments  are  nearly  of 
an  equal  length.  Legs  moderate,  the  femora  clavate,  the  tibije  sub- 
clavate  or  slender,  the  tibial  spurs  usually  1, 1, 1,  the  middle  and  poste- 
rior spurs  generally  weak  or  poorly  developed;  the  tarsi  long,  slender, 
5-jointed. 

This  group  is  probably  the  most  extensive  one  in  the  whole  family 
and  of  the  greatest  economic  importance,  all  the  species  comprising  it 
being  strictly  egg  parasites,  scarcely  a  single  order  of  insects  being  free 
from  their  attack. 

It  may  be  subdivided  into  four  natural  tribes  distinguished  as  fol- 
lows: 

TABLE    OF   TRIBES. 

Abdomen  without  distinct  lateral  carinsB,  most  frequently  broadly  oval,  rarely 
pointed  ovate,  depressed,  the  second  segment  always  the  largest  and 
longest;  post-marginal  and  stigmal  veins  long;  9  with  11-jointed 
antenna!,  rarely  with  12  joints,  clavate;    <?  autennje  12-jointed. 

Tribe  i. — Telenomini. 
Abdomen  always  Avith  distinct  lateral  carina>. 

Abdomen  broadly  oval  or  long  oval,  the  third  segment  mucli  the  longest ;  post- 
marginal  vein  not  developed. 
Marginal  vein  very  short,  punctiform  or  thickened,  not  or  scarcely  as  long  as  tho 
stigmal  vein;  stigmal  Aein  short,  thickened  at  l>a8e  and  ending  in  a 
rounded  stigma;   9  antenna^  7-jointed  with  an  uujointed  club;   9 
nsually  apterous ;  $  antenuiel2-jointed,  filiform-moniliform;  lateral 
ocelli  usually  close  to  the  inner  margin  of  the  eye.  .Tribe  ii.— B.eini. 
Marginal  vein  very  long,  5  or  6  times  as  long  as  the  exceedingly  short  stigmal  vein ; 
stigmal  vein  not  thickened  at  base;   9  antennsB  12-jointed,  clavate, 
^    the  club  5  or  6  jointed;    i  antenna' 12-jointed,  filiform,  the  fnniclar 
-  ^  iointslong;  lateral  ocelli  faraway  from  the  inner  margin  of  the  eye, 

^  *      ,7  never  very  close Tribe  in. — Teleasini. 

Abdomen  sessile,  most  fre<xnently  long,  fusiform,  or  linear,  extending  beyond  the 
tips  of  the  wings  when  folded,  rarely  broadly  oval,  the  segments 
more  nearly  eqnal,  or  the  third  segment  the  longest,  but  rarely  much 
longer  than  some  one  of  the  others;  post-marginal  vein  present, 
rarely  wanting,  if  wanting  the  submarginal  vein  terminating  in  a 
stigma;  marginal  Aein  seldom  twice  as  long  as  the  stigmal;  the 
stigmal  not  especially  short,  oblique,  rarely  entirely  absent;  J 
antenna'  12-jointed,  clavate;  i  antennw  12-jointed,  nsually  filiform 
(in  a  single  case  10-jointed) Tribe  iv.— SCeuonini, 


138  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Tribe  i. — Telenomini. 

This  tribe  was  first  separated  by  Thomsoji,  OtVers,  af  K.  Vet.-Akad. 
Forh.,  1800,  p.  100,  Avith  two  geuera,  TelenomuH  ami  Phanurus,  to  which 
I  here  add  Trimorus  Fiirster,  and  three  new  genera,  viz.,  Trisftolcun, 
Uissolcns,  and  Aradophuffiis,  all  distinguished  from  other  genera  in  the 
Scelioninm  by  the  absence  of  the  lateral  cariiiii*,  on  the  abdomen. 

The  species  are  all  minute  or  microscopic  in  size,  and  are  parasitic  in 
the  eggs  of  various  insects,  those  of  Lepidoptera  and  llemiptera  being 
particularly  subject  to  their  attack. 

The  six  genera  included  in  the  tribe  may  be  thus  distinguished: 

TABLE   OF    (lENERA. 

Females,  with  ll-joiiited,  cltivaf e  auteuna^ 2 

Females,  with  12-jointed  antenna" 4 

2.  Lateral  ocelli  not  toiichinjj;  the  niarfjin  of  the  eye 3 

Lateral  ocelli  touching  the  niarj:tin  of  the  eye. 

Mesonotum  with  2  furrows. 

Post-scutellum  spined Trimoui's  Fiirster. 

Mesonotum  without  furrows. 
Post-scutellum  not  spined. 
Hea<l  quadrate ;    ahdomeu  pointed  ovate,  the  ovipositor  usually  ex- 

serted Phanurus  Thorn. 

Head  transverse,  often  very  broad,  abdomen  broadly  oval,  usually 

truncate  at  tip Tklenomis  Hal. 

3.  Mesonotum  with  3  furrows,  abbreviated  anteriorly. 

Frons  very  broad;  a  short  but  distinct  groove  extends  from  the  eye  back 

of  th'e  lateral  ocellus  to  the  occiput  ..Trissoixts  Ashni.,  gen.  nov. 
Mesonotum  with  2  furrows,  abbreviated  anteriorly. 
Frons  not  very  broad l)iS80ixr.s  Ashm.,  gen.  nov. 

4.  Mesonotum  without  furrows. 

Head  large,  flat,  the  ocelli  in  a  triangle,  the  laterals  nearer  to  the  front 
ocellus  than  to  margin  of  eye;  wings  banded. 

Aradophagus  Ashm.,  gen.  nov. 

TRIMORUS  Fiirster. 

Hym.  Stud.,  ii,  p.  101  (18.56). 

(Typo  r.  nanun.  Walk.,  ^  ;   V.  phiUas,  Walk.,   9.) 

Head  transv^erse,  a  little  wider  than  the  thorax,  the  occiput  delicately 
margined;  ocelli  3,  the  lateral  close  to  the  eye;  eyes  ovate;  subpu- 
bescent. 

AntennjB  in  both  sex'vs  12-jointed;  in  9  clavate,  the  club  o-jointed; 
in  5  filiform-moniliform  or  subnioniliform.      ,.      ^^^    :■-...      .    •; 

Maxillary  jialpi  3-jointed. 

Mandibles  bifid 

Thorax  ovoid,  the  protliorax  depressed  above,  produced  into  a  little 
neck  anteriorly;  mesonotum  with  2  furrows;  scutellum  convex,  semi- 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     139 

circular ;  post-scutellum  armed  with  a  short,  stout  spiue  or  tooth ;  meta- 
thorax  short. 

Front  wings  fringed,  with  a  marginal  vein  about  half  t  lie  length  of  the 
stignial,  the  latter  oblique,  ending  in  a  small  knob. 

Abdomen  oval,  depressed,  somewhat  broader  than  the  thorax ;  the 
first  segment  short,  striate,  the  second  very  large,  the  following  short. 

Legs  rather  long,  slender,  the  femora  subclavate,  tarsi  5-jointed,  the 
basal  joint  of  hind  tarsi  more  than  three  times  as  long  as  the  second. 

Distinguished  by  the  spined  scutellum. 

Trimorus  americanus,  sp.  iiov 
(PI.  VII,  Fij;.  4,  ^.) 

S  .  Length,  1.2""".  Polished  black,  impnnctured,  sparsely  pubes- 
cent. Head  transverse,  not  wider  than  the  thorax;  lateral  ocelli  on 
the  margin  of  the  eye;  eyes  oval,  pubescent.  Antenu.e  12-jointed,  tili- 
form-moniliform,  extending  to  the  middle  of  the  abdomen;  the  scape 
scarcely  reaches  to  the  middle  ocellus,  brownish-yellow;  the  flagellum 
rust-brown,  the  pedicel  very  small,  the  first  and  third  funicle  joints 
equal,  twice  as  long  as  the  pedicel,  the  second  slightly  smaller  than 
the  first,  the  fourth  and  the  following  to  the  last  about  equal,  monili- 
form,  the  last  oval. 

Thorax  ovoid,  the  mesonotum  with  2  furrows  abbreviated  anteriorly; 
scutellum  semicircular;  the  post-scutellum  produced  into  a  small  tri- 
angular tooth ;  metathorax  very  short.  Abdomen  oval,  black,  not  longer 
than  the  thorax,  the  first  segment  striated.  Wings  hyaline,  pubescent, 
the  venation  brown;  the  marginal  vein  is  rather  thick,  the  length  of 
the  shaft  of  the  stigmal,  the  latter  terminating  in  a  small  knob. 

Habitat. — Arlington,  Va. 

Described  from  a  single  specimen. 

PHANT7RnS  Thouisou. 

Ofv.,  1860,  p.  169. 
{P.  angiisfatus  Thoiii.) 

Head  quadrate  or  subquadrate,  the  frons  smooth,  shining,  the  occiput 
usually  but  slightly  emarginate,  not  margined.  Ocelli  3,  triangularly 
arranged,  the  lateral  touching  the  margin  of  the  eyes.  Eyes  large, 
oval,  sometimes  slightly  pubescent. 

Antennje  in  9  11-jointed,  subclavate,  rarely  distinctly  clavate,  from 
the  last  two  funicle  joints  being  widened ;  in  S  12-jointed,  snbmonili- 
form,  shorter  than  the  body;  the  pedicel  longer  than  the  first  funicle 
joint,  the  second  funicle  joint  about  twice  as  long  as  the  first,  the  third 
shorter,  joints  beyond  raoniliform  or  submoniliform,  the  last  ovate. 

Maxillary  palpi  2-jointed. 

Mandibles  bifid. 

Thorax  ovate  or  long  ovate,  the  mesonotum  longer  than  wide,  with- 
out furrows,  the  metathorax  not  especially  shortened. 


140  BULLETIN    4r,,  UNITED   STATES   NATIONAL   MUSEUM. 

Fnmt  wings  nither  narrowed,  loiigly  fringed,  the  niargiiial  vein  very 
short,  the  stigmal  vein  rather  h)ng,  very  oblique,  the  post  marginal  long. 

Abdomen  long,  pointed  ovate  and  at  least  as  long  as  the  head  and 
thorax  together,  and  narrower,  the  ovipositor  often  exserted,  the  second 
segment  very  long,  occupying  two-thirds  the  whole  surface. 

Legs  rather  long  and  but  slightly  thickened. 

Although  this  genus  closely  resembles  Tdenomiis,  it  is  readily  dis- 
tinguished by  the  shape  of  tbe  head,  the  subclavate  antenme,  narrower 
wings,  and  the  longer,  narrower,  pointed  abdomen,  the  second  segment 
always  being  two  or  three  times  longer  than  wide. 

The  habits  of  the  genus  are  identical  with  Telenomm. 

Our  species  may  be  tabulated  as  follows: 

TABLE   OF   SBEOIES. 

Head  and  thorax  dark  hrown 2 

Black. 
AuteuiiiP  black  or  browu  black. 

Legs  brownisb-piceons,  tbe  kuees  and  tarsi  pale P.  ovivoRUS,  sp.  uov. 

Legs  rufous,  tbo  tarsi  Avliite P.  fi.OUIUANIts,  si),  iiov. 

Scape  pale  riifons,  the  flagellum  brown. 

Legs  yellow P.  flavipks,  sp.  nov. 

2.  Abdomen  i)ale  brown P.  oi'acus  How. 

Phanurus  ovivorus,  sp.  nov. 

5.  Length  0.6™"'.  Polished  black,  impunctured.  Head  transverse- 
quadrate,  scarcely  wider  than  the  thorax.  Eyes  oval,  with  a  few  hairs. 
Antenna*.  11-jointed,  subdavate,  brown-black  or  black,  the  flagellum 
nearly  thrice  as  long  as  the  scape,  the  pedicel  longer  than  the  first  funic- 
lar  joint,  the  joints  of  fuuicle  all  longer  than  thick,  the  club  scarcely 
separable  from  the  4-jointed  funicle,  the  joints  a  little  longer  than 
wide.  Thorax  ovoid,  the  disk  somewhat  flattened  and  highly  polished, 
the  mesonotum  longer  than  wide,  without  furrows.  Legs  piceous,  the 
knees  and  tarsi  paler.  Abdomen  jwinted  ovate,  depressed,  flat  above 
and  longer  than  the  head  and  thorax  together,  the  ovipositor  slightly 
projecting.  Wings  rather  narrow,  hyaline,  iridescent,  and  ciliated,  the 
nervures  yellow,  the  marginal  vein  shorter  than  the  stigmal. 

Habitat. — Washington,  D.  C. 

Types  in  National  Museum  and  Coll.  Ashmead. 

Bred  by  Dr.  Riley  at  Washington,  D.  C,  September  10,  1885,  from 
Heteroptcrous  eggs;  also  from  Curculionid  in  catkins  of  Black  Birch, 
June  19,  1889.  The  last  record  I  consider  unreliable.  In  all  probabil- 
ity there  were  insect  eggs  in  the  catkins  overlooketl  by  Dr.  Riley. 
My  collection  contains  specimens  captured  at  large. 

PhanxiruB  floridanus,  sp.  nov. 
(PL  vu, Fig. 5,  9.) 

2  .  Length  0.6"'"'.  Polished  black,  impunctured.  Heatl  subquad- 
rate,  as  wide  as  the  thorax.    Antenna)  11-jointed,  clavate,  black,  the 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRYPID^.      141 

clnb  stouter  than  in  P.  ovivorus;  pedicel  much  longer  {in<l  thicker  than 
the  first  funiclar  joint,  the  funiclar  joints  after  the  second,  transverse, 
the  club  4  jointed,  the  joints  excepting  the  las|)  transverse,  the  last 
ovate.  Legs  pale  brownish-ycUow,  tlie  coxjc  black  or  dark  fuscous. 
Abdomen  pointed  ovate,  about  as  long  as  the  head  and  thorax 
together,  the  first  segment  short,  narrowed,  the  second  occupying  half 
the  rest  of  the  surface,  the  segments  beyond  short,  about  ecjual. 
Wings  hyaline,  ciliated,  the  venation  yellowish,  the  marginal  vein 
about  one-third  the  length  of  the  stigmal. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashuiead. 

Phaiiurus  flavipes,  sp.  nov. 

9  .  Length,  0.65'"'".  Polished  bhick.  Head  quadrate,  a  little  wider 
than  the  thorax  across  from  tcgula  to  tcgula,  and  with  the  occiput 
slightly  emarginated.  Eyes  large,  oval,  subpubescent.  Mandibles  pale 
or  yellowi^i.  Antenna;  11-jointed;  the  scape  is  half  the  length  of  the 
flagellum,  pale  rufous  or  yellowish;  the  flagellum  subclavate,  brown, 
the  pedicel  about  2^  times  as  long  as  thick  or  nearly  twice  as  long  as 
the  first  funiclar  joint,  the  two  last  funiclar  joints  a  little  shorter  and 
stouter  than  the  preceding  joints,  club  joints  stouter,  a  little  longer 
than  thick.  Legs,  including  coxa?,  bright  yellow.  Abdomen  as  long 
as  the  head  and  thorax  together,  polished,  impuncturcd,  the  second 
segment  nearly  twice  as  long  as  wide  at  .apex,  the  first  short  and  nar- 
row.   Wings  hyaline,  somewhat  narrowed,  with  long  cilia. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

The  color  of  the  antennaj  and  legs  readily  separate  the  species  from 
all  the  others. 

Phanurus  opacus  How. 

Thoron  opacus  How.,  las.  Life,  i,  p.  268,  f.  64. 

"^.  Length,  0.84'"'";  expanse,  1.2"'"';  greatest  width  of  forewing, 
0.163""";  length  of  antenna;,  0.6'"'".  Joint  1  of  funicle  rather  shorter 
and  slightly  narrower  than  pedicel ;  funicle  joints  distinctly  separated, 
subequal  in  length,  ^iicreasing  very  slightly  in  width  from  4  to  9,  joints 
2  and  3  equal  in  width  and  slightly  slenderer  than  either  1  or  4;  club 
one  third  longer  than  joint  9  of  funicle,  ovate,  at  base  of  same  width 
as  joint  9  of  funicle,  without  a  trace  of  dividing  sutures.  Metauotal 
spiracles  large,  oval;  metascutellum  with  a  straight  median  longitudi- 
nal furrow.  Abdomen  flattened,  ovate,  rather  longer  than  thorax. 
General  surface  of  the  body  with  no  visible  punctation,  opaque.  Head, 
antennae,  and  thorax  dark  brown;  abdomen  rather  lighter;  all  legs 
brown;  tarsi  nearly  white;  base  of  all  tibiae  nearly  white.  Wings 
hyaline;  veins  slightly  dusky."    {Howard.) 

Habitat. — Los  Angeles,  Cal. 


142  BULLKTIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Aceordiiijj;  to  Mr.  Howard  this  insect  was  reared  by  Mr.  1).  W.  Co- 
quilU'tt,  July  -7,  1S87,  from  the  adult  female  of  Iccrya  piirchaxi.  I  aia 
not  willing;  t«)  accept  this  statement  as  accurate,  the  species  bein<(  an 
egg-parasite.  As  with  the  Euro)ieau  Telenomus  coccidivortmj  additional 
evidence  is  needed  to  substantiate  its  divergent  habit. 

TELENOMUS  lluliday. 
Ent.  Mag",  i,  p.  271  (1833). 
Syn.  (f)  //c«imM«\Ve8two<Ml,  Phil.  Mag.,  ii,  p.  44.')  (1832). 

(Type  T.  brachialw  Hal.) 

HeiMl  large,  transverse,  usually  very  wide,  very  rarely  quadrate,  the 
occiput  concave,  not  margined.  Ocelli  3,  triangularly  arranged  and 
widely  separated,  lateral  contiguous  to  the  margin  of  the  eye.  Eyes 
oval,  often  pubescent. 

Antenuic  inserted  close  to  the  clypeus,  in  9  11-jointed,  clavate,  the 
club  4-  or  5  jointed,  the  pedicel  usually  larger  than  the  first  funi(;le 
joint,  the  tirst  funi-le  joint  longer  than  wide,  the  last  two  funicle  joints 
minute,  transverse;  in  S  filiform,  pubescent,  moniliform  or  submonili- 
form,  the  joints  after  the  fifth  rarely  elougate-cylindric. 

Maxillary  palpi  2-jointed. 

Thorax  ovoid,  the  mesonotum  wider  than  long,  without  furrows;  the 
metathorax  short,  rounded,  unarmed. 

Front  wings  pubescent,  ciliated,  the  submarginal  vein  joining  the 
marginal  at  about  J  the  length  of  the  wing,  the  marginal  vein  linear, 
rarely  punctiform,  and  usually  shorter  than  the  stigmal,  the  latter  ob- 
lique and  rather  long,  the  i)ost- marginal  vein  long. 

Abdomen  subsessile,  broadly  oval,  depressed,  not  or  rarely  longer 
than  the  thorax,  the  apex  usually  truncate,  the  first  segment  wider  than 
long,  the  second  always  the  largest  and  longest  segment,  although 
often  wider  than  long;  the  following  segments  all  short. 

Legs  moderate,  the  femora  subclavate,  the  tibial  spurs  weak,  the 
tarsi  5  jointed,  not  as  long  as  the  tibite. 

A  well  known  and  widely  distributed  genus  found  in  all  parts  of  the 
world.  Haliday  and  Walker  have  described  in  it  species  that  should 
now  be  relegated  to  Fhanurus.  The  species  are  numerous  and  proba- 
bly susceptible  of  a  still  further  generic  subdivision. 

The  description  of  West  wood's  genus  Hemisms,  with  one  species, 
minutm,  appeared  in  the  Phil.  Mag,  Vol.  ii,  p.  445,  1832,  and  conse- 
quently antedates  that  of  Haliday  (Mhich  did  not  appear  until  1833) 
just  one  year.  From  Westwood's  brief  description  I  am  unable  to  sepa- 
rate it  from  Telenomtis,  and  if  Telenomus  is  not  again  subdivided  it 
must  replace  that  now  well-known  genus. 

Species  of  the  genus  Telenomns,  according  to  Dr.  Gustav  Mayr,  have 
been  reared  in  Europe  from  the  following  insect  eggs: 

Lepidoptera 13  species. 

Hemiptera 3  species. 

Diptera 1  species. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.      143 

He  also  records  the  rearing  of  Tehnomus  coccidivorus  Muyr  from  a 
coccid;  but  in  all  probability  this  is  a  mistake,  and  it  <'aiiu' from  the  egjf 
of  some  Lepidopteron,  Syrphid,  or  other  predaceous  insect  Ui^sociated 
with  the  cocfid. 

In  America  Telenomi  have  been  reared  th)m  the  foHowinj;  insect  eggs: 

Spct^ien. 

Lepidoptera 14 

Ilemiptera  3 

Nenroptera 1 

Our  species  are  quite  numerous  and  separated  with  difficulty,  but  it 
is  hoped  that  the  student  will  find  assistance  in  the  foUowing  dichoto- 
mous  table : 

TABLK   OF   SPECIES. 

*  kkmai.es. 

Secoud  iibdi>uuii:il  8»»}^iiieut  not,  or  very  litth?,  louj^er  tLun  wide 2 

Second  ubduniiiial  Hegmeut  jibout  twice  as  long  as  wide. 
Head  trans ve^s(^-q^adl•at^'. 
Legs,  inclnding  coxa;  and  scajie,  reddish-yellow;  thorax  flattened. 

Moih-rute T.  hi'hbardi,  sp.  uov. 

Legs,  including  coxiu  and  scape,  pallid  yellow ;  thorax  convex. 

Minute T.  pusillus,  sp.  nov. 

Head  transverse. 
Legs  and  anteuuie  black,  knees  and  tarsi  honey-yellow. -T.  koeuelei,  sp.  nov. 

2.  Pedicel  distinctly  longer  and  thicker  than  the  first  liinicle  joint 3 

Pedicel  not  longer  than  the  first  funicle  joint. 

Scape  black,  tlagellum  brown-black,  tip  of  pedicel  yellow,  fnnicle  joints  2,  3, 
and  4  equal,  nioniliforni. 
Legs  black  or  piceons,  trochanters,  knees,  anterior  tiliiiB,  and  tarsi,  yellow. 

T.  NIGKI8CAPUS,  sp.  nov. 

Antennae  brown-black,  pedicel  yellow  at  tip,  shorter  than  first  funicle  joint, 
funicle  joints  2  and  3  subequal,  the  third  transverse. 
Legs  piceons,  trochanters,  anterior  tibiaj  beneath  and  tarsi,  brown. 

T.  UTAHENSIS,  sp,  nOV. 

3.  Scape  of  antennw  pale  or  pale  at  base  »)r  tip 4 

Scape  of  antenna',  black  or  brown-black. 

CoxiB  pale. 
Marginal  vein  punctiforin. 

Claval  joints  2,  3,  and  4  about  equal,  quadrate T.  noctu.^,  sp.  nov. 

Coxai  black. 
Funiclar  joints  2  and  3  longer  than  thick, 
_;       Legs  black  or  piceons,  trochanters,  knees,  tips  of  tibise  and  tarsi,  yellow. 
First  abdomal  segment  and  the  second,  at  base,  striate. 
Marginal  vein  J  the  length  of  the  stiguial. 
,_  Second  abdominal  segment  wider  than  long..  .T.  GNOPH^iELiE,  sp.  nov. 

,     •     .  Second  abdominal  segment  longer  than  wide.  * 

T.  CALIFOKNICUS,  sp.  UOV. 

Marginal  vein  punctiform T.  gracilicornis,  sp.  uov. 

Legs  pale  rufous. 
Thorax  and  scutellnm  closely  punctate;  head  large,  polished. 

T.  PER8IMIUS,  sp.  nov. 


144  lUJLLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Funiclo  juiiiU  2  auil  3  roiintltMl,  not  loii^or  thuii  thick. 

LogH  piceoiiH  or  brown-black,  truchatitcra,  kiiecH,  ti|Mof  tlbiin  auti  tarsi  pale 

or  yellow isli. 
FirHt  abdoniiiiiil  M-gnicitt  striate. 
Marginal  vein  j^  thu  lon^th  of  the  sti^mal;  hoad  3^  times  as  wide  as 

long T.  OKAI'T.K   How. 

Marginal  vein  nearly  ^  the  length  of  the  stignial;  head  3  times  as  wido 

as  long T.  hpii.osomatis,  sp.  nov. 

Marginal  vein  as  long  as  tJie  stignial T.  minimus,  sp.  nov. 

Legs  dark-brown,  the  tarsi  whitish. 

Marginal  vein  about  i  the  length  of  the  Mtignial..  T.  ukliotiiiuis,  sp.  nov. 
Legs  piceons  or  browu-blaek,  trochanters,  knees,  tips  of  tibiiu  aud  tarsi, 
pale  or  yellowish. 
First  abdominal  segment  not  striate. 

•  Eyes  pnbescent T.  OROYI.*:,  Fitch 

Eyes  l>are  or  only  faintly  pubescent. 

Marginal  vein  punctiform T.  ic'iiTHYUKiE,  sp.  nov. 

Marginal  vein  long T.  iNFUscATlrtcs  Ashm. 

Legs  yellow  or  brownish-yellow. 

Marginal  vein  j[  thu  h-ngth  of  the  stigmal;  head  about  3^  tinie^  as  long 
as  wide T.  mKli>t'.s,  Riley 

4.  Scajie  wholly  pale 5 

Scape  not  wholly  jiale,  pale  beneath  or  at  base  or  apex. 

Coxio  black  or  piceons. 

Wings  with  a  dusky  submarginal  blotch T.  maculii'KNNI.s,  sp.  nov. 

Wings  with  no  submarginal  blotch,  hyaline  or  subhyaline. 
Funicle  joints  2  and  3  not  longer  than  thick. 
Coxai  black. 
Legs  dark  brown  or  fuscous,  trochanters,  knees  and  tarsi,  pale  yellow. 
Second  abdominal  segment  1^  times  as  long  as  wide 

T.  8PHINGIS  Ashni. 
Second  abdominal  segment  not  or  scarcely  longer  than  wide. 
Head  very  wide. 

Funicle  Joints  2  and  Ssubeiiual T.  rileyi  How. 

Fnnido  joints  2  aud  3  equal ,...T.  gossypiicola,  sp.  nov. 

Coxa?  pale. 
Legs  brown,  the  trochanters,  knees,  tips  of  tibai  and  tarsi,  whitish  or 
pale.     Pedicel  longer  aud  stouter  than  the  first  fuuiclar  joint,  the 
second  very  little  longer  than  thick,  the  third  small,  transverse. 

T.  GEOMETRJJ,  sp.  noV. 

5.  Pedicel  scarcely  hmger  than  the  first  funiclar  joint. 

Second  abdominal  segment  not  striate  at  base. 
Legs  rufous  or  reddish-yellow,  the  femora  and  tibiie  often  obfuscated. 

T.  AKZAM^  Riley. 

Legs  brownish- yellow T.  LAVEKNJi,  sp.  nov. 

Pedicel  much  longer  than  the  first  funiclar  joint. 
Closely  minutely  punctate. 
Second  abdominal  segment  striate  at  base. 

•  '<  Legs,  including  coxjb,  honey-yellow T.  podisi,  sp.  nov. 

Coarsely  crftirate  punctate. 
Mesoplcura  tinged  with  rufous. 

Legs  and  antenna;,  except  club,  browuish-yellow.  -err    - 

T.  PENN8YLVANICU8,  sp.  nOV. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.  145 

MALKS. 

Antonnm  not,  or  scarcply,  longer  than  tho  body 2 

Anteniiii'  nimh  longer  than  the  body. 

Lvjjs  pah)  hrownish-yelh)w;  jointH  of  flaKoUum  oval..  .T.  nouCHOCERrs  Anhm. 

2.  Fliijiollar  joints  1  ami  2  equal,  or  nearly  e<itial 4 

Flagellar  joints  2  and  ,{  about  equal,  longer  thiin  tho  tirMt 3 

Flagellar  joints  2  and  3  about  equal,  shorter  than  the  tirHt. 

Coxa'  black. 
L»'gw  fuHcoua  or  brown,  knees,  tibim,  wid  tarsi  yellow ;  marginal  vein  half  tho 

length  of  the  stignial T.  ciiUYsor.K,  sp.  uov. 

Legs  honey-yellow,  the  femora,  except  tips,  brown;  marginal  vein  one-fourth 

the  length  of  the  stiguial T.  utahensih,  sp.  nov. 

3.  Coxa*  blaek. 

Pedieel  bmger  than  the  first  funiclar  joint. 
Legs  pale  biownish-yellow,  the  femora  usually  more  or  less  dusky. 

Flagellar  joi'its,  after  the  third,  moniliform T.  si-ilosomatis  Ashm. 

Flagellar  jo'nts,  after  the  third,  long  oval T.  sphingis  Ashm. 

Pedicel  shorter  than  the  first  funiclar  joint. 
Legs  black  or  piceous,  trochanters,  knees,  tips  of  tibia-,  and  tarsi  honey- 
yellow. 

Rcape  black,  fiagellum  dark  brown T.  graft j«  How. 

Scape  and  fiagellum  palt^  brown T.  ctELODASiuis  sp,  uov, 

Coxar  pale. 
Pediwl  shorter  than  the  first  funiclar  joint. 

Legs  honey-yellow;  flagellar  joints  longer  than  thick T.  arzam^  Riley. 

Legs  reddish-yellow ;  flagellar  joints  round,  moniliform.  T.  nigriscapus  Ashm. 
Pedicel  a  little  longer  than  the  first  funiclar  joint. 
Legs  whitish,  the  femora  andtibiw  tinged  with  brown;  flagellar  joints  trans- 
verse  T.  GEOMETR<E  Asbm, 

4.  Flagellar  joints  1  and  2  about  equal,  the  third  shorter, 

Coxie  black. 
Legs  black  or  piceous,  the  trochanters,  tips  of  femora,  and  tibiie  and  the  tarsi 

honey-yellow T,  ci-isiocamp^e  Riley 

Coxa^  pale. 
Legs  brownish-yellow ;  flagellar  joints  1  to  3  not  especially  elongate,  the  joints 

beyond  transverse T.  mfiDUS  Riley 

Legs  yellow;  flagellar  joints  1  to  3  stout  and  elongate,  the  Joints  beyond 

moniliform T.  iodisi  Ashm, 

Flagellar  joint,«  1  and  2  about  equal,  the  third  longer. 

Legs,  including  coxii>,  pale  brownish-yellow T,  NOCTURE 

Flagellar  joints  1  and  2  equal,  the  joints  beyond  oval.     Coxa?  black ;  legs  reddish- 
yellow T,  GNOPH^LiE 

T.  dolichocerus  Ashm. 
Teleas  dolichocerus  Ashm.,  Ent.  Am.,  iii,  p,  100,  $  ;  Cress.  Syn,  Hym.,  p.  313. 

5  .  Length,  0.8""".  Black,  shining ;  the  thorax  microscoj)ically  punc- 
tate and  pubescent;  antennae  black,  the  scape  beneath  brownish-yel- 
low; legs  yellow.  Antennae  12-jointed,  very  long,  filiform,  much  longer 
than  the  body,  pubescent;  the  pedicel  is  hardly  half  the  length  of  the 
first  funiclar  joint;  the  latter  is  stouter  than  the  pedicel  or  any  of  the 
following  joints,  about  twice  as  long  as  thick ;  the  second  funiclar  joint  is 
greatly  elongated,  longer  than  the  pedicel  and  the  first  joint  united; 

21899— No.  45 10 


146  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

the  -T following- joints  snbequal;  those  beyond,  to  the  last,  elliptic, oval; 
the  last  fusiform,  as  long  as  the  third;  all  the  joints  from  the  third 
briefly  pedicellated.  Wings  hyaline,  with  long  cilia;  the  venation  i)ale 
brown,  the  marginal  vein  half  the  length  of  the  shaft  of  the  stiguial, 
the  latter  ending  in  a  knob. 

Habitat. — Jacksonville,  Fla. 

Type,  S  in  Coll.  Ash  mead. 

Described  from  a  single  specimen.     The  greatly  elongated  antenna} 
and  the  shape  of  the  joints  render  the  s])ecies  easy  of  recognition. 

Telenomus  Hubbardi,  sp.  iiuv. 

9 .  Length,  1""".  Black,  smooth,  shining ;  head  quadrate,  not 
wider  than  the  thorax;  mandibles  i)iceous.  AntennjB  11 -jointed,  the 
scape  reddish-yellow,  the  flagellum  dark  brown ;  the  pedicel  is  much 
longer  than  the  first  funiclar  joint;  the  second,  third,  and  fourth  funiclar 
joints  nearly  equal,  the  second  being  very  slightly  the  longest;  the  club 
is  stout,  the  joints  broadly  transverse.  Thorax  subconvex,  much 
longer  than  wide.  Legs,  including  coxa?,  uniformly  reddish-yellow. 
Abdomen  as  long  as  the  head  and  thorax  together,  the  apex  subtrun- 
cate,  highly  polished;  the  first  segment  transverse,  with  some  coarse 
stria;  at  base;  the  second  segment  long,  twice  as  long  as  wide;  the  fol- 
lowing segments  very  short,  equal,  but  all  distinctly  visible.  Wings 
hyaline,  fringed,  the  venation  yellowish,  the  marginal  vein  punctiform. 

Habitat. — Centerville,  Fla. 

Type  in  National  Museum. 

Described  from  a  single  specimen  received  from  Mr.  H.  G.  Hubbard, 
reared  September  4,  1880,  from  the  eggs  of  a  Iteduviid. 

Telenomus  pusillus,  Hp.  no  v. 

9.  Length,  0.0""".  Black,  shining;  hea<l  transverse  quadrate,  pol- 
ished; eyes  pubescent;  thorax  microscopically  punctate;  scape  and 
legs  pallid  yellow  or  whitish.  Antenna'  11-joiuted,  the  flagellum 
brownish;  pedicel  nearly  twice  as  hmg  as  the  first  funiclar  joint;  first 
and  second  funiclar  joints  eipial;  the  third  and  fourth  shorter,  subequal, 
the  fourth  being  transverse.  Wings  hyaline,  fringed;  the  nervures 
pale  yellowish,  the  marginal  nervure  being  one  half  the  length  of  the 
shaft  of  the  stigmal.  Abdomen  not  quite  as  long  as  the  head  and 
thorax  united,  triangularly  pointed  at  apex,  when  viewed  from  above, 
polished;  the  first  segment  narrow,  striated;  the  second,  widened  at 
apex,  but  still  twice  as  long  as  wide  at  apex. 

Habitat. — Arlington,  Ya.  -  .    - 

Type  in  Coll.  Aslimead. 

Its  minute  size  and  ]>allid  legs  distinguish  it  from  T.  Hubbardi  with, 
which  it  agrees  in  the  shape  of  the  head  and  the  abdomen. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTEYPID^.     147 
Telenomus  Koebelei,  sp.  nov. 

9  .  Length,  1'""'.  Bla<;k,  shining,  the  thorax  finely  punctate,  devoid 
of  pubescence,  scutellum  smooth,  polished.  Head  transverse-quadrate, 
as  wide  as  the  thorax,  the  face  rather  tiat,  smooth.  Eyes  with  a  fine 
pubescence.  Mandibles  black.  Antennje  11-jointed,  rather  short, 
black,  the  pedicel  longer  than  the  first  funiclar  joint,  the  second  sub- 
equal  with  the  first,  the  third  much  shorter  than  the  second;  the  club 
is  gradually  fusiform  from  the  fourth  funiclar  joint,  the  first  and 
8e(!ond  joints  transverse-quadrate,  the  third  quadrate,  the  fourth 
slightly  smaller  than  the  third  quadrate,  the  last  cone-shaped.  Legs 
black;  trochanters,  a  small  spot  on  knees,  and  the  tarsi,  dull  honey- 
yellow.  Abdomen  a  little  longer  than  the  thorax,  smooth,  shining, 
the  first  segment,  and  the  second  at  base,  striated ;  the  second  segment 
is  at  least  1 J  times  longer  than  wide;  all  the  following  segments  are 
exceedingly  short,  but  distinct,  in  this  respect  differing  from  the  typical 
forms  in  the  genus.  Wings  hyaline,  with  a  short  fringe;  the  venation 
yellowish,  the  marginal  vein  half  the  length  of  the  stigmal. 

Habitat. — Alameda,  Cal. 

Types  in  National  Museum. 

Described  from  three  si)ecimen8  reared  by  Mr.  A.  Koebele  from  an 
egg  of  some  large  unknown  bombycid,  probably  an  Attacus. 

Telenomus  nigriscapus,  Hp.  uov. 

S  9  .  Length,  O.S"'"'.  Black,  shining,  the  thorax  with  a  fine  white 
pubescence.  Head  very  broad,  the  face  polished.  Mandibles  black. 
Antennie  in  9  11-jointed,  the  scape  black,  the  flagellum  brown-black, 
tip  of  pedicel  yellowish;  the  pedicel  is  not.longer  than  the  first  funiclar 
joint;  the  second,  third,  and  fourth  funiclar  joints  are  about  equal, 
moniliform,  the  first  four  joints  of  club  transverse-quadrate.  Thorax 
convex.  Legs  black,  the  trochanters,  anterior  tibirp,  and  all  knees  and 
tarsi,  honey-yellow,  the  middle  and  hind  tibite  piceous.  Abdomen 
fully  as  long  as  the  thorax,  truncate  at  tip,  polished,  the  second  seg- 
ment about  one-fourth  longer  than  wide.  Wings  hyaline,  fringed,  the 
venation  pale  yellow  ish ;  the  marginal  vein  is  at  least  one-third  the 
length  of  the  stigmal. 

In  the  6  the  legs,  including  the  coxje,  are  uniformly  reddish-yellow; 
antenuiie  12  jointed,  pale  brown,  the  scape  i)aler;  the  pedicel  is  distinctly 
smaller  than  the  first  funiclar  joint,  the  second  and  third  a  little  longer 
and  stouter  than  the  first,  the  joints  beyond  to  the  last  round-monili- 
form,  the  last  conic,  twice  as  long  as  the  penultimate.  _  _L'L 

Habitat. — Agricultural  College  P.  O.,  Mich. 

Types  in  National  Museum. 

Described  from  1  S  and  1  9  received  from  Prof.  A.  J.  Cook. 


148  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

TelenomuB  utahensis,  sp.  nov. 

(5  9.  Length,  0.8'""\  Black,  shining;  the  thorax  microscopically 
punctate,  covered  witli  a  fine  pubescence ;  the  head  very  little  more 
than  thrice  as  wide  as  long,  finely  shagreened ;  anteiune  black,  the 
pedicel  at  tip  tinged  with  yellow;  legs  black,  trochanters,  knees,  an- 
terior tibije,  except  sometimes  a  blot(;h  above,  and  the  tarsi,  honey- 
yellow.  Antennae  in  $  ll-joiiited,  the  first  funiclar  joint  longer  than 
the  pedicel,  the  second  half  the  length  of  the  first,  the  third  and  fourth 
short,  transverse ;  the  fourth  the  broader,  nearly  as  wide  as  the  club ;  the 
club  joints  quadrate,  the  first  the  largest  and  a  little  the  broadest,  last 
joint  conic.  Wings  subhyaline,  pubescent,  iridescent,  with  short  cilia, 
the  nervures  brown,  the  marginal  about  one-third  the  length  of  the 
stigmal. 

Abdomen  broadly  oval,  truncate  at  apex,  the  petiole  striate,  the 
second  segment  one-half  broader  than  long. 

In  the  (J  the  antenna;  are  12-jointed,  filiform,  the  first  funiclar  joint 
about  twice  as  long  as  the  pedicel,  the  second  and  third  funiclar  joints 
a  little  shorter  than  the  first,  subequal;  the  joints  beyond,  to  the  ninth, 
moniliform;  the  ninth,  a  little  longer  than  thick,  and  two-thirds  the 
length  of  the  last  joint,  which  is  pointed,  conic. 

Habitat. — Wasatch  and  Salt  Lake,  Utah. 

Types,  S  and  $  ,  in  Coll.  Ashmead. 

Described  from  specimens  received  from  Mr.  E.  A.  Schwarz ;  collected 
June  13  and  27,  1891. 

Telenomus  noctuae,  sp.  uov. 

i  9  .  Length,  0.6""".  Black,  polished,  pubescent,  the  thorax  highly 
convex,  microscopically  punctate;  antenme  in  $  brown-black,  in  ^  yel- 
low; legs  yellow  to  brownish-yellow,  the  femor.a  and  tibife  in  the  9 
dusky.  Head  about  thrice  as  wide  as  long  antero-posteriorly.  Eyes 
pubescent.  Antenna;  9  11 -jointed,  less  than  twice  as  long  as  the 
scape;  the  pedicel  is  stouter,  and  nearly  twice  as  long  as  the  first  funi- 
clar joint,  the  latter  only  a  little  longer  than  thick,  the  second  monili- 
form, the  third  and  fourth  equal,  transvt  ..se-moniliform;  the  club 
rather  stout,  the  first  joint  transverse,  twice  as  wide  as  long,  the  second, 
third,  and  fourth  joints  about  equal,  transverse-quadrate,  a  little 
broader  than  long,  the  last  conic.  Wings  hyaline,  ciliated,  the  ner- 
vures brownish-yellow,  the  marginal  vein  punctiform,  about  twice  as 
long  as  thick.  Abdomen  not  quite  as  long  as  the  thorax,  truncate  be- 
hind, the  second  segment  wider  than  long.        . 

-^  In  the  S  the  antennre  nre  12  jointed,  filiform-moniliform,  yellow,  the 
joints  loosely  articulated,  with  short  bristly  hairs;  the  pedicel  is  smaller 
than  the  first  funiclar  joint;  the  first  three  funiclar  joints  are  elongate, 
the  second  being  a  little  the  largest,  the  third  the  smallest,  the  follow- 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     149 

iug  joints  to  the  last  mouiliform,  briedy  ])edicellate,   the  hist  cone- 
shaped,  as  hmg  as  the  first;  legs  yellow. 

Habitat. — Washington,  D.  C. 

TjT)es  in  Coll.  Ashmead. 

Described  from  many  specimens  reared  in  June  from  the  eggs  of  an 
unknown  Noctuid  moth. 

Telenomus  gnophselae,  sp.  nov. 

S  $  .  Length,  O.S'""'.  Black,  shining,  the  thorax  microscopically 
punctate.  Head  transverse,  wider  than  the  thorax,  the  face  ijolished, 
impunctured,  the  vertex  iaintly  shagreened.  Eyes  slightly  bristly. 
Mandibles  rufous.  AntennsB  "?  11-jointed,  black,  the  pedicel  much  longer 
than  the  first  funiclar  joint,  the  second  funiclar  joint  very  slightly  shorter 
than  the  first,  the  third  not  more  than  half  the  length  of  the  second,  the 
club  much  more  slender  than  usual.  Legs  black;  trochanters,  knees, 
base  and  apex  of  tibijp,  and  the  tarsi,  honey-yellow.  Abdomen  shorter 
than  the  thorax,  broadly  truncate  behind,  the  first  and  second  seg- 
ments at  base,  striate,  the  second  being  broader  than  long.  Wings 
hyaline,  fringed,  tho  venation  brown,  the  marginal  vein  half  the  1«  ;th 
of  the  stigmal. 

In  the  $  the  antennae  are  12-jointed,  filiform,  brown,  the  pedicel 
smaller  than  the  first  funiclar  joint,  the  first  and  third  funiclar  joints 
about  equal,  the  second  very  slightly  longer  than  either  of  the  others, 
the  joints  beyond  to  the  last,  moniliform,  the  last  conic,  twice  as  long 
as  the  penultimate;  legs  reddish-yellow,  the  coxa?  dusky  or  black. 

Habitat. — Sisson,  California. 

Types  in  National  Museum. 

Described  from  many  specimens  reared  August  24,  1890,  by  Mr.  A. 
Koebele,  from  the  eggs  of  Gnopha'la  hopferi  Grote. 

Teleuomus  gracilicornis,  sp.  iinv. 

9  .  Length,  0.8"'"'.  Head,  scutellum,  and  abdomen  polished  black, 
shining;  thorax  microscopically  punctate,  suboj^aque,  with  a  fine  pubes- 
cence; scape  black,  the  fiagellum  brown  black,  the  pedicel  yellowish 
at  tip;  legs  black;  the  trochanters,  knees,  anterior  tibue,  except  a 
blotch  above,  and  the  tarsi,  honey-yellow.  Antennje  11-jointed,  the 
club  rather  slender;  the  fiagellum  twii-e  as  long  as  the  scape;  the  first 
funiclar  joint  is  about  two-thirds  the  length  of  the  pedicel,  the  second  a 
little  shorter  than  the  first  but  still  a  little  hmger  than  thick ;  the  third 
and  fourth  moniliform,  about  etpial  in  size;  the  first  joint  of  club  is  sub- 
moniliform,  transverse,  a  little  larger  than  the  last  funiclar  joint,  the  sec- 
ond, transverse-quadrate,  the  third  and  fourth  quadrate,  slightly  longer 
than  the  second,  the  last  pointed,  conic.  Wings  subfuscous,  the 
venation  brown,  the  marginal  vein  punctiform,  hardly  twice  as  long  as 
thick.    Abdomen  not  longer  than  the  thorax,  truncate  at  apex,  spatu- 


150  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

late,  not  striate  basally,  the  secoud  segment  scarcely  longer  tliau  wide 
at  apex. 

Habitat. — Ottawa,  Canada. 

Type,   9  ,  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Teleuomus  califomicus,  sp.  nov. 

9  .  Length,  CS"""".  Black,  shining,  the  thorax  microscopically  punc- 
tate and  covered  with  a  fine  pubescence.  Head  transverse,  as  wide  as 
the  thorax,  the  face  smooth,  polished.  Eyes  pubescent.  Mandibles 
black.  Antenna?  11-jointed,  black,  the  pedicel  distinctly  longer  than 
the  first  funiclar  joint,  the  first  three  funiclar  joints  subequal,  all  longer 
than  thick,  the  fourth  moniliform,  the  first  joint  of  the  club  small,  trans- 
verse, the  second,  third,  and  fourth  nearly  equal,  transverse-quadrate, 
the  last  short,  cone-shaped.  Legs  black,  the  trochanters,  knees,  ex- 
treme tips  of  the  tibiiii  and  the  tarsi,  honey-yellow.  Abdomen  very 
slightly  longer  than  the  thorax,  polished,  the  first  segment  striated, 
the  second  about  as  long  as  wide.  Wings  hyaline,  fringed,  the  vena- 
tion pale  brownish-yellow,  the  marginal  vein  one-third  the  length  of 
the  stigmal. 

Habitat. — Los  Angeles,  Cal. 

Types  in  National  Museum. 

Described  from  4  9  specimens,  reared  by  Mr.  D.  W.  Coquillett  from 
the  eggs  of  an  unknown  Orgyia. 

Telenomus  persimilis,  sp.  nov. 

9.  Length,  1.5""".  Black,  shining,  the  thorax  distinctly  punctulate, 
subopaque,  pubescent;  the  head  2^  times  as  wide  as  long,  polished,  the 
vertex  toward  the  eyes  alutaceous ;  legs  rufous,  the  coxae  black.  An- 
tc:>n{e  11-jointed,  black,  the  pedicel  shorter  than  the  first  funiclar  joint, 
its  apical  margin  yellow,  the  second  funiclar  joint  is  two-thirds  the 
length  of  the  first,  the  third  and  fourth  shorter  than  the  second,  sub- 
equal,  the  fourth  being  rounded;  the  club  is  rather  slender,  the  first 
joint  transverse  and  shorter  than  the  following,  the  second,  third,  and 
fourth  equal,  quadrate,  the  last  conic.  Wings  hyaline,  fringed,  the 
venation  pale  brown,  the  marginal  vein  one-third  the  length  of  the  shaft 
of  the  stigmal.  Abdomen  oval-subtruncate  at  apex,  a  little  longer  than 
the  thorax,  smooth,  polished,  the  first  segment  wider  than  long,  striate, 
the  second  not  longer  than  its  width  at  apex,  the  following  short,  the 
third  being  twice  as  long  as  the  fourth;  the  suture  between  the  first 
and  second  segments  is  striated. 

Habitat. — Arhngton,  Va. __ 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Since  this  was  written  I  have  seen  specimens  of  this  species  reared 
from  unknown  hemipterous  eggs  in  Michigan. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^E.     151 
Telenomus  giaptse  How. 
Scudd.  But.  New  Enj,'.,  p.  1896. 

S9.  Length,  0.0"'"'.  Black,  shining.  IlesKl  transverse,  wider  than 
the  thorax,  the  face  polished,  the  vertex  snboparine.  Eyes  slightly- 
bristly.  Mandibles  piceous-black.  Antennie  in  9  11-jointed,  black, 
very  gradually  clavate,  the  club  less  distinctly  defined  than  usual;  the 
pedicel  a  little  longer  and  stouter  than  the  first  funicular  joint,  the  second 
and  third  funiclar  Joints  nionilifonn,  the  second  very  slightly  hmger  than 
the  third,  the  latter  a  little  transverse;  first  and  second  joints  of  club 
transverse,  the  third  and  fourth  quadrate,  the  last  conic.  Legs  piceons- 
brown,  almost  black,  the  trochanters,  knees,  tips  of  tibia*,  and  tarsi, 
pale.  Abdomen  a  little  shorter  than  the  thorax,  truncate  posteriorly, 
the  first  segment  transverse,  finely  striated,  the  second  wider  than  long, 
smooth  and  polished,  the  suture  between  it  and  the  first  with  some 
stria;.  Wings  hyaline,  fringed,  the  venation  yellowish,  the  marginal 
vein  one-third  the  length  of  the  shaft  of  the  stigma. 

In  the  S  the  antennje  are  12-joiuted,  filiform,  the  scape  black,  the 
flagellum  brown;  the  pedicel  is  shorter  than  the  first  funiclar  joint,  the 
second  and  third  funiclar  joints  about  equal,  and  longer  than  the  first, 
the  joints  beyond  to  the  last,  round  nioniliform,  slightly  pedicellate,  the 
last  conic,  twice  as  long  as  the  penultimate.  Legs  brown,  the  anterior 
tibia",  trochanters,  base  and  apex  of  the  tibiie,  and  the  tarsi,  honey- 
yellow. 

Habitat. — District  of  Columbia. 

Types  in  National  Museum. 

Redescribed  from  many  specimens  reared  by  Dr.  Riley,  September 
16,  1886,  from  the  eggs  of  Grapta  interrogationis  Fabr. 

Telenomus  spilosomatis,  sp.  iiov. 

i  9  .  Length,  0.6"'"'.  Polished  black,  impunctured,  the  thorax  with 
a  fine  microscopic  i)ubescence.  Eyes  bare.  Mandibles  black.  An- 
tenniP  9  11-jointed,  the  scape  black,  the  fiagellum  dark  brown;  the  pedi- 
cel is  longer  than  the  first  funiclar  joint;  the  second  and  third  funiclar 
joints  are  equal,  nioniliform;  the  first  joint  of  the  club  is  transverse, 
the  second,  third,  and  fourth  about  equal,  quadrate,  the  last  cone-shaped. 
Legs  piceous-brown,  the  trochanters,  knees,  apices  of  tibia*,  and  the 
tarsi,  pale  brownish  yellow.  Abdomen  not  longer  than  the  thorax, 
smooth  and  shining,  the  first  segment  transverse,  the  second  wider 
than  long,  the  terminal  segments  retracted  within  the  second.  Wings 
hyaline,  fringed,  the  venation  jiale  y«'llowish,  the  marginal  vein  very 
slightly  longer  than  half  the  length  of  the  stigmal. 

In  the  (5  the  antennse  are  12  jointed,  filiform,  pale  brown,  the  pedicel 
distinctly  longer  than  the  first  funiclar  joint,  the  second  and  third  funi- 
clar joints  about  equal,  longer  than  the  first,  the  joints  beyond  round, 


152  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

moiiiliform,  the  hist  coue-sUaped,  twice  as  loug  as  the  penultimate;  legs 
pale  brownish  yellow,  the  coxa^  black. 

Habitat. — District  of  Columbia. 

Types  in  National  Museum. 

Described  froui  several  specimens  reared  by  Dr.  Kiley,  from  the  eggs 
of  8pilosoma  virginica  Fabr. 

Telenomus  minimus,  sp.  nov. 

5  .  Length,  O.G™"".  Black,  shining,  pubescent,  the  dorsum  of  thorax 
flattened,  the  pedicel  at  apex  and  the  two  last  funiclar  joints,  trochan- 
ters, knees,  and  tarsi,  yellowish,  restof  thelegs  pale  brownish.  The  head 
is  twice  as  wide  as  long,  or  very  slightly  wider,  highly  polished,  face 
convex,  eyes  pubescent.  Mandibles  and  throat  brownish-yellow.  An- 
tennae 11-jointed,  the  pedicel  more  than  twice  as  long  as  the  first  funiclar 
joint,  the  latter  not  longer  than  thick,  the  three  following  joints  exceed- 
ingly short,  transverse,  the  last  the  smallest,  the  first  joint  of  club  short, 
crescent-shaped,  the  second  semicircular,  the  third  and  fourth  quadrate, 
the  last  ovate.  Wings  hyaline,  pubescent,  the  venation  pale  brown,  the 
marginal  vein  about  half  the  length  of  the  stigmal.  Abdomen  scarcely 
larger  than  the  thorax,  polished  black,  witliout  stria?  at  base,  the 
second  segment  not  as  long  as  wide,  the  third  about  one-third  the  length 
of  the  second,  the  following  very  short. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

Telenomus  heliothidis,  sp.  nov. 

$  .  Length,  0.6'""'.  Black,  smooth,  impunctured.  Head  large,  much 
wider  than  the  thorax.  Eyes  notpubescent.  Antenna}  11  jointed,  dark 
brown,  the  flagellum  twice  as  loug  as  the  scape,  the  pedicel  stout  and 
as  long  as  the  first  and  second  funiclar  joints  together,  the  first  funiclar 
joint  scarcely  longer  than  thick,  the  second,  third  and  fourth  about 
equal,  not  longer  than  thick,  the  fifth  larger,  moniliform,  club  4-jointed, 
the  seccmd  and  third  joints  quadrate,  the  last  conic.  Thorax  very 
faintly  pubescent,  almost  bare.  Wings  hyaline,  with  a  long  fringe. 
Legs  dark  brown,  the  tarsi  pale.  Abdomen  not  longer  than  the  thorax, 
broadly  truncate  behind,  the  first  segment  exceedinJy  short. 

Habitat. — Shreveport,  La. 

Type  in  National  Museum. 

Described  from  one  9  specimen,  reared  in  January,  1891,  by  Mr.  F.  W« 
Mally,  from  the  eggs  of  Heliothis  armUjcra. 

Telenomus  orgyiae  Fitsh. 

TeJenowiua  or^i/ifK  Fitch,  Eighth  N.  Y.  Rep.,  p.  197.    -  —  

Teleaa  orgyia'  Ashiu.,  Ent.  Am.,  iii,  p.  100. 

S  9.  Length,  0.8""".  Black,  shining;  the  thorax  microscopically 
punctate,  with  a  fine  sericeous  down ;  the  head  a  little  more  than  3  times 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     153 

as  wide  as  thick  smtcio  posteriorly,  the  face  highly  polished,  the  eyes 
pubescent;  thorax  highly  convex;  legs  black  or  piceous-brown,  the 
trochanters,  knees,  tips  of  tibiiB,  and  tarsi,  pale  or  yellowish ;  in  male 
always  pale. 

Antenn;t3  in  9  11-jointed,  black;  pedicel  longer  than  the  first  funiclar 
joint,  pale  at  ti^);  second  and  third  funiclar  joints,  moniliforni,  the  sec- 
ond slightly  the  larger,  third  very  small ;  in  $  12-jointed,  filiform,  hairy, 
brown;  first  three  funiclar  joints  almost  equal  in  length,  about  twice  as 
long  as  the  pedicel,  the  first  the  stoutest,  the  third  a  little  curved;  re- 
maining joints,  exceiJt  the  last,  moniliform,  loosely  joined,  the  last  conic. 
Wings  hyaline,  fringed,  the  venation  pale  brown,  the  marginal  vein 
about  one-third  as  long  as  the  stigmal. 

Abdomen  oval,  about  as  long  as  the  thorax,  bhick  and  highly  polished, 
the  first  and  second  segments  without  striie. 

Habitat. — New  York  and  Ottawa,  Canada. 

Specimens  in  Coll.  Ashmead. 

Described  from  several  specimens,  in  both  sexes,  bred  by  Mr.  W. 
H.  Harrington  from  eggs  Orgyia  sp.  at  Ottawa. 

Telenomus  ichthyurae,  sp.  i-.ov. 

^  9 .  Length,  5.0'""'.  Black,  shining,  impunctured,  the  thorax 
covered  with  a  fine  microscopic  pubescence.  Head  very  wide,  wider 
than  the  widest  part  of  the  thorax,  the  face  convex,  polished.  Mandi- 
bles piceous.  Antennte  -in  9  11-jointed,  black,  the  flagellum  one  and 
a  half  times  as  long  as  the  scape,  the  pedicel  much  longer  than  the 
first  funiclar  joint,  the  latter  only  a  little  longer  than  thick,  the  second 
and  third  joints  equal,  moniliform,  the  fourth  still  smaller,  the  joints  2, 
3  and  1  of  club,  quadrate,  the  last  short,  conic.  Thorax  high,  convex. 
Legs  piceous-brown,  coxai  black,  trochanters,  knees,  base,  and  apex 
of  tibiai  and  the  tarsi  honey-yellow.  Abdomen  not  as  long  as  the 
1|jorax,  broadly  truncate  posteriorly,  polished,  the  first  segment  trans- 
verse, thrice  as  wide  as  long,  the  second  much  wider  than  long  and 
occupying  most  of  the  surface,  the  remaining  segments  scarcely  visi- 
ble, more  or  less  retracted  within  the  second.  Wings  hyaline,  fringed, 
the  venation  pale;  the  marginal  vein  is  very  short,  punctiform,  the 
stigmal  oblique,  nearly  four  times  the  length  of  marginal. 

In  the  $  the  antennfe  are  filiform,  12-jointed,  jiale  brown,  the  pedicel 
slightly  longer  than  the  ffrst  funiclar  joint,  the  second  and  third  stouter 
and  longer  than  the  first,  about  equal  in  length,  the  joints  beyond  to 
the  last  distinctly  transverse,  the  last  conic;  the  legs,  except  the  black 
coxsv,  are  pale  brownish-yellow. 

Habitat. — Washington,  D.  C. 

Types  in  National  Museum.    — ^  ^ — -—  ,. — .^ __....         -__, 

Described  from  many  specimens,  in  both  sexes,  reared  by  Dr,  Kiley 
from  the  eggs  of  Ichthyura  inclusa  Hiiba. 


154  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Telenomus  infiiscatipes  AhIiiu. 

Teleait  infuacafipes  AHhm.,  Eiit.  Am.,  iii,  \>.  100;  9  (?  • 

i  9  .  Length,  0.8""".  Polisliod  black ;  the  thorax  finely  pul)eH<'ent ; 
the  head  thrice  as  wide  as  long,  the  face  very  <'onvex;  eyes  bare;  an- 
tennaf  brown-black,  the  scai>e  pale,  at  base;  legs  brown,  the  t!0X5B  an<l 
middle  of  femora  and  tibia-i  dusky;  mandibles  rufous.  Antenna;  9  11- 
joiuted,  the  flagellum  one  and  a  half  times  as  long  as  the  scape,  the 
pedicel  twice  as  large  as  the  first  funidar  joint,  the  second  and  third 
funiclar  joints  moniliform,  a  little  transverse,  the  fcmrth  very  small, 
transverse;  the  first  joint  of  club  very  short,  crescent-shaped,  thrice 
as  wide  as  the  last  joint  of  the  funide;  the  second,  third,  and  fourth 
joints  very  wide,  transverse-quadrate,  twice  as  wide  as  long,  the  last 
ovate.  Wings  hyaline,  pubescent,  the  venation  yellowish-brown,  the 
marginal  vein  about  half  the  length  of  the  stigmal.  Abdomen  not 
longer  or  wider  than  the  thorax,  the  first  segment  striate,  the  second 
a  little  wider  than  long. 

In  the  S  the  antenna;  are  12-jointetl,  long,  filiform,  the  first  funiclar 
ioint  iucrassated. 

Habitat. — Jacksonville,  Fla. 

Types  in  (loll.  Ashmead. 

Described  from  one  S  and  two  9  specimens.  The  S  of  this  species  is 
now  destroyed,  but  it  should  be  recognized  again  if  rediscovered  by  the 
incrassated  first  joint  of  the  funicle. 

Telenomus  bifidus  Kiley. 

Rep.  U.  S.  Dept.  Agiic.  1886,  p.  531,  <?  9  ;  Cress.  Syn.  Ilyin.,  p. 248. 

$  9  .  Length,  O.O""'".  Black,  shining,  the  thorax  microscopically 
punctulate  and  covered  with  a  fine  white  pubescence.  Head  as  broad 
as  the  widest  part  of  the  thorax,  highly  polished,  impunctured.  Eyes 
almost  bare.  Mandibles  brown.  Antennae  9  11-jointed,  the  scape  black, 
the  flagellum  brown-black,  the  pedicel  brownish-yellow,  distinctly  longer 
and  stouter  than  the  first  funiclar  joint,  the  second  and  third  funiclar 
joints  equal,  moniliform,  the  first  joint  of  the  club  small,  transverse,  the 
second  longer,  the  third  and  fourth  transverse-quadrate,  the  last  cone- 
shaped.  Legs  honey-yellow,  the  femora  slightly  obfuscated,  the  coxae 
bla<3k.  Wings  hyaline,  fringed,  the  venation  yellowish,  the  marginal 
vein  nearly  half  the  length  of  the  stigmal.  Abdomen  slightly  shorter 
than  the  thorax,  polished,  the  first  segment  slightly  wider  than  long- 

In  the  S  the  antennsB  are  12-jointed,  filiform,  and  of  a  uniform  pale 
brownish-yellow,  the  pedicel  scarcely  longer  than  the  first  funiclar  joint, 
the  first  and  second  funiclar  joints  nearly  equal  in  length,  the  third 
slightly  shorter,  the  joints  beyond  round,  or  moniliform,  the  last  conic 
a  little  less  than  twice  as  long  as  the  penultimate ;  legs  pale  yellow. 

Habitat. — District  of  Columbia.  -  .,  ,  .^ 

Types  in  National  Museum.  '  .•  i    : 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRYPID^.     155 

The  species  was  reared  by  Dr.  Kiley,  July  27,  188(},  from  the  egps  of 
Hyphantria  textor  Harris. 

TelenomuB  macullpennls,  np.  nov. 

9  .  Length,  O.fi""".  Polished  black,  impunctured,  the  first  segment 
and  the  second,  for  half  its  length,  s      ite;  tarsi  whitish. 

Head  transverse,  very  little  more  tl  .  twice  as  wide  as  thick  antero- 
posteriorly.  Eyes  bare.  Antenna*  11-jointed,  the  scape  short,  less  than 
half  the  length  of  the  Hagellum,  the  pedicel  large  and  much  stouter  than 
the  funiclar  Joints,  as  longas  the  first  and  second  funi<'lar  joints  together, 
pale  at  apex,  first  and  second  funiclar  Joints  equal,  scarcely  longer  than 
thick,  the  third  and  fourth  still  smaller,  minute,  moniliform;  club  fusi- 
form, longer  thau  the  scape,  the  first  Joint  transverse,  the  second  a  little 
wider  and  longer,  the  third  still  wider,  quadrate,  the  fourth  a  little  nar- 
rower, quadrate,  the  last  conic.  Thorax  subconvex.  Wings  hyaline, 
ciliated,  with  a  dusky  baud  across  the  middle  below  the  marginal  vein ; 
the  stigmal  vein  snort,  with  a  spurious  vein  extending  into  the  middle 
of  the  wing  from  the  knob;  marginal  v^ein  about  as  long  as  the  stigmal. 
Abdomen  about  as  long  as  the  head  and  thorax  together,  the  seeond 
segment  a  little  hmger  than  wide,  with  the  basal  half  very  finely,  longi- 
tudinally striated. 

Habitat. — Jacksonville,  Fla. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  single  spetnmen  captured  while  sweeping. 
The  banded  wings  and  the  short  stigmal  vein,  with  a  branch  or  uncus, 
from  its  tip,  readily  distinguish  the  species. 

Telenomus  sphingis  Aslim. 

(Plate  VII,  Fig.  7,  9.) 

Teleaa  Dphingis  Ashm.,  Bull.  No.  14,  Div.  Ent.,  U.  S.  Dept.  Agric,  p.  18;  Ent.  Am. 
Ill,  p.  100;  Cress.  Syn.  Hym.,  p.  313. 

$  9  .  Length,  0.S5  to  1""".  Black,  shining,  the  thorax  very  faintly 
microscopically  punctate,  finely  pubescent;  antennrB  brown  to  dark 
brown,  the  scape  rarely  entirely  black,  usually  pale  benea*^''  or  ^^  i>ase 
and  apex;  legs  pale  brown,  or  brownish-yellow,  the  coxje  black,  the  fem- 
ora and  tibite  more  or  less  embrowned.  Head  thrice  as  wide  as  long; 
the  eyes  pubescent,  the  mandibles  piceous  or  brown.  Antennae  9  11- 
Jointed,  the  pedicel  longer  and  stouter  than  the  first  funiclar  joint,  yel- 
low at  tip,  the  latter  scarcely  longer  than  thick,  second  and  third  joints 
not  longer  than  thick,  the  fourth  short,  transverse,  a  little  wider  than  the 
third,  the  club  about  as  long  as  the  funicle  and  pedicel  united,  the  first 
joint  transverse  not  so  wide  as  the  second,  the  second,  third,  and  fourth, 
quadrate,  the  last  conic.  Wings  hyaline,  ciliated,  the  venation  pale 
brownish  or  yellowish,  the  marginal  vein  a  little  longer  thau  half  the 
length  of  the  stigmal.  Abdomen  black,  polished,  not  longer  than  the 
thorax,  truncate  at  apex,  the  first  segment  and  the  suture  betweeu  the 


156  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

iirst  and  second  Ktriatc;  the  second  Si'guient  is  halt'  n^nhi  an  lung  as 
wide. 

In  the  S  the  antenna'  and  lejjs  are  yellow,  the  coxa*  black,  or  dusky, 
the  i)edicel  slijihtly  shorter  than  the  first  funiclar  joint,  the  first  three 
fiiniclar  joints  ©(jual,  one  and  a  half  times  as  long  as  thick,  the  following 
to  the  last,  nioniliforni,  subpedicellate. 

IIahitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Described  from  many  specimens,  reared  from  the  eggs  of  Sphinx 
Carolina  Linn. 

TelenomuB  Rileyi  How. 
Scmlder,  IJutterflies  New  Eng.,  p.  1896. 

9 .  Length,  C.G"""'.  Black,  shining,  the  thorax  with  a  fine  micro- 
scopic punctation  and  down.  Head  broadly  transverse,  slightly  more 
than  thrice  as  wide  as  long.  Eyes  sliglitly  pubescent.  Mandibles 
brown.  Antennae  11-jointed,  dark  brown,  the  scape  pale  at  extreme 
base;  the  pedicel  is  a  little  longer  than  the  first  funiclar  joint;  the  sec- 
ond, third,  and  fourth  funiclar  joints  numiliform;  the  first  joint  of  the 
club  transverse,  the  second,  third,  and  fourth  joints  about  equal,  trans- 
verse-quadrate, the  last  cone-shaped.  Legs  dark  brown  or  piceous,  the 
trochanters,  knees,  and  tarsi,  honey-yellow.  Abdomen  very  slightly 
longer  than  the  thorax,  smooth,  p<dished,  the  first  segment  striated, 
the  second  a  little  wider  than  long.  Wings  hyaline,  fringed,  the  vena- 
tion pale,  the  marginal  vein  punctiform. 

Habitat. — Fairbury,  111. 

Types  in  National  Museum. 

Described  from  3  9  specimens,  reared  March  22,  1884,  from  the  eggs 
of  Apatura  elyUm  by  A.  H.  Mundt. 

Telenomus  gossypiicola,  sp.  nov. 

9 .  Length,  0.0""".  Black,  shining,  impunctured.  Head  broadly 
transverse,  not  quite  thrice  as  wide  as  long  antero-posteriorly.  Eyes 
bare.  Mandibles  pale  rufous.  Antennse  11-jointed,  brown,  the  scape 
blackish  above;  the  pedicel  is  slightly  longer  than  thefirst  funiclar  joint; 
the  second  and  third  funiclar  joints  equal,  moniliform ;  the  fourth  smaller, 
transverse;  the  first  joint  of  the  club  is  transverse,  the  second,  third, 
and  fourth  transverse  quadrate,  the  fourth  slightly  the  largest,  the 
last  cone-shaped.  Legs  dark  brown,  the  trochanters,  knees,  tips  of 
tibia?  and  the  tarsi,  yellow.  Abdomen  slightly  shorter  than  the  thorax, 
smooth,  polished,  the  first  segment  short,  transverse,  the  second  wider 
than  long.  Wings  hyaline,  fringed,  the  venation  pale,  the  marginal 
vein  about  half  the  length  of  the  stigmal. 


MONOGRAPH  OF  THE  NORTH  AMEHICAN  PKOCTOTKYPIDyE.     157 

Habitat. — Houjjjto  P.  O.,  Concordia  Tjirisli,  La. 
Tyi»e8  iu  National  Mu.seuin. 

D«>8cribe<l  from  <>  9  specimens,  reare<l  Aujxust  1»>,  1.S.S0,  from  lepidop- 
tenms  eggs  found  on  cotton. 

Telenomus  geometree,  hj).  nov. 

(J  9.  Length,  0.4.5 """.  Iila<!k,  sliining,  impunctnred.  Head  trans- 
verse, thrice  as  wide  as  h)ng,  the  face  convex,  highly  polished.  Eyes 
bare.  Mandibles  picecms-brown.  Antenna-  9  11  jointed,  dark  brown; 
the  pedicel  is  stout  and  at  least  twice  as  long  as  the  first  funiclar  joint; 
the  first  funiclar  joint  only  a  little  longer  than  thick,  the  second  sub- 
equal  with  it,  the  third  moniliform,the  fourth  very  small,  transverse;  the 
first  joint  of  the  dub  is  transverse,  the  second  larger,  transverse,  the 
third  and  fourth  larger,  quadrate,  the  last  conic.  Legs  brown,  the  pos- 
terior coxje  blai'kish,  the  trochanters,  knees,  tips  of  tibiae  and  tarsi, 
pale.  Abdomen  not  longer  than  the  thorax,  smooth,  polished,  the 
secoiul  segment  a  little  wider  than  long,  apex  truncate.  Wings  hya- 
line, friugetl,  the  venation  pale  yellowish,  the  marginal  vein  one-third 
the  length  of  the  stigmal. 

In  the  S  the  antenna'  are  12-jointed,  filiform,  pale  brown,  the  pedi- 
cel about  as  long  as  the  first  funiclar  joint,  the  first  three  funiclar  joints 
nearly  equal,  the  first  being  slightly  the  shortest,  the  joints  beyond 
round,  moniliform,  slightly  pedicellate,  the  terminal  joint  conic, 
slightly  more  than  twice  as  long  as  the  preceding.  Legs  pale  or 
yellowish,  the  femora  and  tibiae  dusky. 

Habitat. — ( ?)  District  of  Columbia. 

Types  in  National  Museum. 

Described  from  many  specimens  reared  from  the  eggs  of  an  unknown 
geometrid  moth  found  on  wild  cherry;  no  date  of  rearing  is  given. 

Telenomus  arzamse,  sp.  nov.,  Riley. 

"9.  Length,  0.8'""'.  Klack,  .shining,  the  head  and  thorax  with  a 
faint  microscoi)i(;  punctuation  and  finely  pubescent.  Head  transverse, 
slightly  more  than  thrice  as  wide  as  long,  p<>lished;  eyes  slightly 
pubescent;  mandibles  brown;  antennje  ll-jointi'd,  brown,  the  flag- 
ellum  darker  above  than  beneath ;  the  pedicel  is  scarcely  longer  than 
the  first  funicular  joint,  the  funicular  joints  subequal,  the  first  joint 
of  club  transverse,  the  second,  third,  and  fourth  about  ecjual,  trans- 
verse-quadrate, the  last  cone-shaped:  legs  rufous,  or  reddish-yellow, 
the  trochanters  and  tarsi  paler ;  sometimes  the  femora  and  tibiie  are 
more  or  less  obfuscated:  wings  hyaline,  fringed,  the  venation  pale 
brownish,  the  marginal  vein  about  half  the  length  of  the  stigmal. 
Abd<mien  j:s  long  as  the  thorax,  polished,  the  first  segment  striated, 
the  second  about  as  long  as  its  width  at  apex. 


158  HITLLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

"  In  the  $  the  antonnjj*  nn'  12-j()iiited,  tiliforin.  pale  brownish  yellow, 
the  tla{;ellum dusky  brown;  th«^  pediwl  shorter  tlian  the  first  funicular 
joint;  the  second  and  third  ciiual,  a  little  hinjjer  than  the  first,  the 
joints  beyond  oval-nioniliforra,  the  last  c<Miic,  nnich  lon^^er  than  the 
precedinj;;  legs  reddish  ycHow  or  brownish  yellow,  the  i)osterior 
eoxu!  dusky. 

"Described  from  many  .*«pe<'imens  reared  June  4  to  23,  1884,  from 
eggs  of  Arzama  dnina  Walk.'' — [From  JiUty^ti  MS.] 

llAKiTAT. — District  of  (Jolumbiu. 

Tyi>e8  in  ^National  iMuseum. 

TelenomuB  lavems.  sp.  nov. 

9  .  Length,  (M)""".  lilack,  shining,  the  thoi-ax  closely,  microscopic- 
ally punctulate.  Head  thrice  as  wide  as  long.  Eyes  bare.  Mandibles 
pieeous.  Antenna'  11-jointed,  brown,  the  scai)«'  pale  rufous,  the  ped- 
icel slightly  longer  than  the  first  funiclar  joint,  the  funiclar  joints  sub- 
equal,  the  joints  of  the  club  (ndy  a  little  wi<ler  than  long.  Wings 
hyaline,  fringed,  the  venation  yellowish ;  the  marginal  vein  about  one- 
third  the  length  of  the  stigmal.  Legs  brownish-yellow.  Abdomen  as 
long  as  the  thorax,  polished,  the  first  segment  striate,  the  second  not 
longer  than  wide. 

Habitat. — District  of  Columbia. 

Types  in  National  Museum. 

Described  from  specimens  reared  by  Dr.  Kiley,  June  21,  1884,  from 
from  eggs  of  La  rvrna  hivi/erella  Clem. 

TelenomuB  podisi,  sp.  nnv. 

$  9 .  Length,  1""".  Black,  shining,  the  thorax  very  finely  but 
distinctlj'  punctate,  and  with  a  white  pubescence.  Head  broadly  trans- 
verse, the  face  smooth,  the  vertex  under  a  strong  lens  exhibiting  a 
faintly  shagreened  or  alutaceous  surface.  Eyes  a  little  bristly.  Man- 
dibles brownish-yellow.  An t^nme  9  11-jointed,  brown,  bhe  scape  and 
I)edicel  yellow,  or  brownish-yellow ;  the  pedicel  is  distinctly  longer  than 
the  first  funiclar  joint,  the  second  subequal  with  the  first,  the  third  and 
fourth  small,  moniliform;  the  first  joint  of  the  club  i-:  transverse,  about 
half  the  length  of  the  second,  but  not  so  wide,  the  second  and  third 
transverse  quadrate,  the  fourth  quadrate,  the  last  cone-shaped,  not 
longer  than  the  preceding.  Legs,  including  coxie,  honey-yellow.  Abdo- 
men as  long  as  the  thorax,  polished,  the  first  segment  striate,  the 
second  as  wide  as  long,  striate  at  basal  sutnre.  Wings  hyaline,  fringed, 
the  venation  pale  yellow,  the  marginal  vein  less  than  half  the  length 
of  the  stigmal. 

In  the  $  the  antennje  are  12-jointed,  filiform,  the  first  three  funiclar 
joints  lengthened  and  thickened,  the  first  and  second,  about  equal,  the 
third  a  little  shorter;  the  pedicel  is  only  half  the  length  of  the  first 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     159 

funidar  joint,  the  joints  after  the  third  nionilit'unu,  th«'  hist  conii;;  legs, 
inchnlinj;:  coxu',  lnuieyyellow. 

Hahitat.— St.  Louis,  Mo. 

Types  ill  National  Museiun. 

Described  from  speciinens  reared  from  egjjs  of  Podisutt  xpinottuH  Dall., 
June  9,  1«79. 

Telenomns  ohryaopae,  h]).  nov. 

S .  Length,  0.6""".  Black,  shining,  the  thorax  inieroscopioally 
pun<!tate,  Avitli  a  fine  down.  Head  transverse,  thrice  as  wide  as  long. 
Eyes  with  a  few  hairs.  Mandibles  brown.  Antennae  11-jointed,  brown, 
the  i)edieel  hardly  as  long  as  the  tirst  funiclar  joint,  the  second  and 
third  funiclar  joints  about  equal,  longer  than  the  first,  the  joints  beyond 
to  last  oval-moniliforin,  slightly  pedi(;ellate,  the  last  conic,  about  twice 
as  long  as  the  penultimate.  Legs  dark  fuscous  or  brown,  the  coxjb 
black  or  blackish,  the  trochanters,  knees  and  tarsi,  i)ale.  Abdomen 
not  as  long  as  the  thorax,  spatulate,  smooth,  polished,  without  striie, 
the  second  segment  not  longer  than  its  width  at  apex.  Wings  hyaline, 
fringed,  the  venation  pale  brown,  the  marginal  vein  about  half  the 
length  of  the  stigmal. 

Habitat. — District  of  Columbia. 

Types  in  National  Museum. 

Described  from  4  $  specimens,  reared  from  the  eggs  of  Ghrysopa 
sp.  in  July. 

TelenomuB  ccelodasidis,  b]i.  uov. 

S  .  Length,  0.8""".  Black,  shining,  the  thorax  very  faintly,  micro- 
scopically punctate,  with  a  fine,  white  i)ubescence.  J  lead  transverse,  a 
little  broader  than  the  thorax,  the  vertex  exhibiting  a  faint,  shagreened 
punctuation,  the  face  smooth,  highly  iwlished.  Eyes  jiubescent.  Man- 
dibles pale  brown,  or  yellowish.  AuteniiiB  12-jointe<l,  brown,  the  fla- 
gcllum,  fully  as  long  as  the  body,  very  bristly,  the  pedicel  very  small, 
rounded,  not  half  the  length  of  the  first  funiclar  joint,  the  first  three 
funiclar  joints  stout  and  long,  the  first,  much  shorter  than  the  second, 
the  third,  a  little  shorter  than  the  second,  the  joints  beyond  oval-inonil- 
iform,  the  last  cone-shaped,  twice  as  huig  as  the  penultimate.  Legs 
piceous,  the  coxa?  black,  trochanters,  knees,  anterior  tibiie,  and  tips  of 
the  others  and  all  the  tarsi,  honey-yellow.  Wings  hyaline,  fringed, 
the  venation  pale  yellowish,  the  marginal  vein  about  half  the  length 
of  the  shaft  of  the  stigmal.  Abdomen  scarcely  as  long  as  the  thorax, 
polished,  the  first  segment  and  the  second  at  base,  striate,  the  latter 
wider  at  apex  than  long.  ;  , 

Habitat. — Washington,  D.  C.         _.   i„^, _i_   .^  l„-:_  .^^.^   -^ 

Types  in  National  Museum. 

Described  fipom  2  specimens  reared  August  31,  1882,  from  the  eggs 
of  Ccelodasys  leptinoides  Grote. 


IGO  BULLETIN    45,  UNITED    STATES   NATIONAL    MUSEUM. 

TeleiiomuB  clisiocampae  s)>.  nov.,  Riley. 

•'  2  .  Lenjfth,  0.(»"''".  Black,  .shiniiiji-,  the  thorax  alone  exhibiting  a 
faint  microscopic  punctation.  Head  transverse,  about  thrice  as  wide 
as  long:  ey«'S  faintly  bristly;  mandibles  brown;  antennae  11-jointed, 
black,  the  pedicel  much  longer  than  the  ftrst  funicular  joint,  the  second 
funicular  joint  subequal  with  the  first,  the  third  very  short,  moniliform ; 
the  first  joint  of  club  transverse,  small,  the  second,  third,  and  fourth 
equal,  quadrate,  the  last  bluntly  cone-shaped,  scarcely  longer  than  the 
preceding  and  narrower:  legs  dark  brown,  almost  black,  the  tro- 
chanters, a  small  sjwt  on  knees,  and  the  tarsi,  pale:  wings  liyaline, 
fringed,  the  venation  pale  brown,  the  marginal  vein  about  one-third  the 
length  of  the  stigmal.  Abdomen  longer  than  the  thorax,  pointed  at 
apex,  smooth  and  polished,  the  second  segment  longer  than  wide. 

"In  the  3  of  what  I  take  to  be  this  species,  the  aijtenna*  are  12-jointed, 
filiform,  brown,  the  pedicel  not  as  long  as  the  first  funicular  joint,  the 
second  and  thiid  about  equal,  very  slightly  longer  than  the  first,  the 
joints  beyond  ovoid-moniliform.  The  legs  show  nmch  more  yellow  than 
in  the  9  ,  the  knees,  broadly,  base  and  apex  of  tibiae  and  tarsi,  yellow. 
The  first  and  second  abd(miinal  segments  are  striiited  at  base;  while 
the  second  is  almost  twice  as  long  as  wide. 

"Described  from  one  9  reared  by  Albert  Koebele  from  the  eggs  of  a 
Clhiocampa  sp.  in  California,  and  (me  $  reare«l  by  C.  F.  Waters  in  Ne- 
braska, March  23, 1880,  from  the  eggs  of  Clisiocanqm  americuna  Harris." 
[From  Riley's  M8.] 

Habitat. — Placer  County,  Cal.,  and  Westerville,  Nebr. 
Types  in  National  Museum. 

?  Teleuomus  pennsylvanicus,  sp.  nov. 

9  .  Length,  1.2""".  lirown-black,  opaque,  coarsely  cribrately  punc- 
tate; the  face  with  a  deep  inq>ressi<)n  just  above  the  antenna'  and  with 
a  carina  between  the  antenna\  Antenna'  12-jointed,  brownish-yellow, 
the  club  fuscous;  the  pedicel  is  longer  than  the  first  funiclar  joint,  the 
second  subequal  with  the  first,  joints  ,3  and  4,  scarcely  longer  than 
thick,  the  club  o-jointed.  Mesiqdeura  cribrate  punctate,  with  a  rufous 
margin.  Wings  liyaline,  pubescent,  the  marginal  vein  a  little  longer 
than  half  the  h'ugtli  of  the  stigmal. 

Abdomen  broadly  oval,  sessile,  the  first  segment  transverse  withlon- 
gitiulinal  raised  lines,  the  following  segments  coarsely  shagreened. 

Habitat. — Pennsylvania. 

Type,  9  ,  in  Berlin  Museum. 

Described  from  a  single  specimen  labeled  "  Penn.  Zimmermann." 
This  species  is  at  once  distinguished  from  all  others  by  the  (Tibrate 
punctuation,  and  it  nniy  ultimately  form  the  type  of  a  new  fenus. 
My  recollection  of  it  is  that  it  closely  resemble<l  an  Uadronotum,  and  it 
is  jdaced  here  doubtfully.  j    .,      ?  •       *  ,       '  -V  ;» 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIU.E.      161 

Telenomus  rufoniger  Piov. 

A(l»l.  ot  ((irr..  !>.  403. 

^  .  Long.  10  pee.  T)'un  iioir  hiillant  cu  dessiis.  Ic  siapt^  iles  uiiti-niH^s.  la  ]»()itrine, 
les  pattes  ave<'  la  ba.se  «le  ralxlomeu  (Viin  Jaum^  pins  on  iiioins  nmx.  Ailes  uvec 
riiiiiin^riis  so  confondaut  avtic  la  iicrvure  costalc,  ulna  olargie,  ayaut  I'appan-nce  d'lm 
Hccond  Htigma ;  cellule  radiale  <nivert<%  la  partie  ant<>rienre  de  I'aile  plus  «»u  inoitiH 
()l>8(Mircie  de  roiissatre.     Abdomen  assez  court,  fla'    forme,  subsessile.     Cap  Rouge. 

irnknowxi  to  me.  The  sp<icies  is  certainly  not  a  true  TelenomiiH,  and 
appears  to  me,  judging  from  liis  description,  a  Ceraphronid. 

TRISSOLCUS  Ashinead.  gen.  nov. 
(Type  T.  brofhi/memr.  Asbin.) 

Head  very  large,  transverse,  niucli  broader  than  the  thorax,  the  frons 
convex,  the  occiput  deeply  concave,  the  upper  edge  of  which  is  sharp. 
Ocelli  3,  triangularly  arranged,  Avidely  separated,  the  lateral  a  little 
distant  from  the  margin  of  the  eye,  and  <onne(>ted  with  it  by  an  oblique 
grooved  Ihie.     Eyes  large,  subovate. 

Antenuje  inserted  close  to  the  moutii,  in  9  ll-jointed,  davate,  the 
funiele  .S-jointed,  the  club  (J-jointed.  in  i  12-jointed,  filiform,  with  the 
flagellar  joints  moniliform  or  submoniliform,  pubescent. 

Maxillary  palpi  3-jointed. 

Mandibles  bifid. 

Thorax  short,  ovoid,  convex,  the  collar  not  visible  from  above,  the 
mesonotum  with  3  furrows  abbreviate*!  anteriorly,  the  scutellum  semi- 
circular, the  metathorax  very  short. 

Front  wings  pubescent,  the  marginal  vein  usually  sluut,  the  stigmal 
vein  rather  long,  oblique;  postmarginal  long. 

Abdomen  broadly  oval,  depressed,  subsessile,  the  second  segment  tbe 
longest,  but  always  broader  than  long. 

Legs  as  in  Telenomus. 

This  genus  is  closely  allied  to  Telenomus,  but  is  leadly  distinguisiied 
by  the  three  abbreviated  mesonotal  grooves,  broader  head,  and  the  wide 
second  abdominal  segment. 

It  seems  to  be  i)arasitic  only  on  the  eggs  of  plant  bugs  belonging  to 
tlie  family  Peutatouiidfv. 

Our  species  may  be  thus  tabulate<l: 

TAIJLE   OF   SPECIES. 

Coxa- and  femora  black.       —  ■  - 

Trocbanters,  tiitw  of  ftiuora,  tibia-,  and  tarsi  boncv-yellow. 

Antenuie  -wbolly  bhuk,  rarely  with  the  distal  ends  of  scape  pale.  _      

First  funiclar  joint  as  long  as,  or  a  little  longer  than,  the  peilicei. 

Second  abdominal  segment  above  ]ongitu<linalIy  acicnlated;  scutellum  finely 

punctate T.  KisfinsTi  Ashni. 

Second  abdoniiual  segment  above  smooth,  not  acicnlatetl;  scutellum  smooth, 
polished ...,, T.  roiusi,  sp.  nov. 

21890— >'o.  io 11 


162  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Firwt  fiiuirliir  joint  shorter  than  the  pe<lict'l. 
Thorax  fiiu'ly  and  closely  imnctuto. 

Second  ahdoniinal  seynieiit  lon^itndinally  iicicnlatcd. 

Scntelhun  smooth,  polished T.  thyant-K,  sp.  nov. 

Thorax  rufjose. 

Second  abdominal  segment  jterfectly  smooth. 

Scutelliim  punctate  or  rugose T.  MrmiANTi.K,  s|>.  nov. 

Legs  and  scajx'  yellow,  or  pale  ferruginous;  cox.-e  1>la<'k. 
Pedicel  longer  than  the  first  fiiniclar  joint. 

Scutellum  rugoso-punctate,  suhopaque T.  lii'FiscAiTs.  sp.  nov. 

Scutellum  smooth,  polished T.  iskochy.mkn.k  Ashin. 

TrissolcuB  euschisti  Aslmi. 

TftfHomiiM  iimfliinluM  Ashm.,  Hull.  No.  ;-$,  Kans.  Ex.  Sta.,  .\i>j»..p.  ii  (1888). 

9  ,  Length,  l..")'"".  Black,  .sliiuiiig,  very  finely  <*l().*<ely  i»uii('ts»te,  tlie 
tlMU<'ix  with  a  white  pubeseeiice.  Head  very  large  and  broad,  the  face 
with  a  median  Inrrow.  Mandibles  pieeous-black.  Palpi  pale.  Anten- 
na' ll-.jointed,  dark  brown,  the  scape  at  ba.se  and  tip,  the  pedicel  and 
one  or  two  funiclar  joints  more  or  less  pale  brown  or  yellowish;  the 
pedicel  is  as  thick  and  as  long  as  the  first  fnniclar  joint,  the  latter  thrice  as 
long  as  thick,  the  two  following  joints  small,  the  club  slender,  fusiform, 
(i-jointed.  Mesonotum  with  3  al)bie\  iated  furrows  posteriorly;  scutel- 
lum smootli,  shining,  impuuctured.  Wings  hyaline,  the  venation  pale 
brown  or  ycUowish,  the  marginal  vein  about  one-third  the  length  of  the 
stigmal.  Legs  black;  the  trochanters,  tips  of  femora,  tibiie,  and  tarsi, 
honey-yellow  or  brownish-yeUow,  the  tibiae  sora«'times  dusky  or  fuscous 
at  the  middle.  Abdomen  broadly  oval,  polished,  as  long  as  the  thorax, 
the  first  segment  striate. 

Habitat. — Manhattan,  Kans. 

Types  in  Kansas  State  Agricultural  College  and  C«»ll.  Asliinead. 

Described  from  nuiny  specimens  reared  by  Prof.  E.  A.  Popenoe,  from 
the  eggs  of  EnschiKtus  scrvus  Say. 

Trissolcus  podisi,  sp.  nov. 

9  .  Length,  1  to  1.2""".  Black,  subopaque,  the  thorax  microscopically 
punctate;  head  broad,  smooth,  and  polished,  with  a  few  punctures  sur- 
rouiiding  the  orbits;  mandibles  black.  Antenme  ll-jointed,  black,  the 
]>edicel  not  longer  than  the  first  funiclar  joint,  the  second  and  third 
funiclar  joints  transverse  «iuadrate;  the  club  large,  pointed  at  tip,  the 
joints  transverse.  Thorax  with  3  abbreviated  furrows  j)08teriorly; 
scutellum  smooth,  polished,  impunctured.  Wings  hyaline,  finely  pubes- 
cent; the  venation  fu.scous,  the  marginal  vein  about  half  the  length  of 
the  shaft  of  the  stigmal.  Legs  bhwk,  trochanters,  knees,  tips  of  tibia* 
and  tarsi,  pale  or  yellowish.  Abdomen  broadly  oval,  about  as  large  as 
the  thorax,  i»olishe<l,  the  first  segnu'iit  striate,  the  .second  about  thrice 
;is  wide  as  long,  with  only  faint  traces  of  aciculatious  at  base. 

Habitat. — Pliiladelphia,  Pa. 

Types  in  National  Museum. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PRO(  TOTRYPID.E.  163 

Described  from  four  specimens  r(M'eive«l  from  Mr.  E.  T.  I'ressoii, 
reared  from  the  eggs  of  Podistis  npinosus  Dalliis. 

TrissolcuB  thyantae,  np.  iiov. 

9  .  Leiigtb,  0.8  to  1""".  Bla,ck,  subopaque,  closely,  finely,  miiiuteily 
punctnlate;  iiiiuulibles  piceous;  legs  bbwk,  tii)s  of  all  the  femora  and 
the  tibia'  and  tarsi,  honey-yellow.  Antenna',  1 1  jointed,  black,  the  pedi- 
cel shorter  than  the  first  funichu-  joint,  the  second  quadrate,  the  third 
very  small,  transverse. 

Thorax  with  3  abbreviated  impresse<l  lines  posteriorly;  sctitelbun 
smooth,  polished.  Wings  hyaline,  pubescent,  the  venation  pale  brown- 
ish-yellow, the  marginal  vein  about  one-third  the  length  of  the  shaft  of 
the  stigmal.  Ab(h)men  broadly  oval,  truncate  at  tip,  the  first  segment, 
and  the  second  at  base,  coarsely  striate. 

Haihtat. — Selma,  Ala. 

Types  in  National  Museum. 

Described  tVom  specimens  reared  by  Mr.  E.  A.  Schwarz  from  the 
eggs  of  Thyanta  custator,  but  which  were  wrongly  determined  as  those 
of  J'odixufi  spinosuti.  The  species  comes  near  T.  podisi^  but  differs  in 
size,  color  of  the  legs,  punctuation,  and  in  venation. 

TrisBoIcus  murgantiae,  »4]>.  iiuv. 

$  9  .  Length,  1  to  1.4""".  Black,  rugose,  the  abdomen  smooth, 
polished;  first  abdominal  segment  striate;  trochanters,  knees,  distal 
ends  »f  tibia',  and  tarsi,  dark  honey-yellow;  wings  hyaline,  the  venation 
pale  brownish,  the  marginal  vein  about  as  long  as  the  stigmal.  The 
female  is  the  larger,  with  the  face  rugose  or  closely  punctate;  antennae 
ll-joint€»I,  wholly  black  or  brown-black,  the  pedicel  a  little  longer  than 
the  first  rtagellar  joint;  funidar  joints  2,  3,  and  4  transverse,  the  third 
the  largest;  club  5  jointed,  slightly  wuler  than  the  last  funiclar  joi-t, 
the  last  joint  minute;  mandibles  black. 

The  male  averages  only  1'""'  in  length,  with  the  face  almost  smooth 
or  only  faintly  punctate;  autennje  12  jointed,  filiform-moniliform,  the 
scape  brownish  yellow,  fiagellum  brown  black,  with  all  the  joints,  ex- 
cept the  first  and  last,  moniliforni;  the  last  fusiform,  twice  as  long  as 
the  penultimate;  mandibles  rufo  pi<'eous. 

Habitat.— Baton  Kouge,  Ea. 

Types  in  National  Museum. 

Described  from  several  spe<'imens  reared  by  Mr.  IE  A.Morgan,  fr<mi 
eggs  of  the  cabbage  bug,  MurgantUi  hixtrionim  Ilahn.  Conies  nearest 
to  T.  ihyaaUv  and  T.  rufincapi(s,  but  is  distinguished  from  them  by 
sculjiture,  coh)r,  and  diil'erences  in  the  antennse. 

Trissolcus  rufiscapus,  .sp.  no  v. 

9.  Eength,  E4""".  Hlack,  subopsique,  very  finely  punctate;  front 
shining,  finely,  feebly  jmnctate:  a  large  fovea  above  the  <'lypeus;    legs 


164  BULLKTIN    4.-),  UMTED    STATES    NATIONAL    MUSEUM, 

rufous;  the  coxu'  bhu'k.  Antoniiii'  11-jointed,  bhick,  the  scap*' rufous, 
slifilitly  dusky  at  tip  above,  the  pedicel  uearly  as  louj>  as  the  first  and 
second  funiclar  Joints  toji'ether.  the  second  and  third  funiclar  joints 
transverse:  the  club  5  jointed,  not  quite  as  long  as  the  sca]»e.  Thorax 
minutely,  closely  punctulate,  slightly  jmbescent,  with  three  abbreviated 
furrows  posteriorly:  the  scutellum  rugoso  punctate,  slightly  lustrous, 
pubescent.  Wings  subhyaline,  pubescent,  the  nervures  pale  brown- 
ish, the  nnirginal  vein  very  short.  Abdomen  broa<lly  oval,  depressed, 
IM)lished,  the  lirst  segment  striate,  the  second,  twice  as  wide  as  long. 

IlAHiTAT. — Washington,  I).  C. 

Type  in  l!4^ational  Museum. 

TrisBolcus  brochymeiiae  AhIuii. 

(I'l.  VII,  Fij;. t),  9.) 

Tfhnomiix  hrorhfiwrmr  Ah]iu\.,  Kla.  A>;ric.,  i\.  ISSl,  ]>.  I'Xi:  Eiit.  Am.,  ill,  p.  118; 
Cross.  Syii.  Hyiii..  ]>.  iil4. 

9  ,  Length,  ().<S  to  ().!)"".  BUwjk,  shining,  the  thorax  feebly,  micro- 
scopically punctulate,  with  a  line  pubescence;  head  smooth,  fully  four 
times  as  wide  as  thick  antero  posteriorly,  a  tine  punctulate  line  sur- 
rounding the  orbits.  Ocelli  very  widely  sei>arated,  the  lateral  close 
to  the  eye  margin  on  an  oblique  grooved  line  extending  from  the  eye 
to  the  occiput.  The  occiput  concave,  the  upper  edge  sharp;  cheek  Hat. 
Eyes  ]uibesceiit.  Anteninv  11-jointed,  the  scape,  pedicel,  and  lirst 
funiclar  joint,  brownish-yellow,  the  following  joints  brown-black;  the 
scai)e  does  not  extend  above  the  front  ocellus;  the  i)edicel  is  longer  and 
thicker  than  the  first  funiclar  joint,  the  latter  about  twice  as  long  as 
thick,  joints  2  and  .'J  transverse,  the  club  large,  (J-jointed,  all  the  joints, 
except  the  last,  transverse.  Thorax  iounde<l,  the  mesonotum  convex, 
wider  tlian  long,  with  3  abbreviated  grooved  lines  posteriorly.  Legs 
honey-yellow,  the  coxai  black.  AbdoFuen  small,  flattened,  not  longer 
than  the  thorax,  truncate  behind,  black,  shining,  the  first  segment 
transverse,  striated,  separated  from  the  second  by  a  deep  suture,  the 
second  occupying  most  of  the  remaining  surface.  VVMngs  hyaline,  the 
venation  yellow,  the  marginal  vein  i)unctiform,  not  longer  than  thick. 

Habitat. — J  acksou\ille,  Fla. 

Types  in  Coll.  Ashmead. 

Described  from  several  s[)eciinens  reared  from  the  eggs  of  Brochii- 
inena  arhorea  Say.  Specimens  are  also  in  the  National  Museum,  reared 
from  the  eggs  of  an  unknown  Heniijjferon  by  Mr.  11.  (I.  Hubbard. 

DISSOLCUS  A,sliinea<l,  }{<'ii.  nov. 
(Ty]M'   />.  iiii/riiofiiin  Ashiii.) 

Head  transverse  or  subipnidrate,  not  wider  than  the  tlicn-ax,  the 
occiput  Hat  but  not  concave  or  emarginate.  Ocelli  .?,  in  a  triangh', 
tln'  lateral  a  little  away  from  the  margin  of  tlie  eye.  Kyes  ovate, 
jmbescent. 


MONOGKAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     105 

AuteiiQiP.  iiiserttMl  r\oM'  ti>  the  clyiKMis,  in  9  11  Jointed,  the  Hagelhini 
very  jjradually  increasing;  in  thickness  toward  the  tip,  or  subclavate; 
the  pedicel  is  hirger  than  the  first  fnniclar  joint,  which  is  a  little 
lonjj^er  than  thick,  the  second  shorter,  the  third  and  following  .joints, 
transverse,  or  wider  than  long.      $  unknown. 

Tliorax  ovoid,  the  niesonotuni  scarcely  longer  than  wide,  subde- 
pressed,  with  2  short  impressed  lines  posteriorly,  abbreviated  ante- 
riorly, the  scutellum  flattened,  the  nietathorax  short,  ronnded  behin<l. 

Front  wings  as  in  Tilenotnus  except  the  marginal  nervure  is  as  long 
as  the  stigmal. 

Abdomen  subsessile,  depressed,  ovate,  about  as  long  as  tlu^  head  and 
thorax  together,  subacute  at  tip,  the  second  segment  nearly  twice  as 
long  as  wide. 

Legs  as  in  Telenomm  except  the  tarsi  are  distinctly  longer  than  the 
tibia\ 

In  the  shape  of  the  abdomen  and  in  antenna!  and  thoracic  charac- 
ters this  genus  approaches  nearest  to  PhannrKs,  but  otherwise  it  is 
like  TelenoniKs. 

The  broader  wings  and  the  longer  marginal  nervure  will  distinguish 
it  from  the  former,  while  its  cephalic,  autennal,  and  thoracic  characters 
readily  separate  it  from  the  latter,  the  two  abbreviated  mesouotal  fur- 
rows being  found  in  no  other  genus.  It  bears  not  the  slightest  resem- 
blance to  TriHSolcHs,  which  has  a  very  large,  broad  head,  c(mvex  tho- 
rax, abroadly  oval  abdomen,  and  three  abbreviated  mesouotal  furrows. 

Only  a  single  species  is  known. 

Dissolcus  nigricornis,  s]).  nov. 
(Pi.vii.Fijr.s,  9-) 

9  .  Length,  0.8""".  Black,  subopaque,  the  surface  finely  alutaceous, 
8ubi)ubesceut;  head  hardly  twice  as  wide  as  thick  anfero-posteriorly, 
the  face  convex,  smooth,  shining.  Eyes  pubescent.  Antenuic  11- 
Jointed,  very  gradually  subclavate,  the  club  not  distinctly  separable; 
the  Hagellum  is  twi<;e  the  length  of  the  scape;  the  pedicel  stouter  than 
the  first  three  or  four  funiclar  joints,  twice  as  long  as  thick;  the  first 
funiclar  joint  longer  than  thick,  the  second,  not  longer  than  thick,  the 
following  transverse  and  very  gradually  widening  to  the  tip,  the  last 
conic  or  ovat«,  Th<uax  ovoid,  the  nu'sonotum  scarcely  longer  than 
wide,  a  little  depressed,  with  2  delicate  abbreviated  iminessed  lines 
posteriorly.  Wings  hyaline,  iridescent,  the  nervures  pale  brown,  the 
marginal  as  long  as  the  oblique  stigmal.  Legs  black,  the  knees  and 
tarsi,  brown.  Abdomen  bla<;k,  polished,  as  long  as  the  thorax,  the 
first  segment  striate,  the  st^cond  longer  than  wide. 

Habitat— Jacksonville,  Fla. 

Type  in  Coll.  Ashmead.  7  . 

I)es('ribed  from  a  single  sj^ecimen  taken  wliih?  sweeping. 


166  BULLETIN    1."),  I'MTEI)    STATES    NATIONAL    MUSEUM. 

ARADOPHAGUS  Ashm..  ;>eii.  nov. 

Hesid  obloiij'.  very  tlat,  attiiched  ht  tlici  tlioiax  lii^ifhnpou  the  occiput, 
tlie  space  Ix'tweeii  the  eyes  very  wide.  0<relli  3,  subtrian};iUarly  ar- 
ranj^ed,  the  Uiteral  far  from  the  eye.     Eyes  obh»ng-oval,  bare. 

Anteniue  inserted  at  the  mouth,  subclavate,  lli-jointed  iu  both  sexes; 
the  scape  very  hni^x,  cyliinlru!al;  the  pedicel  long,  one-third  l(m<>er 
than  the  first  fiajiellar  Joint,  the  following  joints  shorter  but  stouter, 
subequal. 

Maxillary  an«l  labial  palj)i  very  short,  inconspicuous,  2-Joint«>d. 

Mandibles  small,  bifid. 

Thorax  ovoid,  very  flat,  the  ]>rothorax  not  at  all  developed  or  visible 
from  above;  meson<»tum  smooth,  without  furrows,  rounded  before; 
scutellum  short,  semicircular,  with  a  very  delicate  cross-line  before  the 
tip;  metathorax  short,  with  delicate  lateral  keels. 

Front  wings  fringed  as  iu  Cerocephala ,  the  submarginal  vein  reach- 
ing the  costa  before  attaining  half  the  length  of  the  wing,  the  nmrginal 
vein  longer  than  the  oblique  stigmal  vein,  while  the  post-marginal  vein 
is  well  developed. 

Abdomen  very  flat,  ovate,  with  a  short  petiole,  the  secoml  segment 
the  largest,  about  twi<e  the  length  of  the  first,  the  third  and  fourth 
about  equal,  two-thirds  the  length  of  the  second;  ovipositor  exserted. 
Legs  slender. 

This  genus  in  its  thoracic  and  antennal  characters  is  quite  distinct 
from  all  others  in  the  group,  and  requires  no  special  comment.  It  shows, 
strongly,  aflinities  with  the  Ccniphroniua-  and  was  originally  ])laced 
therein  my  collection;  it  .also  resembles  a  '' Spalangiid,"  an<l  caused 
nu',  at  one  time,  to  contemplate  removing  the  SpaUaigiimv  fnmi  the 
Hhah-UlUUv  t«>  the  ProctotrypUhv. 

Aradophagus  fasciatus,  sp.  uov. 
(I'l.  Ml,  FiK.!t,9.) 

$  9  .  Length,  l.o""".  Honey-yellow,  sniooth,  polished,  impunctured. 
Scape,  pedicel,  and  basal  half  of  first  funiclar  joint  i)ale  or  whitish,  the 
rest  of  the  antenuic,  brown-black.  Front  wings  fuscims,  the  base,  a 
transverse  band  at  the  middle,  an«l  the  apical  margin  white;  hind  wings 
hyaline.     Abdominal  sutures  narrowly  banded  with  fuscous. 

IlAiUTAT. — Jacksonville,  Fla. 

Types  in  Xational  Museum  an«l  coll.  Ashmead. 

The  two  specimens  in  my  collection  were  taken  by  myself  in  April, 
1887,  under  live  oak  bark  badly  infested  with  BrachyrhynehuH  fframdat us 
Say  and  PityoplithoruH  querciperda  Swz.,  the  old  egg  masses  of  the  Ara- 
did  being  <piite  plentiful.  The  single  si)ecimen  in  the  National  Mu- 
seum was  taken  by  Mr.  E.  A.  Schwarz  in  Florida,  whothinks  he  reared 
it  from  Pityophtli(nvs  consimilis  Lee,  together  with  several  CerocepU- 
ala*.  I  believe  its  habits  will  prove  identical  with  other  Scelionids, 
and  it  will  be  fouud  to  be  a  parasite  in  the  eggs  of  the  Aradidiv. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PHOCTOTRYPID.E.     ifi? 

Tribe  ii. — Bikini. 

This  tribe  i>s  of  small  cxtt'iit,  jii)piirciitly,  and  for  the  most  part,  com- 
prises species  of  the  smallest  size,  the  majority  of  which  rarely  attain 
one  millimeter  in  lenjjfth. 

The  habitus  of  the  species  more  closely  resembles  the  Teleiiomini,  but 
the  solid  autenual  club  of  the  female,  the  ditt'ereuce  iu  venation  of  the 
winged  forms,  the  marginal  vein  being  punctiform,  or  short  and  stout, 
the  stigmal  vein  short,  thickened  at  base  and  terminating  in  a  small 
rounded  stigma,  while  the  basal  nervure  is  usually  present,  and  the 
third  abdominal  segment,  not  the  second,  being  the  largest,  readily 
distinguish  them.  These  difterences  ~*nd  the  position  of  the  lateral 
ocelli  will  also  separate  them  at  once  from  the  other  tribes. 

The  tribe  Jiwini,  as  at  present  defined,  will  contain  five  genera :  Thoron 
Hal.,  AcoJuH  riirst.,  Acoloiden  How.,  CemtobmiH  Ashm.,  and  Bam  Hal., 
the  parasitism  of  three  of  which  is  known. 

Species  in  the  genera  AcoIuh,  Acoloidcs,  and  Jiau-s  have  been  reared 
in  America  from  spider  eggs;  and  I  should  not  be  in  the  least  sur[)rised 
to  learn,  from  future  observations,  that  the  whole  group  contine  their 
attacks  to  Arachnid  eggs. 

The  genera  may  be  di8tingnishe<l  by  the  aid  of  the  following  table: 

TABLE   OF   GENERA. 

FEMAI.KS. 

Apterous  forms , 2 

Wiuged. 
First  ahdominal  segment  without  a  horn  at  hase. 
Mesonotiua  with  2  furrows;  tirst  abdoiuiual  sej^nicut  petioliforni;  eyes  bare; 

lateral  ocelli  distant  from  the  margiu  of  the  eye Tiiokon  Hal. 

First  abdominal  segment  with  a  horn  at  base. 

Mesonotum  without  furrows CKi!Al()B.f:us  Ashm.,  gen.  nov. 

2.  Scutellum  distinct. 

Mesonotum  without  furrows;  lateral  ocelli  close  to  the  eye. 

First  abdominal  segment  with  a  horn  at  base CER.vTon.Krs. 

First  abdominal  segment  without  a  horn  at  base. 

First  abdominal  segment  as  broad  as  the  metathorax  and  onl.y  visible  as  a 
transverse  line;  face  with  an  antenna!  im})rcssion,  the  occiput  con- 
cave, the  superior  margin  sharp Acoi.us  FJirst. 

First  abdominal  segment  subpetiolate,  much  narrower  than  the  metathorax ; 
face  not  or  but  slightly  impressed,  the  superior  margin  of  the  ocei- 

pui;  rounded Acoi.oides  How. 

Scutellum  wanting Bjius  Hal. 

MALKS. 

Winged. 

Mesonotum  with  two  furrows;  lateral  ocelli  distant  from  the  margin  of  the  eye. 
Antennie  filiform,  the  Hagellar  joints  about  three  times  as  long  as  thick. 

'-  .J'  .         .  Thoron  Haliday. 


168  lUJLLKTlN    4.-.,  INITEl)    STATKS    NATIONAL    MUSEUM. 

Mfsouotiuu  without  furrows:  lattTal  ocelli  <los«'  to  tin-  iuarj;iii  of  the  eye. 
Autuima*  tilifortu,  iiioiiiliforiii,  or  .siiliiiioiiiliforiii. 
Basal  uerviire  distinct;  niandililes  liifid. 

Head  nineh  broader  than  the  thorax;  eyes  bare;  anteiuue  taperinjj  toward 
apex;  basal  abdoiuiiial  segiueut  as  wide  as  the  iiietathorax. 

Acorus  Fiirster. 

Head  snhqnadrate,  but  slightly  broader  than  the  thorax;  antenna^  slightly 

thickened  toward  apex;  basal  abdominal  segment  petioliform,  mmh 

narrower  than  the  metathorax Bakis  Haliday. 

Basal  nerviire  wanting;  mandibles  tridentate. 

Head  transverse,  scarcely  broader  than  the  thorax;  eyes  liairy;  antenna- 
slightly  thickened  at  tip;  basal  abdominal  segment  transverse,  not 
quite  as  wide  as  the  apex  of  metathorax Ac»>u>ii>ES  Howard. 

THORON  Halidty. 

Eut.  Mag.,  I,  p.  271  (183:^);  Fiirst.  Hym.  Stud.,  ii.  p.  100  (1856). 

{Tyi>e  T.  fornicatun  Nees.  =  T.  nutallicnH  Hal.) 

Head  rather  large,  transverse,  the  oceiput  and  cheeks  margined; 
ocelli  3,  triangularly  arranged,  and  wider  apart  than  in  Prosacantha; 
eyes  large,  oval. 

Anteunjp  inserted  close  to  theclypens,  12-jointed  in  both  sexes;  in  9 
clavate,  the  club  solid,  although  shoeing  traces  of  sutures;  in  $  long, 
filiform,  the  pedicel  small,  oval,  the  flagellar  joints  nearly  equal,  about 
4  times  as  long  as  thick,  pubescent. 

Maxillary  palpi  4-jointed;  labial  palpi  2-jointed. 

Mandibles  tridentate. 

Thorax  ovoid,  the  prothorax  visible  from  above  as  an  arcuate  line, 
depressed  anteriorly;  mesonotum  with  li  impressed  lines;  metathorax 
very  ;ihort,  rounded  at  the  sides. 

Front  wings  with  the  submarginal  vein  joining  the  costa  behind  the 
middle;  the  marginal  vein  very  sliort,  thickened;  i)Ostmarginal  vein 
not,  or  scarcely,  developed ;  the  stigma'  vein  longer  than  marginal,  thick- 
ened at  base,  and  terminating  in  a  little  knob. 

Abdomen  oval  or  oblong-oval,  strongly  narrowed  at  base,  the  flrst 
segment  longer  than  wide,  the  third  the  longest. 

Legs  long,  slender,  pilose,  the  femora  clavate,  the;  tibiie  subclavate, 
with  spurs  1,  1,  1;  the  tarsi  ^ery  long  and  slender. 

Thoroii  pallipes  Aslim. 

(PI.  XVI,  Fig. H,  9.) 

Ent.  Am..in,p.  99. 

9.  Length,  2""".  Black,  polished;  hejid  subquadrate,  smooth,  the 
face  convex;  mandibles  bluntly  3-dentate  at  ti]»s,  pale  rufous.  Meso- 
notum sparsely  punctate,  with  2  farrows  posteriorly;  metathorax  and 
pleura  rugose.  Antennae  12'jointed,  dark  brown,  the  scape  and  pedi- 
cel brownish-yellow.  Leg^s,  including  coxte,  pale  or  yellowish.  Abdo- 
men oblong-oval,  a  little  longer  than  the  head  and  thorax  together, 
attached  high  up  on  the  metathorax,  the  first  segment  i)etioliform, 


MONOOUAPU  or  THE  NOKTll  AMERICAN  PliOCTOTKYI'ID.E.     IfiO 

Kfartely  .'»s  lon^'  as  tlie  srcoml,  a  little  lmmi>cd  hasally;  tiist  and  sec- 
ond sej^iiu'iits  striated;  rest  of  the  ubdoiiieQ  smooth,  polished,  sparsely 
hairy  tx)ward  the  ai>ex.  Wiugs  hyaline,  the  venation  brown,  the  mar- 
j>inal  vein  very  short,  thick,  the  sti{?inal  vein  short,  stont  at  base. 

IlAiJiTAT. — .Jacksonville,  Fla. 

Type  in  Coll.  Ashniead. 

This  is  the  only  true  Thoron  in  our  fauna,  the  species  desciibe«l  as 
such,  Thonm  opucus  How.,  Ins.  liit'e.  Vol.  ii,  p.  -6.S,  supposed  to  have 
been  r«*ared  from  the  Fluted  Scale,  hrtya  piirchasi,  being  a  S  Teleno- 
mid  an<l  beh)nging  t(»  the  genus  Phaniiriis. 

ACOLOIDES  Howard. 

IiiH.  T.ife,  II.  !•.  2(>}t  (1890). 

(Typi-  A.  siiitidis  How.) 

Head  transverse,  wide,  the  frons  (ionvex;  ocelli  3,  triangularly  ar- 
ranged, but  widely  separated,  the  lat<'ral  being  close  to  the  margin  of 
the  eye;  eyes  huge,  oval,  hairy. 

Antenna^  inserted  just  above  the  clypeus;  in  9  apparently  but  7- 
jointed,  the  chib  being  huge  and  inarti<ulate,  the  pedicel  lengthened, 
the  last  three  fuuiclar  joints,  small,  transverse;  in  S  12-jointed,  tili- 
forni,  submoniliform. 

Maxillary  palpi  i-jointed;  labial  palpi  2-jointed, 

Mandibles  3-d«'ntate. 

Thorax  oval,  the  prothorax  not  visible  from  above;  mesonotum  with- 
out furrows;  metathorax  with  the  posterior  angles  subacute. 

Front  wings  with  the  marginal  vein  i>unctiform,  the  i>ostmarginal 
not,  or  scarcely,  developed,  the  stigmal  vein  long,  oblique,  thickened  at 
base. 

Abdomen  short,  oval,  the  first  and  second  segments  short,  usually 
striated,  the  first  much  narrower  than  the  metathorax  or  subi)etiolate, 
the  third  very  large,  occupying  half,  or  a  little  more  than  half,  the  whole 
surface. 

Legs  moderate,  the  tibial  spurs  very  weak,  scarcely  developed,  the 
tarsi  5-jointed,  slender,  the  basal  joint  of  posterior  tarsi  twice  the  length 
of  the  second. 

This  genus  maybe  identical  with  jicolim  Forster,  as  sjjecies  occur  in 
it  with  and  without  wings,  the  apterous  species  fitting  exactly  into  the 
brief  diagnosis  of  tlie  genus  by  Fiirster;  but  as  Forster's  type  Aeolus 
picetventris,  so  far  as  I  know,  was  never  described,  and  as  I  have 
discovered  another  wingless  form  closely  allied  to  Acoloides,  which  is 
evidently  quite  distinct,  that  will  also  fit  into  Fiirster's  brief  descrip- 
tion, I  have  here,  in  my  perj^lexity,  made  the  latter  the  type  of  Fors- 
ter's  genus,  so  as  to  enable  me  to  retain  the  well-characterized  How- 
ardian  genus.  Kircliner's  description  of  Aeolus  hdena,  which  might 
assist  me,  I  have  not  been  able  to  see. 


170  miLLICTIN   45,  UNITKl)    STATES   NATIONAL   MUSEUM. 

Till'  diflereiu;*'  bi'twrt'ii  tiie  two  jicneia,  as  hew  ini(k'i'.st<)<Ml,  is  .suftl- 
fiently  brought  out  in  my  tjiblc,  and  I  iiuist  lejivo  to  otlieis  the  thank- 
less task,  by  the  inspection  of  the  type,  if  it  is  still  in  existence,  of  the 
proper  identification  of  Fiirster's  <j»'nus. 

Mr.  Howard's  jjenus  is  parasitic  on  spiders.  The  species  may  be 
syuoptically  represented  as  follows: 

TABLE  OF   SPECIES. 

Wingless  or  subapterous  HpiM-ies 3 

Winged. 

Spetit's  not  eutinly  Mack 2 

SjiecieH,  «\\cej»t  sometimes  the  base  of  the  abdomen,  entirely  black. 
<)l»iiiine,  closely,  minutely  punctate. 
Tliorax  and  8<utellum  flat. 

Antenme  and  legs,  except  coxa',  yellow    A.  saituhh  How. 

Lustrous,  but  still  microscopically  pnnctnlate. 
Thorax  and  scutellum  more  convex. 

First  and  second  abdominal  segments  striat*'. 

Petiole  pale  rufous  or  yellowish A.  Howakiui,  sp.  nov. 

Petiole  and  base  of  abdomen  yellowish A.  Emkrtonii  How. 

2.  Head  and  thorax  black,  micros<^oi)ically  punctate. 

Abdonu-n  at  base  and  disks  of  two  or  three  of  the  following  segments,  yellow. 

A,  Emkrtonii  How. 
Abdomen  yellow,  the  third  segment  across  the  base  and  the  two  apical  segments 

fuscous A.  Hicoi-oR,  sp.  nov. 

Wholly  honey-yellow,  eyes  and  ocelli,  black  or  brown A.  .mk.i.let'S,  sp.  nov. 

3.  Head  and  thorax  black,  subopa<|ue. 

With  wing  scales;  alulomcn  black,  sericeous,  the  jietiole  yellow. 

A.  srnAi'TKRi's,  sp.  nov. 
Witliout  wing  scales;  abdomen  brownish-yellow A.  skmixic.kr,  s]>.  nov. 

Acoloides  saitidis  How. 
Iu8.  Life,  II.  p.  270,  tig.  58;  loc.  cit.,  p.  359. 

"9.  Length,  1.4'"'";  expanse,  3.(>'"'";  greatest  width  of  fore  wing, 
0.40'"'".  Antenme  short;  pedicel  long,  nearly  one-half  the  length  of 
scape;  joint  1  of  funicle  one-half  as  long  as  pedicel;  joints  2,  3,  and  4 
very  short ;  club  very  large,  oval,  and  one-third  longer  than  four  preced- 
ing joints  together;  no  articulations  can  be  distingui.shed,  but  it  is  liomo- 
logically  composed  of  six  joints.  Eyes  hairy;  lateral  ocelli  touching 
the  eye  margin.  Head,  face,  and  mesonotum  densely  and  finely  punc- 
tate; i^arapsidal  furrows  not  present;  first  and  second  abdominal  seg- 
ments with  fine,  close,  longitudinal  striai,  wanting  at  smooth  jmsterior 
border;  the  very  large  third  segment  and  short  fourth,  densely  and 
finely  punctate,  and  clothed  irregularly  with  short,  whitish  i>ile,  which 
is  also  present,  although  sparser,  upon  the  mesonotum,  and  is  quite 
thick  im  the  vertex;  mesopleura  finely  punctate  below;  metapleura 
smooth.  The  marginal  vein  is  very  short,  and  not  quite  coincident 
with  costa;  the  post  marginal  is  extremely  short;  the  stigmal  is  long 
and  slender,  and  terminated  by  a  small  rounded  knob.    General  color 


MONOGIUPH  OF  THE  NORTH  AMERICAN  PROCTOTKYPID.E.     171 

deepbliutk;  all  le^^s  and  antennae  hoiH-y-yellow;  all  coxa*  black,  litter 
at  tips;  scape  brownish  and  pedicel  darker  than  club. 

"  ,5  .     Differs  from  female  only  in  antenna;,  which  are   plaiidy  12- 
jointed;  joint  1  of  funicle  sis  lonj;  as  pedicel,  Joints  2  to  7  subequal  in 
lenjith  and  width, and  each  as  broad  as  long,  and  well  separated;  club 
oval,  nearly  as  long  as  three  preceding  joints  together.    Antenuiu  uni 
fonnly  honey-yellow."    (Hoirard.) 

Habitat. — Lincoln,  Nebr.,  and  Oxford,  Ind. 

Types,  1>  (?  and  1  9  in  National  Museum. 

The  types  of  this  species,  as  recordetl  by  Mr.  Howard,  were  reared 
by  Mr.  L.  Bruner,  at  Lincoln,  Nebr.,  from  the  eggs  of  the  Araneid 
8((iH« pulex.  "The  eggs  of  this  spider  are  a  little  more  than  a  milli- 
meter in  circumference,  and  eaph  egg  harbors  but  one  parasite,  whudi 
issues  by  splitting  the  eggs  open  rather  than  by  gnawing  a  regular 
hole."  The  same  species  was  also  bred  by  Mr.  F.  M.  Webster,  at  Ox- 
ford, Ind.,  from  a  sjjider  egg-sac  found  under  the  bark  of  a  log,  in 
October,  1884. 

Acoloides  Howardii,  sp.  nnv. 

9 .  Length,  1'""'.  Black,  shining,  with  a  microscopic  white  pile, 
and  feebly  microscopically  punctate;  petiole  and  legs,  brownish-yellow, 
the  coxa'  black.  Antenuji;  7-jointed,  brown,  the  pedicel  large,  the  tirst 
funiclar  joint  very  little  longer  than  thick,  scarcely  one-third  the  length 
of  the  pedicel,  the  three  following  joints  transverse,  the  last  the  widest, 
club  large,  not  jointed.  Scutellum  semicircular,  subconvex.  Meso- 
pleura  with  a  long,  femoral  furrow,  crenate  at  bottom.  Metapleura 
divided  into  two  parts  by  the  spiracular  furrow,  the  upper  portion 
smooth,  impunctate,  the  lower  portion  punctate.  Wings  subhyaline, 
the  nervures  brown,  the  stigmal  vein  long,  thickened  at  base.  Abdo- 
men broadly  oval,  shining,  but  micros<'opically  punctate,  and  finely 
pubescent,  the  tirst  segment  twice  wider  than  long,  striated  and  yel- 
low; the  second  and  following  segments  bla^k,  the  second  with  striai 
at  base. 

Habitat. — Washington,  D.  C. 

Types  in  (^oU.  Ashmead. 

Described  from  two  specimens. 

This  species  is  closely  allied  to  A.  saitidis  How.,  but  it  is  slightly 
smaller,  and  not  so  densely  punctate,  the  scutellum  shorter,  subconvex, 
the  petiole  yellow,  while  the  first  tlagellar  joint  is  scarcely  one-third 
the  length  of  the  pedicel. 

Acoloides  Emertonii  How. 

Ins.  Life,  iv,  p.  202. 

9-  Length,  1.4""";  expanse,  1..5""".  Black,  shining,  bnt  closely  microscopically 
Xtimctulate ;  antennae  brown-hlack,  the  scape  pale  at  extreme  base;  legs,  including 
coxa*,  brownish-yellow ;  abdomen  mostly  yellow,  the  second  segment,   lateral  and 


172  Iiri.LKTIN    15,  I'NITKI)    STATKS    NATIONAL    Ml'-SErM. 

ii)iiriil  iiiiir^'iiiN  "f  lliiid.  ;iinl  (lir  I'ollowiny  sf;;un'iith.  tiiHi  (iiiH  or  liliti'k.  H»'ii(l  very 
wide,  im>rt'  than  lliitc  tiiiii«  as  vviilf  a«  tliick  aiitcrd-poHiorioily  ;  eyrs  lar;;«\  riiiiii<li>(l, 
whitisli  (after  deatli)  aii<l  piilx'scoiit ;  niaiKliblcs  pale  riitoim,  tlie  tipn  Mack.  Aii- 
teiinal  ilub  laijjc,  fiiHiforiii,  as  loiifi  as  the  pedicel  and  t'nnielu  iiuite«l;  tirdt  fnniclu 
Joint  less  than  half  the  len^^th  of  the  pedicel,  the  other  Joints  tiansverse.  Thorax 
convex,  with  two  punctate  linos  in  front  of  the  s<  iitellnni.  the  latter  seuiiciniilar, 
coir  ex;  nietauotnm  very  short,  striated,  hounded  hy  a  carina  posteriorly,  the  angles 
produced  into  a  minute  tooth.  Wiuf^ssubhyaliin-.  pnhescent,  exteudiny  beyond  tip  of 
abdomen,  tin-  venation  dark  brown,  the  njarjjinal  vein  short,  stout,  very  little  lon^^er 
than  thick,  the  stigmal  ion^,  slender,  endiu^  in  a  snniU  knob.  Abdonu-n  oblong- 
oval,  one-third  longer  than  the  head  ami  thorax  together,  nii(ro8c«>iii«ally  sculptured, 
but  lustrous,  the  first  and  second  seguieuta  about  equal  iu  It'Ugtli,  atriutcU.    ( Howard.) 

Habitat. — Massjwhusetts.  * 

Type  in  National  Museum. 

Desorib«'d  IVoiii  seven  9  specimens,  feared  by  Mr,  .1.  II.  Emerton, 
from  a  s])ider's  eoeoon. 

Acoloides  bicolor,  sp.  nov. 

9  .  Len<?th,  0.8"'"'.  Black,  shining,  sparsely,  faintly  microseopieally 
punctate  and  j)ubescent;  the  abdomen,  antennse,  and  legs,  yellow,  the 
third  abdominal  segment  across  the  base,  two  apical  segments  and  the 
femora  slightly  fuscous  or  brownish ;  eyes  large,  rounded,  whitish.  An- 
tennte  7-jointed,  very  short ;  the  club  large,  conic  ovate,  as  long  as  the 
pedicel  and  ftinicle  together;  the  tirst  fuiiiclar  joint  not  longer  than 
thick,  about  one-Hmrth  the  length  of  the  petlicel,  the  three  following 
joints  minute,  transverse.  Wings  hyaline,  with  a  faint  yellowish  tinge, 
the  nervures  dark  brown,  the  stigmal  vein  thickened  at  base.  Abdo- 
men lotund,  the  petiole  short,  striated,  rest  ot  the  segments  smooth, 
shining. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  two  s])ecimens  received  from  Mr.  W.  Hague  Har- 
rington. This  si>ecies  is  much  smaller  than  the  others,  the  surface 
smoother,  less  distinctly  i>unctate,  and  the  abdomen  more  rotund; 
while  the  color  of  the  eyes  and  abdomen,  and  the  shortness  and  relative 
length  of  the  joints  of  the  antenme,  render  it  easy  of  recognition. 

Acoloides  melleus,  sp.  nov. 

9 .  Length,  1.4'"'".  LTniformly  honey-yellow,  the  eyes  and  ocelli 
brown,  the  wings  subfuliginous.  The  head  is  very  large  and  wide,  the 
lower  part  of  face  being  hmgitudinally  striated.  Antenna)  short,  7- 
joiuted,  the  club  large  fusiform,  inarticulated ;  the  first  funiclar  joint 
is  twice  as  long  as  thick  and  fully  half  as  long  as  the  pedicel;  the 
second  and  third  are  as  long  as  wide;  the  fourth,  transverse. 

Abdomen  oval,  the  first  segment  and  the  second,  at  the  suture, 
striated,  the  following  segments  feebly,  microscopically  punctate. 

Habitat. — Arlington,  Va.         .        .    ,  „i       ,      p  I 

Tjiie  in  Coll.  Ashmead. 


MOXOGRAPII  OF  THE  NOKTIf  AMEIJICAN  PKOfTOTHYIMI)  V,.     173 

I)t^s«'rilM'(l  fnuii  :i  siii)r|r  sp<'riin4>n. 

In  color,  si/,«',  width  of  he.ul,  iion-iMibt'sccnt  ryes,  hihI  tin'  relative 
kMi;;tli  of  tlu^  iiiitcnnal  joints,  tliis  species  is  very  distinct  from  any 
other  spei'ies  in  our  fauna. 

Acoloides  subapterus,  s|>.  nov. 

9.  Lenjith.  0..S""".  Mead  and  thorav  bhiek,  minutely  |MinetuUite; 
abionu'u  fusj-ous  or  dark  brown,  the  petiole  yellow;  antenna-  an«l  leji's 
brownish-yellow,  the  elub  fuscous. 

Antenme  7-jointed;  the  clul>  larj^e,  inarti<ulate,  as  lonji  as  the  jiedi- 
eel  and  funicle  united;  pedicel  stout,  2A  tinu^s  as  long  as  thick,  fuscous 
above;  tirst  funiclar  joint  very  little  lonjjer  than  thick:  secoml  and 
tbllowinji- joints  scarcely  as  huig  as  thick.  Thorax  with  slight  indica- 
tion of  parapsidal  furrows  post«'riorly  in  the  form  of  two  very  short 
grooved  lines.  Wings  present  in  the  form  of  wing  pads  which  do  not 
extend  beyond  the  tii)  of  the  short  metath<»rax. 

Abdomen  oblong-oval,  much  longer  than  tlu'  head  and  thorax  to- 
gether, shining,  sericeous;  the  petiole  yellow  and  separated  from  the 
second  segment  by  a  constriction;  tin*  [»etioIe  and  second  segment  are 
of  an  e(iual  length,  but  the  latter  is  fully  twice  as  wide  as  the  former; 
third  segment  nearly  thrice  as  long  as  the  second. 

IlAHiTAT. — Ottawa,  (Canada. 

Tyi)e  9  in  Coll.  Ashmead. 

Described  from  a  single  vsp<'cinuMi  received  from  Mr.  W.  II.  llarring. 

t(Ml. 

Acoloides  seminiger,  .s]i.  nov. 

9  .  Length,  O.S""".  Head  and  thorax  black,  closely  finely  punctate, 
with  a  sparse,  sericeous  pubescence;  abdomen  and  legs,  brownish  yel- 
low, pubescent. 

Antenna?  7-jointed,  yellowish,  the  club  very  large,  inarticulate,  fus- 
cous, i>edicel  stout,  very  little  more  than  twice  as  long  as  thick;  tirst 
funiclar  joint  scarcely  longer  than  thick;  second  and  third,  not  longer 
than  thick;  fourth,  transverse.  Thorax  with  slight  indications  of 
grooves  posteriorly.  Metathoi:ax  with  subacute  angles.  Abd<mien 
oblong-oval,  a  little  longer  than  the  head  and  thorax  together,  the 
second  segment  slightly  longer  than  the  petiole,  the  suture  between, 
striate,  the  thirdmsegment  2i  times  as  long  as  the  second. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

Described  from  two  specimens  received  from  W.  Hague  Harrington. 
Th'  i  species  comes  very  close  to  A.  snhapterun,  but  the  abdouuMi  is  yel 
low,  the  relative  length  of  the  segments  is  different,  and  there  are  no 
wing  )»ads. 


174  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

ACOLUS  Fiirstei. 

Jlyiii.  Stiul..  II,  jiji.  KK)  and  102  (isr^i). 

(Typ«;  J.  jti(riri'n1>-is  FJirst.  MS.) 

Eesul  largt",  traiisver.se,  the  lioius  very  convex,  the  faee  with  an  im- 
pression just  above  the  antenna',  tlu^  occiput  concave,  einarjjinated,  and 
faintly  niarjjfined;  ocelli  3,  very  minute,  the  lateral  close  to  the  margin 
of  the  eye,  hut  scarcely  discernible;  eyes  larjre,  oval,  bare,  or  hairy. 

Antenna'  inserted  just  above  the  clyjH'us,  in  9  T-joiiited,  clavate,  the 
club  large,  inarticulated,  the  pedicel  stout,  the  lirst  fiinielar  joint  a  lit- 
tle longer  than  thick,  the  three  following  joints  small;  in  6  12-joiuted, 
tiliform,  pilose. 

Maxillary  palpi  .'5-jointed;  labial  palpi  (?)  li- jointed. 

Mandibles  bifid. 

^^'  rax  subovoid,  not  wider  than  long,  and  narrower  than  the  hea<l; 
pronotum  not  visible  from  above;  mesonotum  traiisvei'se  without  fur- 
rows; scutelluui  semicircular;  metathorax  extremely  short,  abrupt. 

Wings  in  9  wanting;  in  c^  i)resent,  the  front  wings  with  a  basal  nerv- 
nre,  a  short  marginal  ami  short  stigmal  nervure;  the  latter  clavate. 

Abdomen  broadly  oval,  sessile,  the  first  segment  the  wi<lth  of  the 
metathorax  and  only  visible  as  a  transverse  line,  the  second  about  one- 
third  the  length  of  the  third,  which  is  the  largest,  the  following  seg- 
ments short. 

Legs  as  in  AViv/x,  the  basal  joint  of  hind  tarsi  one-tiiird  longer  than 
the  second,  the  tibial  spurs  weak. 

Differs  from  Acoloidex  Howard,  in  the  concave  einarginat«!<l  occiput, 
in  the  deep  facial  impression,  bare  eyes,  .'i  jointed  maxillary  palpi,  and 
in  the  broadly  oval  sessile  abdomen,  the  base  being  as  wide  as  the 
metathorax,  the  first  segment  visible  only  as  a  transverse  line. 

AcoluB  xanthogaster,  s]i.  iiov. 

9  .  Length,  0.75""".  Mead  and  thorax  black,  shining,  faintly  micro- 
scopically [nmctate;  antenna',  abdomen,  and  legs,  yellow.  Head  a  lit- 
tle more  than  twice  as  wide  as  thick  antero  posteriorly,  the  frons  con- 
vex, the  face  with  an  antennal  impression,  the  eyes  large,  rounde«l, 
bare.  Anteniue  with  an  unjointed  club;  the  pedicel  longer  than  the 
first  funiclar  joint;  first  and  second  funidar  joints  about  e(pial,  longer 
than  thick;  third  and  fourth,  minute.  Abdomen  oval,  sessile,  the  first 
F«'gment  only  visible  as  a  transverse  line,  the  second  about  two-thirds 
the  length  of  the  thiid. 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Ashmead. 

D«'scribed  from  a  single  siM'cim«^n  collected  by  Mr.  E.  A,  Hchwar/, 
.luneL>0,  ISIU. 


MON0G14AP1I  OF  THE  NORTH  AMKHICAN  PKOCTOTiiYFID.E.     175 

AcoluB  Zabriskiei,  sp.  nov. 
(IM.  xv.Fig.T.  ,?.) 

i.  Leiijftb,  1""".  Black,  polished,  fluely  seiicoous;  iiuindibles  red- 
dish; scjiiK!  honey-yellow ;  tlagelluni  pale  brown ;  legs,  including:  coxse, 
reddish-yeUow.  Head  very  large  and  broad,  a  little  more  than  three 
times  as  wide  as  thick  antero-posteriorly,  an<l  mncli  wider  than  the 
thorax,  the  space  between  the  eyes  alone  fnlly  as  wide  as  the  thorax; 
occiput  concave,  with  the  superior  margin  sharp;  eyes  broadly  oval, 
convex,  bare;  ocelli  triangularly  arranged,  the  laterals  sitinited  in  th»' 
posterior  angle  of  tiie  vertex,  close  to  the  eye.  Antenna'  12-jointed, 
filiform;  the  scape  clavate,  about  one-third  as  long  as  the  Hagellnm; 
pedicel  cyathiform,  longer  than  any  of  the  funiclar  joints :  funi<'lar  Joints 
all  short,  scarcely,  if  at  all,  longer  than  thick,  pubescent.  Thorax  short, 
ovate,  rounded  before,  narrowed  and  truncate  behind,  the  collar  not 
visilde  from  above;  mesonotum  a  little  broader  than  long,  without  fur 
rows;  scutellum  c(mvcxly  elevate<l  posteriorly,  margined,  or  with  a  deli- 
cate rim,  laterally;  metathorax  short,  with  short  stria;  above.  Wings 
hyaliiu',  with  long  cilia,  a  basal  nervure,  a  short  marginal  and  a  short 
stigmal  vein  ending  in  a  small  rounded  stigma,  the  stigmal  vein  thick- 
ened at  base. 

Abdomen  oval,  narrowed  and  truncate  at  base,  r<mnded  and  br<»a<l- 
ened  posteriorly,  the  first  two  segments  transversely  linear,  the  third 
very  large,  occupying  most  of  its  surface,  the  fourth  about  as  long  as 
the  tirst  two  united,  the  following  exceedingly  short,  scarcely  visible, 
except  as  transverse  lines. 

Habitat. — Flatbush,  Long  Island. 

Types,  two  S  siKJcimens.  in  National  Museum. 

Bred  October  4,  181)2,  by  Kev.  J.  L.  Zabriskie,  from  the  nest  of  an 
uukn«>wn  spider. 

CERATOBiEUS  Asliin..  j^eu.  uuv. 

(Typt'  ('.  GDi-HtidiH  Ashni.) 

Head  very  large  and  broad,  nuich  broader  than  the  thorax,  tlie  oc- 
ciput margined;  ocelli  .">  in  a  triangle,  wide  apart,  the  lateral  touching 
the  eye;  eyes  br<>adly  oval. 

Antenna'  inserted  at  the  base  of  the  clypeus,  in  9  sliort,  clavate, 
7-jointe<l,  the  dub  very  large,  inarticulate:   f,  unknown. 

Maxillary  pali)i  ( ?)  ;{-,j<nnted;  labial  palpi  2-jointed. 

Mandibles  bitid. 

Thorax  oval,  the  prothorax  not  visible  from  above;  mesonotu.n  with- 
out furrows,  or  with  but  a  slight  trace  of  them  posteriorly;  scutellum 
semicircular;  nietathorax  very  short,  abiupt. 

l"'ront  wings,  when  present,  with  a  distinct  but  shoit  marginal  vein, 
an  oblique  stigmal,  and  no  pos*^  marginal,  tlie  stigmal  vein  t<'rmimit 
ing  in  a  slight  knob. 

Abdomen  t)val,  or  pointed-«>vate,  depressed,  subsessile,  composed  m[ 


176  I5ULLETIN    4.-.,  UNITKI)    STATES    NATIONAL    Ml'SEUM. 

(►or  7  visibh'  teriiitcs.  tlir  tliird  the  liir;i<>st.  tlic  tirst,  fiiniislM-d  willi  a 
lioni  at  base  rxtnuliiij;'  over  tli«'  nx'tathorax. 
Lejjs  ;is  ill  ^[coIhs. 

Male  unkn()\vn.  Allied  to  Hans,  Aa>lns,  iiiid  AvoUtidcs^  Imt  readily 
separated  by  the  projeetiii};'  horn  at  the  ba.se  of  the  abdomen,  as  in 
linnjcouus^  Calotclcia,  ete. 

The  two  spet'ies  known  to  me  may  bf  tliiis  tabnlatiMl: 

TAIJLE  OF  Sl'KCIKS. 
\\'itif;lfss 2 

lilack,  liiiciv,  cloHcly  inuictulat*';  le^s  iiixl  ;iutoim;r,  yellow. 

AIkIoiiu'h  i>(tint»'d  ovati',  longer  tlian  the  head  and  the  thorax  together 

I'.  COKXUTi'S.  8p.  IIOV. 

2.  Head  and  thorax  blaek,  tiiU5ly.  closely  jMinctnlate. 

Ahdoineii.  legs,  and  .inteuiia-  hright  yellow,  the  tbrnier  with  two  fuscous  s|>ot8 
toward  liase C  BixoTAirs.  sj».  nov. 

CeratobaeuB  cornutus  8|i.  iio\ . 
(I'l.  Mil,  Fig. S.  9  .) 

9.  lien^th,  1.5""".  IJlack.  tinely,  <'l<)sely  ])nn<*tnlate;  tin'  head  with 
s<tine  taint,  thinible-like  pnnetures;  antenna'  aiul  leys,  yellow.  Head 
about  .{J  times  as  wide  as  thiek  antero  ])osteriorly ;  the  lower  part  of  faee 
siiKKdh.  shininy,  with  a  slight  grooved  line  from  front  oeellus,  the  rest 
of  the  head  closely  i>unetiilate.  Antenna-  7-Jointed,  the  elnb  inarticn- 
late;  the  tirst  fnnielar  joint  is  half  the  length  of  the  pedicel,  or  twico 
as  long  as  thick;  the  three  following,  transverse.  The  thorax  exhibits 
two  very  short  grooved  lines  posteriorly,  just  in  front  of  the  scutellum, 
that  are  evidently  the  Ixigi'ining  of  the  parai)sidal  furrows.  Meso- 
l>leura  with  a  crenulate  femoral  furrow.  Metaj)leura  jiunctate,  di- 
vided into  two  parts  bj^  a  fovea  and  a  groovi'd  line.  Wings  subhyaline, 
the  uiTvures  lirown;  the  marginal  vein  is  abotit  half  the  length  of  the 
stigmal.  Abdomen  i)ointed-ovate,  <lepressed,  longer  than  the  head 
and  tlKnax  together,  minutely  punctate,  with  a  microscopic  pubes- 
cence; the  horn  on  the  tirst  .segment  reaches  to  the  apex  of  the  scutel- 
lum and  is  wholly  longitudinally  striated;  the  second  segment  is  much 
wider  but  no  longer  than  the  first;  the  thinl  segment  is  the  longest 
and  widest,  being  2i  times  as  long  as  the  secoial;  the  fourth,  is  about 
half  the  length  of  the  second;  the  fifth  still  shorter;  the  pixth,  very 
short,  si-arcely  discernible;  the  seventh,  ])ointed  or  conical,  and  longer 
than  the  fourth. 

Hahitat. — Washington,  !).('. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  by  Mr.  K.  A.  Schwarz. 

.  Ceratobaeus  binotatus  sp.  nov. 

9.     Length.  <».S' Head  and  tliorax  idack,  <los4'iy,  minutely  puiic- 

t"late;  antenna-,  legs,  and  abdomen  bright  yellow,  the  latter  with  two 


MONOGRAril  OF  TRE  NOUTII  AMERICAN  PKUCTUTKYPID.E.      177 

fiUNious  spots  iit  base  of  second  sej;ment,  Imt  toward  the  lateral  corners. 
Head  very  Avid«;  and  thick  antero-posteriorly.  Eyes  largo,  rounded, 
coarsely  fsweted.  Antennae  7-jointed,  the  club  very  birge,inarticulated, 
and  longer  than  tlie  pedicel  and  funicle  together;  first  funiclar  Joint 
scarcely  longer  than  thick,  the  other  three  exceedingly  short,  transverse. 
Thorax  entirely  without  trace  of  furrows.  Wings  entirely  wanting. 
Abdomen  oval,  not  h)nger  than  the  head  and  thorax  together,  faintly, 
microscopically  i)unctate  and  shining;  the  first  segment  with  a  horn- 
like prominence,  striated  posteriorly;  the  second  segment  is  a  little 
longer  than  the  first;  the  third,  as  long  as  the  first  and  second  together; 
the  following  s«'gments  short. 

Habitat. — Washington,  1).  C. 

Type  in  Coll.  Ashmead. 

Described  from  3  specimens,  taken  by  Mr.  Vj.  A.  Schwarz  and  myself. 
This  wingless  species,  but  for  the  hornlike  structure  at  base  of  ab- 
domen, could  easily  be  mistaken  for  an  J  olus. 

Eiit.  AI:iy..  1.  !».  270  9. 

HiiperbaiiH  Forsti-r  Ilyiii.  Stml..  ii.  p.  U4,  1)S5<». 
TrwhmiiiH  Prov.  A«l»l.  ot  Corr..  ]).  209,  1KS7. 

Head  very  large,  transverse,  about  twice  as  wide  as  the  thorax,  the 
frons  broad,  convex;  ocelli  3,  triangularly  arranged  but  widely  sepa- 
rated, the  lateral  being  close  to  the  margin  of  the  eye;  eyes  very  large, 
oval. 

Antenna'  inserted  dose  to  the  clypeus;  in  2  7-.jointed,  davate,  the 
club  largo,  inarticulate;  in  i  12-.jointed,  subclavate,  the  funiclar  joints 
after  the  second  scarcely  longer  than  wide,  very  slightly  widened  toward 
tii)S. 

Maxillary  palpi  L*-.jointod. 

Thorax  scarcely  as  long  as  wide,  the  i>rt»notum  not  visible  from  above, 
the  scutollum  in  9  notdifierontiatod,  while  the  metathorax  is  extremely 
short;  in  the  S  the  scutcillum  is  distinct,  semicircular,  subconvex. 

Wings  in  the  i  with  a  distinct  basal  nervure,  a  short  nnirginal,  a 
long  knobbed  stigmal  nervure  and  no  post  marginal;  the  ?  always 
apterous. 

Abdomen  in  9  oval,  sessile,  convex  alK>ve,  fiat  beneath,  the  third 
segment  occupying  nearly  the  whoh'  surface,  the  first  and  second  seg- 
ments being  visible  oidy  as  transverse  lines  or  wrinkles;  in  i  smaller, 
rounded  and  more  fiattened,  the  first  and  second  segments  very  short, 
transverse,  the  third  the  largest  segment. 

Legs  rather  long,  the  femora  clavate,  the  tibial  spurs  weak,  the  tarsi 
5-iointed,  the  hind  tarsi  not  longer  than  thei-  femora,  the  basal  joint 
being  one-third  longer  than  the  second. 

The  absence  of  a  scut*!llum  readily  distinguishes  the  females  of  this 
(jenus.  The  male  was  unknown  to  llaliday  and  Forster  and  is  here 
21899— ifo.  45 12 


178  BULLETIN    15,  UNITED    STATES   NATIONAL   MUSEUM. 

(Icsciibetl  for  tlu'  first  time.  A  single  S  specimen  (toj^ether  with  sevenil 
females)  was  reaied  from  si>i(ler  eggs  in  an  orange-colored  eocooti  by 
Mr.  J.  H.  P^mertou,  in  1871,  and  is  now  in  the  Department  of  Agricul- 
ture. This  single  specimen  has  enabled  me  to  i)erfect  the  diagnosis 
of  the  genus.  It  bears  a  close  resemblance  to  the  male  in  the  genus 
Acohndes,  but  differs  in  having  subclavate  antenuic,  a  little  longer 
marginal  vein,  longer  stigraal  vein,  and  a  distinct  basal  nervure. 

The  habits  of  the  genus  were  unknown  to  the  European  authorities, 
and  we  are  indebted  to  an  American,  Mr.  L.  ().  Howard,  for  first  making 
us  acquainte<l  with  them  in  this  country.  All  that  have  been  reared 
are  from  s])ider  «'ggs. 

The  species  known  to  me  may  be  tabulated  as  follows: 

TAHLK    (»F    Sl'EClEy. 

15<Mly  not  tilt  iiely  hl.uk 2. 

Uo<ly  iMitiifly  l)l;ick. 
Head  anil  (Innax  faintly  niicroscnpioally  piinctiilau*;  iilxlonuni  sniootli,  sliininf^. 

L«'g8  and  antenna-  fnscons li.  .Aiixmiis,  sp.  uov. 

Li'gs,  Hcape  and  funiele.  brownish-j^ellow B.  xioek,  8]).  nov. 

2.    Head  black. 

Thorax  and  abdomen  t'liscons  oi'  pieeons ;  legs  and  antenuie,  biownisli-yellow,  the 

seajte  and  pedicel  at  base,  fuscons B.  PicEUS,  sp.  nov. 

Thorax  and  abdomen  brownish-yellow;   legs  and  antenna'  yellow,  the  clnb 

black B.  ci-AVATis,  Prov. 

Wholly  dark  houey-ycUow B.  amkricancs.  How. 

Baeus  ininutus,  sp.  nov. 

9  .  Length,  O.o""".  Black,  shining,  faintly  microscopically  puiu'tu- 
late,  with  a  micro.>copic  sericeous  pubesceni'c;  antennae  and  legs  fus- 
cous, or  dark  1>  >wn,  the  tarsi  paler.  Antenn.e  T-.joiuted,  very  .short, 
the  club  largi^,  l)ointed-ovate;  pedic<'l  large,  pale  at  tip;  first  funidar 
Joint  scarcely  longer  than  thick;  the  remaining  joints  of  funiele  very 
minute,  transverse.  Abdomen  broadly  oval,  convex,  shining,  impunc- 
tatc,  wider  than  the  head  and  as  long  as  the  heatl  and  thorax  united. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

Described  from  2  9  specimens  received  from  W.   Hague  Harrington. 
*  Baeus  niger,  hj>.  nov. 

9 .  Length,  0.7""".  Black,  shining,  with  a  fine  sericeous  pubes- 
cence; head  impunctate;  eyes  very  large,  nearly  round,  occui)ying  the 
whole  sitle  of  the  head,  i)ubescent;  thorax  not  longer  than  the  length 
of  the  head,  microscopically  punctate.  Antenna'  very  short,  the  scape 
and  funiele  pale  rufous  or  brownish-yellow,  the  club  large,  black.  JiCgs 
bro\vuisU  yellow,  the  tibite  with  u  sli^fht  dusky  streak  ut  tUe  middle, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.I':,     1  70 

Abdomen  long-oval,  twice  as  lonj,'  as  the  head  and  thorax  toj^'ether,  the 
widest  part  as  bro{»d  as  the  head. 

Habitat.— Washinjjton,  1).  C. 

Type  in  National  Museum. 

Described  from  a  single  specimen,  taken  September  21, 18S4. 

Baeus  piceus,  Hp.  nov. 

9  .  Length  0.6""".  Brownish-piceous,  smooth,  shining,  impunctnred; 
antenn.T  and  legs  brownish-yellow,  the  scape  and  pedicel  above  fuscous, 
pale  at  tips ;  the  three  last  fuuicle  joints  very  minute  transverse,  the 
ttrst  not  longer  than  thick,  less  than  one-third  the  length  of  the  pedicel. 
Abdomen  oval,  convex,  polished  and  shining,  a  little  longer  than  the 
heav4  and  thorax  together. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  si)ocimen  received  from  W.  llagui^  Har- 


rington. 


Baeus  clavatus  Pruv, 


Trichaniiin  vJavatitH  Piov.,  Add.  et  Corr.,  p.  2W. 
lid'im  claratits  Haigtn.,  Ins.  Life,  ii,  p.  359. 

9.  Lcnj^tli  O.O.")  inch.  Of  ii  nniforni  .eddish-ltrown,  with  the  l«>jjs  yellow.  The 
clnb  of  the  antenna'  black.  Thorax  <leuHely  i)nnctnred.  nietathorax  rugose.  Legs 
pale  yellow,  the  tarsi  with  the  la^t  .jidiit  brown.  Abdomen  browner  than  the  rest, 
polished  but  not  metallic.     (  Transln  ted  from  I'rovaiither.) 

Habitat. — Ottawa,  Canada. 
Type  in  Coll.  Harrington. 

Baeus  aniericanus  How. 

(IM.  Mil.  Fi-  !t,^  9.) 

Ins.  Life,  ii,  j).  L'7<),  Fij;.  .Vt. 

9.  Length  0.»r>""".  Length  of  antenna!  clnb  O.I>C)'""',  or  in  other  words  the  en- 
tire body  is  only  'i\  times  as  long  as  the  antennal  clnb.  Width  of  antennal  clnb 
0.082'""'.  General  color  dark  honey-yellow;  scai>e  and  fnnicle  of  antennae  brownish, 
clnb  lighter,  dark  at  tip;  vertex  and  face  light  honey-yellow;  dorsnni  of  thorax  and 
abdomen  dark  honey-yellow,  almost  ai>]>roaching  mahogany;  legs  throughout  con- 
colorons  with  the  head;  middle  and  hind  tibije  a  little  darker  near  b.isc.  Surface 
of  abdomen  smooth,  shiny;  mesonotum  very  faintly  punctate.  Thorax  and  abdo- 
men with  extreujely  line,  sparse,  whitish  pile;  ti])  of  abdomen  with  a  short  and  con- 
tracted fringe  of  white  pile.  Antenn.al  clnb  very  large,  longer  than  rest  of  funicle 
and  ]>edicel  together;  funicle  Joints  very  narrow  and  abort,  8ube<iual;  pedicel  wider 
and  as  long  as  entire  fnnicle,  except  club.     ( IToiiard.) 

S .    Length  0.8"'"'.     Dark  honey-yellow  ;   th«'  head  i)iceous,  with  a 

median  carina  anteriorly  ;  antenna'  and  legs  ])ale  yellowish  ;  abdomen 

small,  rounded,  fnscous,  the  basal  segment  short,  transver.se,  striate. 

"Wings  Uy$»Uut?,  filnged,  tUt^  veuatlou  paJe  brovru,  the  b^sal  wervmy 


180  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

distinct,  the  maigiual  iiervure  short,  about  twice  as  \ou^  as  thick,  the 
post-inarfifinal  iiervuie  waiitinj^,  the  stignial  hmg,  obliijiie. 

Habitat. — Brooklyn,  New  York. 

Types  in  National  Museum. 

This  species,  as  we  are  informed  l>y  Mr.  Howard,  was  reared  by  Col. 
Nicholas  Pike  from  spider  eyj(s  in  an  oranj;e  cocoon  belonging-  to  dw 
family  Epcirida'. 

The  male,  here  described,  was  reare«l  by  Mr.  .1.  H.  Emerton,  in  1871, 
together  with  several  females,  from  an  orange-colored  spider's  co.;oou. 

Tribe  III. — Teleasini. 

Au  extensive  tribe  with  few  genera,  but  numerous  in  species,  distin- 
guished by  the  antenna;  being  inserted  ch)se  together  on  a  clyi>eal 
prominence  ;  by  the  venation,  the  postmarginal  vein  never  being  devel- 
oped, the  marginal  vein  always  greatly  lengthened,  and  the  stigmal 
vein  always  minute,  scarcely  developed  ;  by  the  abdomen  always  beinf: 
distinctly  carinated  along  the  sides,  with  the  third  segment  the  long- 
est ;  and  by  the  Aveak  tibial  spurs. 

Under  this  tribe  six  genera  are  brouglit  together,  Tclea-s,  Prosacan- 
tha,  and  allied  genera. 

Except  in  a  single  instance,  the  rearing  of  Prosacantlia  caraborum, 
by  Dr.  Kiley,  from  the  eggs  of  a  beetle,  ('hlwniiis  impunctifronii,  noth- 
ing i^ositively  is  known  of  the  parasitism  of  the  group.  It  is  possible 
they  confine  their  attacks  to  Coleopterous  eggs,  although  Prosacnntha 
hasalis  Forster  is  recorded  as  having  been  reared  from  Dipterous  lar- 
viv.  Since  this  record  is  totally  at  variance  with  the  habits  of  the 
whole  subfamily  SccJionituv,  I  question  its  accuracy,  as  I  believe  the 
.whole  group  are  i.'<f::j^  i)arasites. 

The  genera  may  be  tabulate<l  as  follows  : 

TAIJLE   (»!•'    <iENEllA. 

1  KMALKM. 

Abdoiiieu  hroadly  oval,  the  first  sugiiieiit  witlcr  tluin  lonj? S 

Abtloiaen  long-oviil,  oiloii^ovate,  the  liist  segment  petioliform  (loiigerthan  wide). 
First  abdominal  segment  bearing  a  hori.  •  postseutellum  with  three  spines. 

Pentacan THA  Asbm. 
First  abdominal  segment  witliont  a  horn. 

Mesouotura  without  furrows 2 

Mcsonotum  Avitli  2  furrows. 

Metascutellnni  with  3  spines Trissacantha  Asbm. 

Metascntellnm  with  1  8i)ine Xknomkris  Walk. 

2.  Postscutelliun  with  a  single  large  spine,  mandibles  bifid,  the  outer  tooth  the 

longer. 

Posterior  femora,  t  ibiie,  and  tarsi  slender;  tibial  sjmrs  Weak  .Puo.«*ACANTitA  Nees. 

Posterior  femora  8w<db'i;,  tibia'  dilated  at  apex,   the  basal  tarsal  Joint  short, 

stout;  tibial  spurs  not  weak TELKAsLatr. 


MONOGRAPH  OF  THE  NOKTH  AMKRICAN  I'ROCTOTKYPID.E.     181 

3.  Wiiif^cd;  iiijui(li1>l»'s  Mtitl,  the  ivvAh  «'<|iial. 

Metiiseutelliiiii  with  :i  spiiio,  or  tiiln'iriilat*' IIorLocKYox  Asliin.,  goii.  iiov. 

Metascutelliiiii  simple (Jryox  lialiday. 

Apterous. 

MetiistMitelliim  with  a  small  s|)iiio  or  tubercle (Hopmkiryon). 

Metascntelluin  without  a  spine,  simple ((JRYON). 

MALKS. 

Abdomen  broadly  oval,  the  first  segment  wider  than  long 3 

Abdomen  long-oval,  the  first  segment  jietioliforni;  the  marginal  vein  very  long. 

Mesonotum  without  furrows;  ])ostscutelluiii  s])iued '2 

Mesonotimi  with  2  distinct  furrows;  posterior  augh's  of  metathorax  usually 
spiued  or  toothed. 
Metascutellum  with  ;J  spines;  antenna'  very  long,  liliform.  pubescent. 

Tkissacantha  Ashm. 
Metascntellum  with  l.s])iiie;  antenna'  with  whorls  of  hair. 

XKNOMEItl^S  Walk. 

2.  Antenna'  long,  tiliforni.  the  flagellar  Joints  at  least  four  times  as  long  as  thick,  the 

third  Joint  excised  at  base  or  angulated;    i>osterior  femora  not 
swollen,  the  tibial  spurs  not  develope<l,  the  basal  tarsal  Joint  long, 

slender Prosacantma  Nees. 

Antenna-  filiform,  the  flagellar  Joints  usually  leas  than  thrice  as  long  as  thick; 
]iosterior  femora  swollen,  the  tibial  sjmrs  develo])ed,  the  basal 
joint  short,  stout Tki.kas  Latreille. 

3.  Marginal  vein  long,  at  least  four  or  five  times  as  long  as  the  stigmal. 

iletascutelliim  with  a  small  spine  or  tubercle;  antenna'  filiform,  the  flagellar 
Joints  elongate HoiM.ociRYoN  Ashm.,  gen.  nov. 

Metascutelliim  without  a  sjiiiie,  siniide;  antenna;  filiform,  the  flagellar  Joints 
scarcely  longer  than  thick Grvon  lialiday. 

PENTACANTHA  Ashm. 
Can.  Ent.,  xx,  ]>.  .51  (1888). 
(Type,  r.  ((DindvustK  Ashm). 

Head  transverse,  the  occiput  straijrlit,  not  eniarj?inat<^,  with  a  delicate 
margin  extending  on  the  clieeks,  whicli  are  tiattened;  ocelli  ."5,  in  a  tri- 
anjifle;  eyes  Ion j^' oval,  hairy. 

Antenna'  inserted  at  the  base  of  the  clypens,  12-jointed  in  both  sexes, 
in  the  $  clavate,  the  club  G-Jointed,  the  tirst  tunidar  joint  twice  as  long 
as  the  pedicel. 

Maxillary  palpi  very  short,  3-jointed. 

iSIandibles  bidentate  at  apex,  sinuate,  and  ^ith  a  lobe  at  base  within. 

Thorax  ovoid,  the  protliorax  not  visible  from  above;  me.sonotuni 
wider  than  lor. g,  the  seapuLe  not  separated;  scutelluni  semicircular, 
rugose;  postscutellum  with  3 erect,  conic  teeth ;  inetathorax  very  short, 
with  prominent  acute  posterioi-  angles  thtit  are  connected  with  a  carina. 

Front  wings  as  in  Prosacdntha. 

Abdomen  oblong-oval,  narrowed  at  base,  attached  to  nietathorax  far 
above  the  hind  coxiv,  and  composed  of  six  visible  dorsal  segments,  the 
basal  segment  having  a  .short,  smooth,  blunt  horn,  partly  prohmged 
over  the  metuthorax,  the  thij'd  segmeni  the  longest.       -  :,^ 


182  IHJLLETIN    ir.,  IGNITED   STATED   NATIONAL   MUSEUM.     ' 

Lrj^s  rii(,ln'r  luii^',  slciMlrr,  pilose,  the  lihiii-  rliivatc,  tlieir  spurs  weak, 
the  tarsi  mucli  longer  than  the  tibia*,  slendtT,  the  chiws  simple. 

('l«)sely  allied  to  J'rosticdntlia,  but  readily  distiiijiuished  by  the  post- 
scutelliim  beinji"  armed  with  'A  spines,  and  the  tiist  abdominal  sv^- 
ment  bearinj;'  a  horn,  as  in  CaUttcleut  Westwood,  in  the  trib*-!  ticelionini. 
The  male  is  unknown. 

Peiitacaiitha  canadeiiBis  Ashni. 

(PI.  VIM,  FiK.  1,9-) 

lof.  cit.  i>.  51. 

9.  Length,!*""".  lUack;  thorax  and  scutellnm  coarsely  sliagreened, 
oi)aque;  the  liea<l  smooth,  shining,  with  some  grooved  lines  baek  of 
the  eyes  and  on  the  occiput,  the  vertex  rather  acute.  Antenna*  12- 
jointed,  brown,  the  tirst  funiclar  joint  twice  as  long  as  the  pedicel,  the 
second  one  third  shorter  than  the  tirst,  the  third  about  as  long  as  wide, 
the  fourth  Avider  than  long;  club  G  jointed.  Thorax  a  little  wider 
than  h)ug,  without  furrows,  the  postscutellum  with  .'5  erect  spines,  the 
lateral  posterior  angles  of  the  metathorax  acutely  spined.  Legs,  in- 
<luding  anterior  coxa',  ho'iey-yellow  or  brownish-yellow;  middle  of  the 
femora  and  tibia*  and  the  posterior  coxa*,  dark  brown  or  fuscous.  Ab- 
domen polished  black,  the  third  segment  the  longest  ami  widest,  the 
tirst  with  a  horn  at  base,  this  as  well  as  the  second  and  the  third,  except- 
ing on  its  disk,  hmgitudinally  striated.  Wings  subhyaline,  the  vena- 
tion rufo  piceous. 

Habitat. — Ottawa,  Canada,  an<l  Kansas. 

Type,  $  in  Coll.  Ashmead. 

The  type  was  described  from  a  single  specim(*n  receive«l  from  W.  IL 
Harrington,  but  I  have  since  seen  a  specimen  in  Prof.  l%»i>enoe's  col- 
lection, taken  in  lliley  C(mnty,  Kans. 

TRISSACANTHA  Ashiii. 
Ent.  Am.,  Ill,  p.  101  (1S87). 
(Type,  T.  amrricatia  Aslun.) 

Head  transverse,  the  occiput  almost  strjiight,  margined;  ocelli  3, 
close  together  in  a  triangle;  eyes  oval. 

Antenna*  inserted  on  a  cly])eal  prom'uence,  lli-jointed,  in  S  very  long, 
filifornj,  cylindrical,  the  scape  extending  to  the  ocelli,  the  i)e<licel  very 
small,  annular,  the  third  funiclar  joint  bent  and  angulated  at  the 
middle. 

Maxillary  palpi  ,'5-jointed. 

Mandibles  biilentate  at  tijis,  the  teeth  equal. 

Thorax  ovoid,  the  prothorax  slightly  visible  from  above,  the  mesono- 
tum  smooth,  wider  than  long,  with  two  delicate  but  distimt  furrows, 
scutellum  semicircular,  convex,  jnetascutellum  armed  wicn  A  erect 
8])ines,  metathorax  short,  the  ]»leura  more  or  less  covered  m  ith  a  gray- 
ish woolly  pnbes<'ence,  the  angles  acute.  ^ 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     183 

Front  wiii;;s  imbescfiit,  i-iliatod,  tlir  cilia  on  iiind  niarfjfin  very  lonjf, 
th»^  maijriiial  vein  linear,  about  five  times  as  long'  as  the  short  stignial, 
the  postniarg'inal  wanting. 

AluloiniMi  longoviil,  depressed,  s]>arsely  pilose,  the  first  segment 
longer  than  wide,  tinted,  the  third  t\\v,  largest;  the  tirst  three  segments 
are  hnigitiidinally  striated. 

Legs  rather  long,  slender,  i)ilose,  the  tibial  spurs  nn'nute,  the  tarsi 
slender  but  8pinuh»se. 

This  genus,  known  only  in  the  male  sex,  is  distinguished  from  Prom- 
cantha  by  the  3-spined  postseutellum,  and  in  having  distinct  meso- 
notal  furrows ;  from  Xt-nomeniti,  which  also  has  mesonotal  furrows,  it 
is  separated  by  the  p(Kstscutellum  and  the  filiform  antenuie. 

It  may  be  the  opi)osite  sex  of  Ptntacntithay  agreeing  witii  it  in  its 
postscutellar  character,  but  the  mexonotnin  hdx  tiro  distinct  fiirnurs,  and 
as  1  know  of  no  genus  in  the  Proctotrijpidw  having  the  mesonotum 
grooved  in  one  sex  and  plain  in  the  opposite,  1  believe  it  to  be  dis- 
tinct. This  character,  used  in  the  table  of  the  males,  is  therefore 
repeated  in  the  generic  table  of  the  females. 
■  Only  two  spe(;ies  are  kuown  to  me,  whiirh  may  be  separate*]  as  follows: 

Bliiek;  It-gs  rufous,  coxic  black. 

Scutelhiiu  smooth,  jiolislit'd T.  amkuicana  AhIiiu. 

Scntelluiu  rugose T.  kuoosa,  sp.  uov. 

Trissacaiitha  americana  Asbni. 

(PI.  viii.  Fig.  2,  c?.) 

Ent.  Am.,  iii,  p.  117;  Cress.  Syn.  Hym.,  i>.  813. 

$.  Length,  2.5""".  INdished  black,  pubescent;  head  and  occiput 
with  some  strite;  mandibles  i)iceous;  legs  rufous,  the  coxie  black. 
Antemue  IL'-Jointcd,  filiform,  black,  longer  than  the  body,  the  scape 
not  much  longer  than  the  tirst  flagellar  joint,  the  pedicel  annular,  the 
flagellar  joints  all  long,  cylindrical,  the  first  about  five  times  as  long 
as  thick,  the  se<'ond  shorter,  the  third  angulated  at  the  middle  and 
slightly  excised  at  base.  Mesonotum  with  two  distinct  furrows;  scu- 
tellum  semicircular,  smooth,  poli.shed;  po.stscutellum  with  three  erect 
spiue.s,  the  middle  the  huigest.  Abdomen  longer  than  the  head  and 
thorax  together,  longitudinally  striate*].  Wings  fusco-hyaline,  pu- 
bescent. 

Habitat. — Florida,  District  of  Colund)ia  and  Virginia. 

Type  in  Coll.  Ashmead;  specimens  in  National  Museum. 

This  species  was  originally  described  from  a  spe<imen  taken  by 
myself  in  Florida,  but  I  have  since  seen  specimens  taken  in  Virginia 
and  District  of  Columbia. 


:  ^         -  Trissacantha  rugosa,  sp.  uov.  .    '  ■ 

$.    Length,  2..")"'"'.    Black,  shiiang,  ])ubes<'«'nt;  head  above,  collar 
an<l  scufellum  rugo.so-ptnictate,  the  mesonotum  smoother,  the  fa^-e  near 


1S4  HULLKTIN   45,  TIMTED    STATES   NATIONAL    MTSEl'M. 

thv  eyes,  striated.  Aiit«'iiiiii'  iL'joiiitcil,  brown  I)Iiick,  loii;,M'r  tliaii  tlio 
body.  Mt'soiiotuni  smooth,  sliiiiiny,  with  two  furrows  and  a  fi'W  srat- 
tered  piuutun's;  niitUlh'  seines  of  postscutt'lhini  twice  as  lotijjf  and 
nuK'h  stouter  than  the  hiteral  spines,  curve<l  and  rather  bhint  at  apex; 
inetathorax  with  prominent  an<;h's.  Abdomen  blaek,  shinin;;,  striated. 
Wings  hyaline,  pubescent,  the  niarj-inal  vein  six  times  as  lonj;-  as  the 
short  stign»a1      liCga  rufous,  the  coxa-  black. 

Habitat.— Arlington,  Va. 

Type  in  Coll.  A.shmead. 

Described  from  a  single  s]>ecimen,  which  is  readily  distingui.she*! 
from  T.  americatia  by  the  rugo.sity  of  the  vert«^x,  collar,  and  scutelluin. 

XBNOMERUS  W.ilk.r. 

Ent.  MiVf,'.,  Ill,  p.  :>."..">  (1K^«). 

(Type  A.  <'»v/fHHrt  Walk.,  <?  ;    Tekas  nutlou 'Wn\]i.,  9-) 

(I'l.  VIII.  Kig.  8.  (?.) 

Head  large,  trausver.se,  bioader  than  the  thorax,  the  oc<'i|)ut  slightly 
emarginated,  with  a  delicate  margin;  ocelli  three  in  a  triangle,  the 
lateral  away  from  the  margin  of  the  eye;  eyes  rounded,  pubescent. 

Antenna'  12-.jointed  iti  both  .sexes,  inserted  on  the  clypeus,  in   9 
terminating  in  a  5- or  ti- Jointed  club,  in  S  pe«licelIate-nodose.  with  whorls 
of  long  hairs. 

Maxillary  palpi  .'i-jointed. 

Mandibles  bidentate. 

Front  wings  as  in  Teleas,  with  a  long  marginal  vein  and  a  short 
stigmal. 

Abdomen  broadly  oval,  the  first  and  second  segments  short,  the  first 
about  twice  .as  wide  as  long,  both  striated,  the  third  segment  large, 
the  folio .ving  very  short. 

Legs  long,  slender,  pubescent;  the  tibial  spurs  weak,  the  tar.si  long, 
.slender;  the  basal  joint  of  the  l.'ud  tarsi  more  than  twice  as  long  as 
the  .secon<l;  claws  simple. 

The  genus  is  readily  distinguished  in  the  male  sex  by  the  verticillate 
antenna',  and  in  the  female  from  Tried,",  Promcnntha,  and  allied  genera 
by  having  distinct  mesonotal  furrows;  from  7Vm«6'aM//u/,  which  also 
has  mesonotal  fnnows,  it  is  distinguished  by  having  a  single  post- 
scutellar  spine. 

Zenomerus  pallidipes,  rsp.  iiov. 

9.  Length,  1.4"'"'.  Polished  black,  shining,  sparsely  pubescent; 
head  transverse,  with  the  eyes  slightly  wider  than  the  thorax,  the  lat- 
ter slightly  pubescent. 

Anteniiie  12-Jointed,  clavate,  the  club  6-jointed,  the  scape  pale  brown, 
the  flagellum  bla<^li;  the  pedicel  is  shorter  than  the  ttr.st  funiclar  joint  j 
the  first  and  second  funiclar  Joints  longer  than  thi<*k,  the  third  and 
fourth  small,  transverse;    <'lub  Joints,  except  the  last,  transverse. 


MONO(JRAPII  OF  THK  NORTH  AMKRff'AN  IMfOcTOTUYPIDE.      1^5 

Tlunax  with  (\v<»  impressed  lines  subobsolct*- posU'iioily;  sciitclliiinroii- 
vex,  separated  from  the  mesonotnm  by  a  transverse  line;  metaseiitel 
hini  armed  with  a  small  iuxitv  tooth.  VVinjjs  hyaline,  <iliat«'d.  Lejxs 
pale  brownish-yellow,  the  coxa*  iliisky  basally.  Abdomen  lonjjer  than 
the  head  and  thorax  together,  narrowed  basally  into  a  petiole  and  in- 
serted far  up  on  the  metathorax  behin<l  the  pt>stsentellnm,  black  and 
polisheil. 

Habitat. — Ailington,  Va. 

Type  in  ('oil.  Ashmead. 

Deseribed  from  a  single  speeimen. 

The  insect  des«Tibed  by  me,  in  the  beginning  of  my  studies  on  this 
family,  under  the  name  X.  nihirola.  is  a  3  I'teromalid  belonging  to  a 
genus  unknown  to  me. 

PROSACANTHA  N.es. 

Mou.,  II,  11.  294  (18ai);  Forster.  Ilyiii.  Stiul.,  ir,  \k  \0:\  (isr.6). 

( /'.  loiifiiroriiiH  Nt'cs. ) 

Head  transverse,  the  occiput  slightly  emarginated  and  delicately 
margined;  ocelli  .S,  in  a  triangle,  rather  close  together,  the  lateral 
very  distant  from  the  margin  of  the  eye;  eyes  oval,  pubescent. 

Antenna;  inserted  on  a  clypeal  prominence,  12-jointed,  in  9  termina- 
ting in  a  long,  fusiform,  (J-.jointed  club;  the  funiclar  Joints  thicker  than 
the  pedicel,  the  first  two  Joints  longer  than  wide;  in  i  long,  filiform, 
the  joints  long,  cylindrical,  the  third  angulated  or  emarginated  from 
near  the  middle  towards  the  base. 

Ma^^iUary  ]»ali)i  .3  Jointed. 

Mandibles  curved,  bidentate  at  tips,  the  teeth  in  the  left  mandible 
equal,  in  the  right  with  the  outer  tooth  the  longer. 

Tiiorax  ovoi<l,  the  prothorax  scarcely  visible  from  above,  narrowed 
into  a  slight  neck  anteriorly;  mesonotnm  broader  than  long,  without 
furrows,  seldom  occasionally  with  Indications  of  furrows  posteriorly. 
Scutellum  large,  semicircular,  subconvex;  metathorax  armed  with  a 
large  sharj*  spine  or  thorn ;  nu'tathorax  very  short,  the  posterior  angles 
usually  acute  or  spine<l. 

Front  wings  pubescent,  ciliated,  with  a  very  long  marginal  vein  that 
ends  at  two-thinls  the  length  of  the  wing  and  is  <l  or  7  tinu's  longer 
than  the  sh(U't  stigmal  vein,  the  postmarginal  never  developed. 

Abdomen  long-oval,  depressed,  longer  than  the  head  and  thorax 
together,  inserted  high  up  on  the  metathorax,  the  first  segment  i)etio- 
liform,  nuich  longer  than  wide,  finted  or  striated,  the  third  segment 
always  large  and  occupying  more  than  half  the  rest  of  the  abdomen, 
either  smooth  or  striated,  the  following  segments  very  short. 

Legs  long,  slender,  pubescent;  the  femora  not  especially  thick;  the 
tibial  spurs  weak;  the  tarsi  long,  slender,  cylindrical,  claw\s  simple. 

A  genus  most  frecjuently  confused  with  Telea^s^  but  easily  separated 
by  the  much  slenderer  hind  legs  and  the  weaker  tibial  spurs. 


18G  BULLETIN    15.  UNITED   STATES   NATIONAL   MUSEUM. 

TABLE   OF    Sl'EriES. 

KKMALES.  • 

Anteiiii.T-  not  annulate«l  with  while 2 

Aiit<-niiii>  aunulatiHl  wi(h  white. 

First,  set'oiid,  and  tiiinl  funiilar  joints  wliite F.  ANNrucoRNis,  ap.  nov. 

2.  Ant«'nnii'  not  wholly  hi  ck,  tlic  scape  riilous  or  yellow 1 

Antenna'  with  the  scape  i>ale  only  at  hase-, ',i 

Anfenna-  wholly  hlaik. 

Legs  wholly  black. 
Thorax  rngose,  opaijnc,  '        • 

Fae  t  lougitndinally  striatM P.  xigripks,  sp.  nov. 

Thorax  tiuely  pnuctate,  shining. 

Face  striate  toward  hase  of  antenna^ P.  melanopis,  sp.  nov. 

Thorax  smooth,  shining  at  the  most  microscopically  pnnctate. 

Face  smooth,  shining P.  rKXNSYi.VAN'iCA,  sj).  nov. 

Legs  not  wholly  black. 
Legs,  except  knees  and  tarsi,  black  or  dark  fnscons. 
Thorax  rugoso-pnnctato:  lower  part  of  face  striate. 
iScntellum  rngose,  o]»aqnc;  wings  abbreviated.. .  .P.  T'Tahensis,  sp.  nov. 

Scntellum  smooth,  polished P.  californic*,  sp.  uov. 

Thorax  closely  striately  pnnctate;  scntellnm  faintly  pnuctate,  opaqne. 

Face  smooth,  shining P.  l.kvifkoxs,  sp.  uov. 

Thorax  finely  rngose,  subopatjue;  scntellnm  shining,  faintly  punctate. 
Face  shining  but  sparsely  finely  pnnctate P.  N.\NA,  sp.  nov. 

3.  Coxje  black;  legs,  nuless  otherwise  mentioned,  pale  infons. 

Thorax  closely  pnnctnlate. 

Face  highly  polished;  tibia*  and  tarsi,  tnscons P.  caraborum,  Riley. 

Thorax  and  scntellnm  longitudinally  rngnlose. 

Frons  polished  but  with  some  scattered  punctures. 

P.   PUNCTIVEXTRIS,  sp.  UOV. 

Thorax  and  scntellnm  tiuely  riigoso-i)nnctate,  opaque. 

Frons  shining,  feebly  shagreeued.  with  some  scattered  jmuctures. 

P.  scinvARZii,  sp.  nov. 
Thorax  pcdished,  sparsely  punctate ;  scntellnm  polished. 

Frons  polished;  posterior  tibia'  fuscous  above P.  pusim.a,  sp.  nov. 

Thorax  tiuely  pnnctnlate;  head  and  scntellnm  smooth,  shining;   legs  jtale 

brownish-yellow P.  oracilicorni-s  sp.  i»ov. 

Coxfe  and  legs  i)ale  rufous  or  brownish-yellow. 
Thorax  and  scntellnm  rugoso-i)nnctate.  ■        ?,       «' 

Frons  smooth,  sparsely  ]>unctate P.  marYLaxdica,  sp.  nov. 

Frons  coai-sely  longitudinally  striate P.  kijscipf,nnis,  Ashm. 

Thorax  and  scntellnm  shining,  faintly  punctate. 

Frons  smooth,  with  some  small,  faint  punctures P.  columhiana,  sp.  uov. 

Thorax  finely  pnnctnlate  with  indications  of  furrows  posteriorly;  scntellnm 
smooth,  shining. 

Frons  highly  |)olished,  impunctate P.  iulineata,  sp.  nov. 

Thorax  and  scntellnm  finely  rugose,  opa»|ue;  pleura  rufous. 

Frons  shining,  sparsely,  faintly  punctate P.  pi.euralis,  sp.  nov. 

4.  All  coxa',  except  stmietimes  the  last  pair,  pale r» 

All  coxa'  black. 

Thorax  and  scntellnm  coarsely  longitudinally  rngulo.se. 
First  funidar  Joint  one-third  shorter  than  the  second;  legs  rufous;   throe 
basal  segments  of  abdomen  striata; P.  roxAi.is,  sp.  nov. 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     187 

Thorax  fiiu'ly,  i  losely  iiuuctate;  the  K(iit<'lliiui  binuotli,  jiolisbed. 

First  au<l  second  funicbir  ,juiiit.s  loii^  e<]ual,  about  5  times  as  long  as  thii'k; 

legs  pale  brownish-yellow P.  graciucoknis,  sp.  uov. 

5.     Legs  rufons. 

Thorax  and  scntellnm  rngoae,  opaque. 

Inner  orbits  and  lower  parts  of  face  and  the  cheeks  striate;    wings  hyaline. 

V.  LiNKM.ii,  s|».  nov. 
Thorax  and  scntellnm  sparsely  pnnctate,  shining. 

Inner  orbits  and  lower  i»art  of  face  striate;  wings  fns<'ons. 

P.  KKYTHROPUS,  Sp.  HOV. 

Legs  yeHow. 
Thorax  and  scntellnm  rngnlose,  opaqne. 

Head  polished,  inner  orbits  and  lower  part  of  face  striate;   wings  hyaline; 

vo\n'  yellow  P.  ki.avicoxa,  sji.  ni»v. 

Thorax  and  scntellum  coarsely  rugnlose,  opaqne. 

Head  polished,  inner  orbits  not  striate,  wings  snbfnscous,  hind  coxa'  black. 

P.  AMEKICAXA,  Asluu. 

Thorax  punctate,  shining,  with  indications  of  furrows  posteriorly;  the  scntel- 
lnm smooth. 
Head  polished,  the  lower  part  of  face  and  cheeks  striate;   wings  hyaline; 
peticdc  t>f  abdomen  yellow P.  ki.avopetiolata,  sjt.  m)v. 

MALES. 

Antenna*  not  wholly  black 2 

Antennae  wholly  black. 
Legs  wholly  bla<k ;  face  longitudinally  striated. 
Anteima' shorter  than  body,  tirst  flagellar  joint  less  than  four  times  as  long 

as  thick P.  nigkipes,  sp.  nov. 

Legs  brownish-yellow. 
Antenna'  much  longer  than  the  body,  first  flagellar  joint  6  times  as  long  as 
thick P.  STRIATIFHONS,  sp.  nov. 

2.  Fiist  flagellar  joint  not  a«  long  as  the  Mcape 3 

First  flagellar  joint  longer  than  the  scape. 

Thorax  finely  rugose,  smoother  on  shoulders;  scntellnm  smooth,  with  punctures 
at  base. 
Legs  brownish  yellow,  middle  tarsi  and  posterior  tibJi'  and  tarsi,  fuscous, 

P.  CAKABOKl'.M,  Kiley 

3.  Thor.ax  closely  punctate  or  rugose 4 

Thorax  smooth,  shining,  faintly  punctate;  legs  brownish-yellow. 

First  flagellar  joint  4  times  as  long  as  thick,  a  little  shorter  than  the  following: 
Frons  polished. 
Third  abdominal  segment  not  acicnlat«  or  pnnctate;  petiole  black. 
i,  P,  COH'MBiAXA,  sp.  nov. 

Third  abdominal  segment  smooth,  im])nnctate;  petiole  yellow. 

P.  FI.AVOI>F/ri()LATA, 

Frons  striated. 

Third  abdominal  segment  finely   acicnlated   and   pnnctate;    petiide  dull 
nifons P.  MACRocEUA,  Ashm, 

4.  First  flagellar  joint  .shorter  than  the  second. 

Thorax  and  scntellum  closely  pnnctate,  shining. 

Lower  part  of  the  face  striate;  mandibles  large,  yellow. 

P.  XANTHOGNATHA,  Sp.  nOV, 

Thorax  rugose,  opaipie  or  subopaiinc,  pnbescent. 

Frons  hnigitudinally  striate;  nnindibles  and  legs  rufons, 

P,  MARYLANDICA,  sp.  noV. 
First  flagellar  joint  longer  than  the  second,  abdinuen  longitudinally  striate*!. 

P.  srUlATlVENTKIS,   sp.  UUV. 


188  BULLKTIN    4.".,  UNITEI)   STATES    NATIONAL    MUSEUM. 

Prosacantha  annuliconiis.  isp.  iiov. 

9  .  ^ellgth,  2  to  2.2""".  Head  and  abdomen  black,  shining;  tlio  tho- 
rax dull  rutims,  punctate,  the  metatlioiax  and  nietajdeura  stained 
with  black.  Head  transverse,  the  vertex  subacute,  face  smooth,  with 
a  few  scattered  iiunctures,  the  orbits  longitudinally  aciculated.  An- 
tenn.TB  12  jointed,  hmg;  the  scape  long,  rufous,  extending  one-third  its 
length  beyond  the  (►celli,  its  apex  and  the  pedicel  fuscous;  the  first 
three  funiclar  joints  are  long,  subequal  in  length,  yeHowish  white; 
the  fourth  funiclar  joint  ami  the  club,  black;  the  fourth  funiclar 
joint  is  a  little  longer  than  thick  and  fidly  as  thick  as  the  preceding 
joints.  Scutellum  roughly  punctate;  the  i>o8t-scutellnm  armed  with 
an  unusually  long  a<'ute  spine.  Metathorax  with  the  angles  acute. 
Wings  fuscous,  paler  basally.  Legs  pale  rufous,  the  cox.e  and  tro 
chanters  yellowish,  the  tips  of  the  femora  and  tibiae  a  little  fuscous. 
Abdomen  as  long  as  the  head  and  thorax  t«>gether,  polished,  the 
petiole  and  the  second  segment  longitudinally  striated. 

Habitat. — Washingtcm,  D.  C. 

Types  in  National  Museum,  American  Entomological  Society,  and 
Coll.  Ashmead. 

Described  from  many  specimens,  taken  in  winter,  by  sifting. 

Prosacantha  nigripes,  sp.  nov. 

$  9.  Length,  2  to  2.4"'".  Black;  tliorax  and  scutellum  finely  ru- 
gose, subopaque;  head  transverse,  vertex  ])unctate,  the  occiput  trans- 
versely aciculated,  the  face  longitu<linally  striate,  the  cheeks  with 
strije  converging  toward  the  mouth.  Mandibles  rufous.  Antenna^ 
12-jointed,  black,  scape  not  extending  beyond  the  middle  ocellus;  ped- 
icel small;  the  first  three  funiclar  joints  n«'arly  ecjual  in  length,  about 
thrice  as  long  as  thick. 

Posterior  angles  of  metathorax  with  a  short  tooth.  L»^gs  entirely 
black.  Wings  fusc<ms.  Abdomen  slightly  longer  than  the  head  and 
thorax  together,  ixdished,  the  petiole  and  second  segment  longitudi- 
nally striated,  the  «lisk  of  the  third  segment  faintly  longitudinally 
aciculated. 

In  the  $  the  antenna'  reach  to  the  middle  of  the  abdomen.  The 
fiagellar  joints  very  slightly  subequal,  the  first  the  longest  and  thick- 
est, four  times  as  long  as  thick. 

Habitat. — The  Dalles  an<l  Portland,  Oregon. 

Ty])es  in  Coll.  Ashmead. 

Described  from  si>ecimens  received  from  Mr.  IL  F.  Wickhara. 

Prosacantha  striatifrons,  sp.  nnv. 

S.  Length,  2""".  Black;  head  broadly  transverse,  shining,  vertex 
smooth.  Irons  and  fiic«'  longitu«lrnally  striated;  mandibles  long,  falcate, 
pale  rufous;  thorax  and  scntelhim  rugulose,  opaijne;  legs  bi1)wnish- 


MONOGRAPH  OF  Till':  NORTH  AMERICAN  PROCTOTRYPID.E.     189 

yellow.  Anteuuje  12-joiiited,  tiliforin,  black;  first  fimicle  joiut  (>  times 
as  lon^t  as  thick;  second  slightly  shorter;  third  still  shorter;  fourth  and 
following  longer  than  third,  but  not  (i[uite  as  long  as  the  second.  Post- 
scutellar  si»ine  long,  acute.  Angles  of  metatliorax  acute.  Wings  sub- 
hyaline,  the  nervures  ^ale  brown.  Abdomen  broadly  oval,  black,  shin- 
ing, the  first  and  second  segments  and  the  third,  on  disk,  longitudi- 
nally striated. 

Habitat. — Jacks«>Mville,  Fla. 

Type  in  Coll.  Ashmead. 

Describe<l  from  a  single  specimen. 

Prosacautha  melauopus,  h|i.  nuv. 

9.  Length,  1.4:""".  Black,  shining;  face  perfectly  smooth;  thorax 
and  scutelluni  faintly  microscopically  punctate,  but  not  sufficient  to 
destroy  the  smoothness  or  luster  of  the  surface.  Mandibles  dull, 
rufous.  Antenna'  12-Jointed,  short,  black;  scape  long,  pedicel  two- 
thirds  the  length  of  the  first  iuniclar  joint;  the  first  and  second  funic- 
lar  joints  nearly  e<pial,  the  second  the  smaller;  third  and  fourth,  mi- 
nute, trausverse;  club  G-joiuted,  as  long  as  the  pedicel  and  all  the 
funiclar  joints  together;  the  joints  transverse,  about  twice  as  wide  as 
long.  Wings  fuscous.  Legs  black;  tip  of  trochanters  and  base  of 
tarsi,  piceous  or  brownish.  Abdomen  as  long  as  the  head  and  thorax 
together,  smooth,  shining;  the  peti<de  and  first  segment  striated. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  si)ecimen  received  from  Mr.  W.  Hague  Har- 
rington. 

Prosacautha  pennsylvauica,  8]i.  nov. 

9  .  Length,  1"'"'.  Black,  shitiing,  sparsely  pubescent,  the  puu(;tua- 
tiou  of  the  thorax  very  fine  and  faint.  Aiiteuna;  12-jointed,  black,  not 
extending  beyond  the  base  of  abdomen;  first  funiclar  joint  scarcely  as 
long  as  the  pedicel,  the  second  shorter,  the  third  and  fourth  minute, 
transverse.  Wings  hyaline,  strongly  iridescent,  Avith  a  faint  fuscous 
tinge.  Legs  l)rown-black,  trochanters,  knees,  tips  of  tibia'  and  base 
of  tarsi  yellowish.  Abdomen  broadly  oval,  not  as  long  as  the  head 
and  thorax  together,  smot)th,  ]K)lished,  with  a  fine  pubescence;  the 
petiole  longer  than  thick,  striated;  the  second  segment  with  some  strijc 
at  base. 

Habitat. — rennsylvania. 

Type,  9  in  Berlin  Museum. 

Described  from  a  single  specimen  labeled  "Penna.  Zinnnermaun." 

Prosacantha  utahensis,  s]).  nov. 

9.  Length,  1.5"'"'.  llhu-k;  thorax  and  scutelluni  rugoso  punctate, 
opatpie;  head  almost   smooth,  shining,  the  face  with  delicate  striiJB 


190  BULLETIN    45,  UNITED    STATES    NATIONAL   MUSETM.        ■ 

toward  tlu-  orbits  ami  on  cheeks  below  the  «'yes.  Mandibles  i  iifons. 
Antenna'  12 jointed,  black;  the  ]>edicel  half  the  lenjith  of  the  liist 
funiclar  joint;  '»ale  at  tip;  second  fjiniclar  joint  one-third  shorter  than 
the  first,  third  and  fourth  minute,  transverse;  club  as  lonj?  as  the 
funicle,  tlie  joints  transverse.  AVinj»s  abbreviated,  not  extendinj^  be- 
yond the  base  of  second  abdominal  segment.  Leys  bla<;k,  articula- 
tions of  trochanters,  knees,  and  the  tarsi^  rufous.  Abdomen  a  little  longer 
than  the  head  and  thorax  together,  shining;  the  tirst  and  second  seg- 
ments coarsely  striated,  the  following  segments  shagreeued,  or  with  a 
scaly  puiu'tuation;  venter  evcept  the  tirst  segment,  feebly  microscopic-, 
ally  punctate. 

Habitat. — Park  City,  Utah. 

Type  9  iu  Coll.  Ashmead. 

Described  from  a  single  siiecimen  collected  by  Mr.  E.  A.  Schwarz. 
Prosacantha  californica,  »]>.  iiox . 

9.  Length,  l.S""",  Black;  thorax  tinely  rngoso-punctate,  opaque; 
the  s<*utellum  smooth,  shining;  head  smooth,  shining,  the  orbits  and 
lower  part  of  the  cheeks,  striated.  Mandibles  piceous.  Antennae  Hi- 
jointed,  black,  the  pedicel  about  half  the  length  of  the  first  funiclar 
joint,  the  second  funiclar  joint  very  slightly  shorter  than  the  first,  the 
third  and  fourth,  minute,  rounded;  club  as  long  as  the  funicle  and  the 
jiedicel  together,  the  joints  transverse.  Metapleura  polished.  Hind 
angles  of  metathorax  toothed.  Wings  subfuscous,  fully  developed,  the 
margins  ciliated.  Legs  black,  the  articulations  and  the  tarsi  fusc<ms. 
Abdomen  oblong-oval,  not  longer  than  the  head  aiul  thorax  together, 
polished,  impunetured,  the  first  segment  and  the  second  at  base  aloue, 
striated. 

Habitat. — Santa  Cruz  iMountains,  Cal. 

Type  in  Coll.  Ashmead. 

Described  from  1  specimen. 

Frosacaiitha  laevifroiis,  up.  imv. 

♦ 
9  .     Length,  1""".     Black;  thorax  closely,  striately  ])unctate,  ojuique; 

the  scutellum  feebly,  minutely  punctate,  subopaque;  head  shining,  the 
face  polished,  the  cheeks  with  striae  below  the  eye,  the  occiput  closely 
punctate.  Mandibles  rufous.  Antenna?  12-jointed,  short,  black,  the 
first  and  sec<md  fuuiclar  joints  equal,  only  one-third  longer  than  the 
pedicel,  the  third  and  IVuuth,  minute,  transverse,  club  longer  thau  the 
funicle,  the  joints  transverse.  Postscutellar  spine  very  minute.  Legs 
fuscous,  the  trochanters,  knees  and  tarsi,  pale  brown.  Wings  sub- 
fuscous, pubescent.  Abdomeu  broadly  oval,  shining,  the  first  and 
second  segments  striated,  the  following  microsco]n<'ally  ])unctate, 

Habiiat. — Washington,  D,  C.,  aiul  Arliugton,  Va, 

Types  iu  ColJ,  Ashmeiid, 

p^sci'ibeil  from  3  8j>ecl^eut<, 


MONOGRAPH  OF  THE  NORTH  AMKRICAN  PROCTOTRYPID.E.     191 
Prosacantha  nana,  h)).  nov. 

5.  Length,  1""".  Black;  thorax  finely  rujjoso,  subopaque,  the 
scntellnm  smooth,  shining,  faintly  punctate;  hea<l  smooth,  sliining, 
the  face  polished,  very  simrsely,  finely  punctate  above.  Mandibles 
black.  AntennjB  12-Jointed,  black,  the  pedicel  two-thirds  the  length 
of  the  first  fuuiclar  joint,  the  second  fuuiclar  joint  slightly  shorter  than 
the  first,  the  third  and  fourth,  minute,  transverse,  club  as  long  as  the 
funicle,  excluding  the  pedicel,  the  joints  transverse.  Postscutellar 
spine  very  minute.  Wings  subfuscous.  Legs  black,  the  tarsi  fuscous. 
Abdomen  longer  than  the  head  and  thorax  together,  polished,  the  first 
segment  and  the  se(  ond  basally,  striated. 

Habitat. — Utah  Lake,  Utah. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  received  from  Mr.  B.  A.  Schwarz. 

Prosacantha  caraborum,  bx>.  iiov.  Kiley. 
(PI.  viii,  Fig.  4.9.) 

"  9  .  Length,  1.8""".  Black,  shining,  the  thorax  finely  rugulose,  the 
scutellum  almost  smooth.  Head  transverse,  thrice  as  wide  as  long,  the 
occiput  longitudinally  striated,  the  face  smooth  with  a  delicate  carina 
extending  from  the  front  ocellus  to  the  base  of  the  antennae ;  lower  part 
of  orbits  and  cheeks  with  strijc  converging  toward  the  mouth;  mandi- 
bles pale  rufous,  deeply  bifid  at  tips;  antenme  lli-jointed,  about  as 
long  as  the  body,  slender,  dark  brown  or  bla^^k,  the  scape  a  little  pale 
at  extreme  base;  pedicel  ab(mt  as  hmg  as  the  third  funiciilar  joint;  the 
first  and  second  funicular  joints  ehnigate,  equal,  about  twice  as  long  as 
the  pedicel,  the  fourth  subequal  with  the  third ;  club  G-jointed,  slender, 
long,  fusiform.  Metanotuni  with  silvery  pubescence;  teguhe  black; 
wings  hyaline,  the  venation  pale  brownish-yellow.  Legs  reddish-yel- 
low, the  coxje  bas'^lly  and  the  middle  and  posterior  tibitB  and  tarsi, 
fuscous.  Abdomen  as  long  as  the  hea<l  and  thorax  together,  shining, 
with  a  sparse,  fine  pubescence  toward  the  apex;  the  first  three  seg- 
ments longitudinally  striated. 

"  S .  Smaller  (L6'""')  and  leniarkable  for  the  very  long,  filiform, 
hairy  antennjc  which  are  fully  twice  the  length  of  the  whole  insect; 
they  are  black,  the  scai^  rufous,  the  pedicel  round;  the  flagellar  joints 
all  exceedingly  long  and  slender,  longer  than  the  scape,  th",  third  being 
angul.arly  produced  toward  the  base." — [From  RileifH  MS.^ 

Habitat. — Washington,  D.  C,  and  Arlington,  Va. 

Types  in  National  Museum  and  Coll.  Ashmead. 

Reared  by  Dr.  Riley  in  June,  1884,  from  the  eggs  of  a  Carabiu  '«, 
{(JItlwniHs  impuncti/rons),  and  also  taken  by  me  in  Virginia  by  , 


192  BULLETIN    15,  UNITED   STATES   NATIONAL   MUSEUM.       ' 

Piosacautha  puuctiventris,  h|i.  iio\  . 

9.  Length,  2.5"".  HIack;  thorax  and  scutelhun  lonjjitndin.illy 
rnguh)8(',  subopaque;  liead  very  broad,  shining;  faco  smooth,  with  scat- 
tered punctures;  lower  ^artot'face  and  cheeks  striated.  Antennje  12- 
joiuted,  bhick,  the  scape  basally  rufous;  first  Hagelhir  joint  twice  the 
leugth  of  the  peilicel  the  secoid  one  third  shorter  than  the  first  but  a 
httle  stout4'r,  the  third  and  fourtli  transverse-quadrate;  club  shorter 
than  the  funicle.  Mesopleura  rugose.  Postscutellar  spine  triangular, 
rugose.  Lower  part  of  nietapleura  striated.  Angles  of  metathorax 
produced  into  triangular  teeth.  Wings  subfuscous,  the  marginal  vein 
less  than  five  times  as  long  as  the  stigmal.  Legs  pale  rufous,  the  coxse 
black.  Abdomen  broadly  oval,  shining,  the  first  segment  coarsely 
striated,  the  disks  of  the  second  and  third  finely  striated,  the  venter 
punctate. 

Habitat. — Fortress  Monroe,  Va.,  and  District  of  Columbia. 

Types  in  Coll.  Ashmeatl. 

Described  from  5  specimens  collected  by  Mr.  E.  A.  Schwarz. 
Prosacantha  Schwarzii,  sp.  uov. 

9.  Length,  1.5""".  Black;  thorax  and  scutellum  finely  rugoso-punc- 
tate,  opaque;  head  shining,  the  frons  feebly  shagreened,  the  face  and 
cheeks  strongly  striated.  Mandibles  rufous.  AutennjB  12-jointed, 
blsick,  the  scape  paler  at  base;  pedicel  pale  at  apex,  a  little  shorter  than 
the  first  funiclar  joint;  the  first  and  second  funiclar  joints  about  of  an 
equal  leugth,  the  second  the  stouter;  thethird  and  fourth  minute,  trans- 
verse; club  as  long  as  the  pedicel  and  funicle  together,  Mesopleura 
rugose.  Postscutellar  spine  triangular.  Angles  of  metathorax  acute. 
Wings  subhyaline,  the  marginal  vein  4  times  the  length  of  the  stigmal. 
Legs  brownish-yellow,  the  coxa?  black.  Abdomen  broadly  oval,  the  first 
segment  and  the  second,  for  two-thirds  its  length,  coarsely  striated; 
rest  of  the  abdomen  smooth,  polished. 

Habitat. — Washington,  D.  C. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  by  E.  A.  iSchwarz,  and  in 
honor  of  whom  this  species  is  dedicated. 

Prosacantha  pusilla,  sp.  uov. 

9  .  Length,  l"""'.  Black,  polished,  shining,  the  thorax  feebly,  sparsely 
punctate;  frons  jwdished,  impunctate,  lower  ])art  of  face  and  cheeks 
Striated.  Mandibles  and  legs  brownish-yellow,  the  coxse  black.  An 
tenniB  black,  the  scape  pale  at  extreme  base;  pedicel  and  second  funi- 
clar joint  of  an  equal  length,  the  first  a  little  longer;  third  and  fourth 
minute,  transverse.  Post-scutellar  spine  acute.  Wings  subhyaline, 
the  marginal  vein  six  times  the  length  of  the  stigmal.  Alxlomen  oWong- 
oval,  highly  i>olished,  impunctured,  the  first  segment  and  the  second 


MONOGKAI'II  OF  THE  NORTH  AMERICAN  1'ROCTOTHYriU.E.      193 

for  two-thirds  its  leu^tli,  coarsely  striated,  the  third  with  a  row  of  very 
short  striir  at  extreme  base. 

Habitat. — Jaeksonville,  Fhi. 

Type  in  Coll.  Ashinoad. 

Described  from  a  single  specimen. 

Prosacantha  gracilicorLis,  sp.  iiov. 

9.  Length,  l.S""'.  Black;  head  and  scutellum  smooth,  polished; 
thorax  fiMcly,  closely  punctate,  opaque;  legs  pale  brownish-yellow,  the 
coxjB  black  basally.  Autennse  12-jointed,  brown-black,  the  scape  pale 
at  base,  long  and  slender,  about  as  long  as  the  body;  the  scape  extends 
slightly  beyond  the  ocelli,  slender,  a  little  thickened  at  the  middle; 
pedicel  cyathiform;  tirst  and  second  fnniclar  joints  long,  equal,  about 
tivet'mesaslongas  thick,  the  third  half  the  length  of  second;  the  fourth 
still  shorter,  a  little  longer  than  thick;  club  G-jointed,  very  slender,  and 
about  as  long  as  the  the  first  and  second  funiclar  joints  together,  the 
joints  only  slightly  wider  than  long.  Wings  hyaline,  pubescent,  the 
venation  brown.  Abdomen  a  little  longer  than  the  head  and  thorax 
together,  the  petiole  longer  than  thick,  finely  pubescent  and  coarsely 
striated,  the  second  segment  coarsely  striate  at  base  only,  the  third 
with  some  fine  longitudinal  aciculations  basally. 

Habitat. — Carolina. 

Type  in  Berlin  Museum. 

Described  from  a  single  specimen,  labeled  simply  "Carolina,  Zimmer- 


mann." 


Prosacantha  marylaudica,  sp.  iiov. 


(5  9.  Length,  2""".  Black;  thorax  and  scutellum  rugoso-punctate; 
head  smooth  with  some  sparse  punctures  and  some  broad  but  not  deep 
strife  on  lower  part  of  the  face.  Mandibles  pale  rufous.  Antennae 
black,  the  scape  basally  and  the  pedicel  at  apex  yellowish;  the  first 
funiclar  joint  is  twice  the  length  of  the  pedicel  and  one-third  longer 
than  the  second;  third  and  fourth  joints  small,  transverse.  Legs, 
including  coxte,  brownish-yellow.  Post-scutellar  spine  large,  trian- 
gular, nearly  horizontal  and  projecting  over  the  base  of  the  scutellum. 
"Wings  subhyaline,  the  marginal  vein  at  least  six  times  as  long  as  the 
stigmal.  Abdomen  oblong-oval,  longitudinally  striated,  the  fourth 
and  following  segments  and  the  venter,  punctate. 

In  the  male  the  post  scutellar  spine  is  not  so  decumbent,  and  does 
not  project  over  the  base  of  the  abdomen ;  the  third  abdominal  segment 
is  smoother  and  shows  only  a  few  longitudinal  strise  on  the  disk;  while 
the  antennfe  are  long,  filiform,  the  first  flagellar  joint  the  longest,  about 
five  times  as  long  as  thick,  the  following  a  little  shorter. 

Habitat. — Oakland,  Md. 

Types  in  Coll.  Ashmead. 

Described  from  yi-ecimens  received  from  Mr.  E.  A.  Soiiwarz. 
21899— No.  45 13 


194  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

Prosacantha  fuscipennis  AHbin. 
Ent.  Anier.,  in,  p.  117,  Ch-sh.  Syn.  Hym.  p.  313. 

S.  Leiiffth,  2.2'""'.  Robust,  black;  thorax  jiikI  scntoUnm  coarsely 
niffoso  punctate,  opaque;  head  larjje,  broad,  shiuinj;:,  vertex  polished, 
the  froiis  aud  face  coarsely,  longitudinally  striate.  Antennie  12  jointed, 
long,  filiform,  brown-black,  the  scape  towards  basal  half  rufous;  first 
flagellar  joint  the  longest,  the  third,  the  shortest  and  emargiuated  at 
base;  the  joints  after  the  third  longer,  very  slightly  in<!reasing  in 
length  to  the  last.  Legs  rufous,  the  hind  cox.e  sometimes  black. 
Post- sen tellar  spine  large,  triangular,  arute.  Wings  fuscous  or  sub- 
fuscous,  the  marginal  vein  nearly  six  times  as  long  as  the  stignial. 
Abdomen  oblong-oval,  polished,  the  first  and  second  segments  coarsely 
longiludiually  striated,  the  third  feebly  longitudinally  striated,  the 
following  smooth. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Prosacantha  Columbiana,  Bp.  nov. 

9  .  Length,  2.2""".  Black,  shining,  sparsely,  faintly,  minutely  punc- 
tate; the  head  polished,  lower  part  of  orbits,  on  either  side  of  the  in- 
sertion of  the  antennjT;  and  cheeks,  striated.  Mandibles  reddish-yellow. 
Antenna;  brown-black,  the  basal  half  of  scape  and  tubercles  pale  rufous; 
first  and  second  joints  of  funicle  of  an  equal  length,  twice  the  length  of 
the  pedicel,  the  third  and  fourth  transverse.  Legs,  including  coxa?, 
brownish-yellow.  Post-scut  ell  ar  spine  acute,  triangular;  metapleura 
smooth,  polished.  Wings  subfuscous,  hyaline  toward  base.  Abdomen 
obloug-oval,  polished,  the  first  and  second  segments  coarsely  striated, 
the  third  more  or  less  striated  basally,  and  the  rest  of  the  segments 
smooth,  impunctured. 

Habitat. — District  of  Columbia. 

Types  in  Coll.  Ashmead. 

Prosacantha  bilineata,  sp.  nov. 

9  .  Length,  1.5""".  Black,  shining,  the  thorax,  excluding  the  scutel- 
lum,  minutely  punctulate,  with  indications  of  furrows  posteriorly ;  head 
highly  pohshed,  impunctate,  with  some  stripe  toward  the  mouth.  Man- 
d'bles  piceous.  Ant/eunaB  12-jointed,  black,  the  extreme  base  of  scape 
reddish;  first  funiclar  joint  not  quite  twice  as  long  as  the  pedicel, 
the  second,  a  little  shorter,  third  and  fourth,  small,  transverse.  Legs, 
including  coxa",  pale  rufous.  Post-scutellar  spine  very  acute.  Meta- 
thorax  with  small  acute  teeth  at  the  posterior  angles,  the  metapleura 
crenulate.  W^ings  hyaline,  the  venation  yellowish.  Abdomen  oblong- 
oval,  smooth,  shining,  the  first  segment  aud  the  second  at  base,  striated. 

Habitat. — Washington,  D.  C. 

Type  in  Coll.  Ashmead. 

Described  from  4  specimens. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDJi.      195 
PrcBacautba  pleuralls,  Hp.  nov. 

9 .  Length,  1.5""".  Bliick,  opaque,  finely  rngo.se,  the  face  smooth, 
shining,  the  pleura  rutbus,  the  mesonotum  with  slight  indication's  of 
furrows  posteriorly.  Man<libles  large,  falcate.  Antennic  12-Jointed, 
brown  black,  tlie  basal  half  of  scape  pale;  first  and  second  funiclar 
joints  nearly  equal  in  length,  the  second,  slightly  the  h)nger,  third  and 
fourth  Joints  not  minute,  fully  as  thi(!k  at  apex  as  the  preceding  joints, 
subquadrate.  Legs,  in(!luding  coxnB,  brownish  yellow.  Post-scutellar 
8i»ine  rather  large,  acute,  oblique.  Wings  subfuscous,  hyaline  ;«t  base, 
the  venation  brown.  Abdomtn  oblong  oval,  polished,  shining,  the  first 
and  second  segments  of  an  equal  length,  striated. 

Habitat. — District  of  Columbia. 

Types  in  Coll.  Ashniead. 

Described  from  2  specimens. 

Prosacautha  Linellii,  sp.  nov. 

9  ,  Length,  2.2""".  Bla<;k ;  the  thorax  and  scutellum  finely  rugose, 
opaque;  the  head  broad,  shining,  inner  orbits  and  lower  part  of  face 
coarsely  striated,  the  middle  of  face  smooth,  shining,  with  a  few  minute 
punctures,  the  cheeks  with  punctate  striaj.  Antenuie  12-jointed,  brown- 
black,  the  scape  towards  base,  brown ;  first  flagellar  joint  about  twice  as 
long  as  the  pedicel,  the  latter  pale  at  apex;  the  second,  one-third  shorter 
than  the  first;  third  and  fourth,  transverse.  Post-scutellar  spine  large, 
triangular.  Wings  hyaline,  the  venation  pale  brownish.  Legs,  inclu- 
ding coxae,  reddish-yellow.  Abdomen  oblong-oval,  shining,  the  first 
and  second  segments  striated,  the  third,  with  some  faint  strise  toward 
base. 

Habitat. — Long  Island,  New  York. 

Type  in  Coll.  Ashmo- d. 

Described  from  a  single  specimen  obtained  from  Mr.  Martin  Linell. 
Prosacantha  erythropus,  sp.  uov. 

9.  Length,  2.2'""'.  Robust,  black,  shining,  punctate;  head  very 
wide,  inner  orbits,  cheeks,  and  lower  part  of  face,  striated ;  apical  half 
of  scutellum  smooth,  impunctate;  scape,  mandibles,  and  legs,  reddish- 
yellow;  flagellum  brown-black.  Antennae  12-jointed,  the  flagellum 
stout;  the  second  funiclar  joint  one-half  longer  than  thick,  and  a  lit- 
tle shorter  than  the  first,  tliird  and  fourth  transverse-quadrate.  Post- 
SL'utellar  spine  large  acute.  Angles  of  metathorax  spined  Wings 
fuscous.  Abdomen  oblong-oval,  shining,  the  first  and  second  segments 
and  the  basal  two-thirds  of  the  third  longitudinally  striated,  the  rest 
smooth. 

Habitat.— District  of  Columbia. 

Types  in  Coll.  Ashmead. 

Described  from  two  specimens. 


196  BULLETIN    lo,  UNITED    STATES   NATIONAL    MUSEUM. 

Prosacantha  flavicoxa,  sp.  nov, 

9.  Lcnfith,  2.1'""'.  Black;  licad  wide,  si»aisely  piiiu'tate,  shining, 
the  inner  orbits  and  lower  part  of  laee  striated;  thorax  and  sentel- 
luMi  rngulose,  opaque,  imbeseent;  seape  and  le^is,  inelndinj;  all  coxa*, 
brijj;lit  yellow;  tlayelluni  black.  Antenna'  11' jointed;  lirst  lunielar  Joint 
abont  twice  as  lon;n"  i>^  tl'^'  pedicel,  12A  times  as  long  as  thick;  second 
joint  shorter;  third  an<l  fonrth  minute,  transverse;  clnb  (i-jointed, 
about  as  long  as  the  I'liniele,  the  joints  transverse,  the  second  a  little 
the  longest  joint.  Postseutellar  sjtine  triangular,  acute,  horizontal. 
Angles  of  nietathorax  acutely  spiiuMJ.  Wings  clear  hyaline,  tln^  nerv- 
ures  yellowish.  Abdomen  oblong-oval,  })olished,  black,  the  lirst  and 
second  segments  striated. 

Habitat. — Virginia. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Prosacantha  americana  Ashm. 
Ent.  Am.,  in,  p.  IIU,  ^  ;  Cress.  Syii.  llym.,  p.  ?13. 

S.  Length,  1.2""".  Black;  head  transverse  but  thick,  polished, 
the  face  smooth,  with  some  t'lint  strije  only  below  the  eyes,  tlu»  inner 
orbits  not  striated;  thorax  and  scutellum  coarsely  rugulose,  opacpie; 
anteoiiie  long,  liliform,  the  scape  pale  only  at  base;  legs  yeUow.  the 
coxie  black,  shining. 

Postseutellar  spine  small.  Angles  of  nietathorax  subacute,  small. 
Wings  subhyaline,  the  nervures  brown.  Abdomen  broadly  oval,  the 
first  and  second  segnieuts  striated,  the  following  smooth,  polished, 
black. 

Habitat. — Jacksonville,  Fla.  • 

Type  in  Coll.  Ashmead. 

Prosacantha  flavopetiolata,  sp.  nov. 

S .  Length,  1.5""".  Black,  shining,  very  sparsely  punctate;  head 
transverse,  not  thick,  the  face  highly  polished,  impuuctate;  mandibles 
aiid  legs  brownish-yellow;  thorax  with  foint  indications  of  furrows 
posteriorly.  Antenna?  long,  tiliform,  12-jointed,  black,  the  8<;ape  yel- 
lowish beneath;  the  flagellar  joints  long,  cylindrical,  the  second  a 
little  longer  than  the  first,  the  third  thickened  toward  tip.  Post-scu- 
tellar  s])ine  small,  triangular.  Angles  of  nietathorax  not  prominent 
or  acute.  Wings  hyaline,  the  nervures  pale  brown,  the  marginal  vein 
very  long  and  slender,  the  stigmal  very  short  but  ending  in  a  little 
knob.  Abdomen  broadly  oval,  black,  shining,  the  petiole  yellow,  the 
first  and  second  segments  striated,  rest  of  the  segments  polished,  im- 
punctured. 

9 .  Length,  1.2'""".  Difl'ers  from  male  in  having  the  thorax  and 
scutellum  closely  puuctulate,  opaque,  the  scutellar  spine  larger  and 


MONOOHAl'H  OK  THE  NOUTII  AMKIilCAN  PHoCTOTin  TID.E.      197 

broad  at  baso,  wliilc  the  antenna'  are  elavate,  black,  the  scape  yellow, 
the  first  and  second  fiiuiclar  Joints  equal,  tvviee  as  luiij;  as  thick,  the 
third  and  fourth,  small,  transverse. 

Haihtat, — District  of  (^ohunbia  and  Arlinf;tuii,  Va. 

Types  in  Coll.  AshnieiMl. 

Prosacaiitha  macrocera  Aslitn. 
Eiit.  Am.  Ill,  p  117,  (?  ;  ('rnns.  Syn.  Hyin.,  p.  313. 

S.  Lenjjtli,  1.8"""-  Black,  shininj;,  ftiintly  punctate;  head  wide, 
the  frons  and  face  striated ;  mandibles  large,  rufous;  legs  rufous.  An- 
tennie  llijoint<'d,  very  lony,  «'ylindrical,  brown-black,  the  scape  rufous; 
first  and  thud  liiniclar  joints  about  ecpial  in  length,  a  little  shorter  than 
the  second,  the  third  angulated  outwardly  a  little  before  the  middle; 
fourth  Joint  and  the  following,  longer.  Scutellum  polished,  sparsely 
])unctate  at  base.  Post-scutellar  s[>ine  large,  acute,  erect,  very  slightly 
curved.  Angles  of  nietathorax  acute.  Wings  subfuscous,  fringed. 
Abdomen  oblong-oval,  shining,  but  minutely  sparsely  punctate,  the 
lirst  and  second  segments  and  the  third,  on  disk,  longitudinally  stri- 
ated or  aciculated ;  the  first  segment  brownish  or  dull  rufous,  rest  of 
the  segments  black. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashuiead. 

Prosacantha  zanthognatha,  sp.  nov. 

S.  Length,  1.5""".  Black,  shining;  head  very  wide,  polished,  the 
frons  smooth.  The  inner  orbits  and  lower  i)artof  face  striated;  man- 
dibles large,  yellow,  the  teeth  in  the  left  mandible  about  equal,  in  the 
right  with  the  outer  the  longer;  thora.x  and  scutellum  closely  punctu- 
late  or  minutely  rugulose,  shining,  the  parapsidal  furrows  slightly  in- 
dicated posteriorly ;  legs  brownish-yellow.  Anteniue  12-jointed,  brown- 
black,  the  scape  yellowish;  lirst  flagellar  Joint  a  little  shorter  than  the 
second;  fonith  and  following  longer  than  the  second.  Post-scutellar 
spine  triangular,  acute,  oblique.  Angles  of  metathorax  subacute. 
Wings  subfuscous,  not  fringed,  the  nervures  brown.  Abdomen  oval, 
black,  shining,  the  first  and  second  segments  »!oarsely  striated,  the 
third  and  following  punctate. 

Habitat.— Jacksonville,  Fla.  ; 

Type  in  Coll.  Ashmead. 

Closely  allied  to  P.  macrocera  but  slightly  smaller,  the  thorax  more 
closely  punctate,  the  aiitennie  shorter,  the  third  flagellar  joint  not  an- 
gulated, while  the  wing,  are  not  fringed. 

Prosacantha  striativentris,  sp.  nov. 

$.  Length,  LS'""*.  Black;  the  head  and  abdomen  shining;  the 
thorax  opa.que,  minutely,  closely  punctnlate;  abdomen  wholly  longi- 


198  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

tudiiially  striated;  legs  brownisli-yellow,  the  coxie  dusky  basally. 
Head  transverse,  the  face  convex,  polished,  the  orbits  and  lower  part 
of  face  striated.  Mandibles  yellowish,  the  teeth  black.  Antennae  12- 
joiuted,  filiform,  brown-black,  the  scape  pale  toward  the  base;  first 
funiclar  joint  longer  than  the  second,  the  third  -*  little  shorter  than  the 
second;  the  following  a  little  longer  than  the  third.  Post  scutellar 
spine,  small,  acute.  Angles  of  metathorax  small  but  acute.  Wings 
subhyaline,  the  uervures  pale  brown. 

IIabitat. — District  of  Columbia. 

Type  in  Coll.  Ashraead. 

Described  from  a  single  specimen.  The  striated  abdomen  and  the 
relative  length  of  the  tfcigellar  joints  readily  distinguish  the  species. 

TELE^S  Latrcllle. 
Gen.  Crust,  et  Ins.,  iv,  p.  32  (18o9). 
(Type  T.  claricornh  Latr.) 

Head  transverse,  the  occiput  margined;   ocelli  3,  rather  close  to 
gether  in  a  triangle;  eyes  ovate. 

Antennae  12-jointed  in  both  sexes,  inserted  on  a  clypeal  prominence; 
in  S  filiform,  in  9  ending  in  a  6-jointed  club. 

Maxillary  palpi  4-jointed ;  labial  palpi  3  jointed. 

Mandibles  falcate,  bidentate  at  apex,  the  outer  tooth  long,  acute. 

Thorax  short,  ovoid,  the  prothorax  not  visible  from  above;  mesono- 
tum  short,  broader  than  long,  without  furrows;  scutellum  semicircu- 
lar; post-scutellum  spined;  metathorax  very  short,  the  posterior  angles 
rarely  acutely  toothed. 

Front  wings  with  a  linear  marginal  vein,  rarely  five  times  as  long  as 
the  short  stigmal,  postmarginal  not  developed. 

Abdomen  long-oval,  depressed,  insert-ed  far  above  the  hind  coxae, 
the  first  segment  longer  than  wide,  the  third  the  longest  and  widest. 

Legs  slightly  pilose,  the  posterior  femora  swollen,  their  tibiae  and 
first  tarsal  joint  dilated,  the  tibial  spurs  distinct  but  short. 

The  swollen  hind  femora,  their  dilated  tibiic  and  tarsi,  stronger  tibial 
spurs,  and  the  larger  mandibles  can  be  depended  upon  to  distinguish 
the  genus. 

The  species  are  rare  and  only  a  few  have  been  described  that  really 
belong  here. 

TABLE  OF   SPECIES. 

Winged. 

All  coxfe  and  legs  pale  browniah-yellow 2 

All  coxae  black,  legs  pale  rufous  or  brownish-yellow. 
Thorax  and  scutellum  coarsely  rugose. 
Vertex  transversely  striated;    three  basal   abdominal  segments  coarsely 
striated,  the  fourth    basally  with  a  tine,  tran<»ver8e,  wavy  sculp- 
ture ;  rim  of  scutellum  yellow T.  lineaticeps,  sp.  nov. 


MONOGRAPH  OF  TFIE  NORTH  AMERICAN  PROCTOTRYPID^.      199 

Vertex  not  striated,  but  slightly  sculptured;  three  basal  abdominal  seg- 
ments striated,  the  fourth  and  fidlowiug,  finely  punctate  at  base; 
rim  of  soutellum  black T.  coxalis,  sp.  nov. 

Vertex  smooth ;  lirst  abdominal  segment  alone  striate ;  the  sec  jnd  and  third, 
liolished,  but  with  a  mii-roscopic  wavy  sculpture. 

T.  MANDIBULARIS  Ashm. 

2.  Vertex  of  head  rugose  but  not  striated;  three  basal  segments  striated. 

T.  PALLIUU'ES,  sp.  nov. 

Teleas  lineaticeps,  sp.  nov. 

S.  Length,  2.S0""".  Black,  pubescent;  head  transverse,  the  vertex 
and  occiput  transversely  striated ;  the  face,  except  a  space  at  the  mid- 
dle, longitudinally  strated.  Antennse  12-iointed,  d?«rk  brown,  the 
scape  pale  at  base ;  pedicel  small,  annular ;  first  funiclar  joint  four  times 
as  long  as  thick  (antenuie  broken  beyond).  Thorax  and  scutellum 
coarsely  rugose  or  scabrous.  Posterior  riiu  of  scutellum  yellow.  Post- 
scutellar  spine  large,  triangular,  oblique.  Metapleura  smooth,  pol- 
ished. Legs  pale  rufous  or  brownish-yellow,  the  coxa?  black,  the  jjos- 
terior  femora  swollen,  dusky,  their  tibia?  dilated  at  tip  with  two  dis- 
tinct spurs;  tarsi  dilated,  spinous.  Wings  fusco-hyaline,  pubescent. 
Abdomen  black,  shining,  as  long  as  the  head  and  thorax  together,  nar- 
rowed at  base;  tiie  first  three  segments  wholly  longitudinally  striated; 
the  fourth,  with  a  tine,  transverse  wavy  sculpture;  the  first,  at  extreme 
base,  yellowish. 

Habitat. — District  of  Columbia  and  Virginia. 

Types  in  Coll.  Ashmead. 

The  larger  size  of  this  species,  longer  first  funiclar  joint  of  antennae, 
coarser  sculpture,  yellow  rim  of  scutellum,  and  stouter  femora  and 
tarsi,  will  at  once  separate  it  from  the  European  T.  clavicornis  Latr., 
specimens  of  which  are  in  my  collection  from  France. 

Teleas  coxalis,  sp.  nov. 

9.  Length,  1.80  to  2""".  Black,  shining,  pubescent;  head  trans- 
verse, polished,  the  vertex  very  slightly  sculptured  but  not  striated; 
lower  part  of  face  and  the  cheeks  coarsely  striate,  the  latter  rounded; 
thorax  coarsely,  lineatedly  rugose.  Mandibles  very  large,  rufous,  the 
teeth  stout,  the  outer  the  longer.  Antenna?  12-jointed,  black,  reaching 
to  tlie  middle  of  the  abdomen,  the  scape  pale  at  base;  first  funiclar 
joint  long,  twice  as  hnig  as  the  scape;  second,  one-third  shorter  than 
first;  third  and  fourth  transverse.  Post-scuteliar  spine  large,  triangu- 
lar, oblicpie.  Metapleura  striated.  Angles  of  metathorax  produced 
into  a  tooth.  Legs  pale  rufous,  the  coxic  black.  Abdomen  broadly 
oval,  polished,  the  three  basal  segments  striated,  the  third  laterally 
smooth,  the  fourth  and  following  segments  very  finely  puuctulate  at 
base. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashme<ad. 

Described  from  two  specimens. 


• 


200  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

Its  smaller  size,  uon  striated  vertex,  tlie  lineatetl  rugosities  of  the 
thorax,  the  length  of  tlie  fiiiiielar  joiuts,  and  the  sculpture  of  tite  thorax 
sufficiently  distinguish  the  si>ecies. 

Teleas  mandibularis  Ashiu. 
Prosacanlha  .naiidibularis  A^hm.,  Ent.  Am.,  in,  p.  117. 

5.  Length,  1.80""".  Robust,  black ;  tliorax  rugose  and  covered  with 
a  fuscous  pubescence;  cheeks  flattened;  lower  part  of  head  below  the 
eyes  striated,  rest  of  the  head  smooth,  polished.  Mandibles  long, 
curved,  brownish  yellow,  the  teeth  black,  the  outer  tooth  very  long, 
acute.  Antenuie  12-jointed,  very  short,  black,  not  reaching  beyond 
theteguhe,  the  scape  pale  at  base;  first  fuuiclar  joint  very  little  longer 
than  the  i)edicel, the  second  slightly  shorter;  third  and  fourth  minute, 
transverse;  club  scarcely  longer  than  the  funicle.  Posterior  rim  of 
scutelhim.  black.  Post-seutellar  spine  small.  Wings  fusco-hyaline, 
pubescent.  Legs  brownish  yellow,  the  coxje  black.  Abdomen  a  little 
longer  than  the  head  and  thorax  together,  smooth,  sliining,  with  a 
faint  wavy-lined  sculpture,  the  first  segment  alone  striated. 

Habitat.— Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

The  short  antenuw,  relative  length  of  the  funidar  joints,  and  the 
sculpture  of  abdomen  can  be  depended  upon  to  distinguish  tlie  species. 

Teleas  pallidipes,  Hp.  nov. 
(PI.  vni.  Fig.  5,  <?.) 

S .  Leugtlj,  2.20""".  Black,  pubescent;  head  transverse,  polished, 
the  vertex  almost  smooth,  the  lower  part  of  the  face  striate;  thoi-ax 
coarsely  rugulose,  the  pronotum  and  pleura  yellowisli  or  rufous. 
Mandibles  large,  yellow.  Clypeus  yellow.  Antenna^  12  jointed,  very 
long,  filiform,  black,  the  scape  and  pedicel  yellow;  first  funidar  jt)int 
two  thirds  the  length  of  scape;  the  second  and  third  one-third  shorter 
than  the  first,  the  latter  emarginated  at  base;  the  joints  after  the 
fourth  longer  than  the  first.  Post- sen tellar  spine  large,  triangular, 
horizontal.  Wings  subhyaline,  pubescent.  Legs  wholly  yellow.  Abdo- 
men oblong-oval,  narrowed  at  base,  black,  shining,  tlie  three  basal 
segments  striated.  ^  .  ^      -^         •      - 

Habitat. — New  Jersey. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen.  It  is  difficult  to  tell  whether  this 
species  is  the  opi)08ite  sex  of  either  of  the  two  females  described 
above,  but  as  the  coxa»  are  pale,  and  the  sculi)ture  is  ditterent,  I  sur- 
mise it  to  be  a  distinct  species. 

H0PL0QR70N  Asbm.,  geii.  nov. 
(Type  H.  mittulhsimiiH  AhIiiw.) 

Head  transverse;  cheeks  above  flattened,  broader  at  base,  face  anb- 
convex;  vertex  subacute;  ocelli  3, triangulsirly  arranged,  the  lateral 


MONOGRAPH  OF  THK  NORTH  AMKHKJAN  PROCTOTRYPID^.     2C1 

farther  away  fVoni  the  inarjjin  of  the  eye  than  to  the  front  ocellus;  eyes 
ovate,  villose. 

AiitenniB  inserted  on  a  tubercle  jnst  above  the  elypeus,  12-jointed  in 
both  sexes,  in  the  9  terminating  in  a  G-jointed  club,  funiclar  joints  3 
and  4  minute;  in  the  S  long,  filiform,  the  tia^ellar  joints  all  cylindrical, 
the  third  not  angulated. 

Maxillary  palpi  .'i-jointed. 

Mandibles  bifid,  the  teeth  equal. 

Thorax  subovoid,  the  mesonotum  without  furrows,  rarely  with  traces 
of  furrows  posteriorly;  scutellum  short,  semicircular,  with  a  punctate 
freiium ;  post  scutellum  produced  into  a  small  spine;  metathorax  short, 
the  angles  obtuse  or  acutely  produced. 

Wings  occasionally  wanting;  when  present  with  the  venation  as 
in  Tcleus. 

Abdomen  broadly  oval  or  oblong-oval,  the  first  segment  transverse, 
rarely  as  long  as  wide,  striated,  the  third  segment  very  large. 

Legs  as  in  Or  yon. 

Differs  from  Prosacantha  Nees  by  the  short  transverse  first  abdom- 
inal segment,  and  by  having  the  teeth  in  both  mandibles  equal;  and 
from  Gryon  Hal.  by  having  the  postscutellum  spined  or  tubercular. 

TABLE   OF   SPECIES. 

FEMALES. 

Wingless  species 3 

Wiiigeil. 
Wings  abbreviated,   narrowed,   when  folded  not  reaching  to  the  tip  of   the 

abdomen 2 

Wings  extending  to  or  beyond  the  tip  of  the  abdomen. 
Thorax  and  scutellum  closely  niinntoly  punctnlate. 
All  C()x;e  black. 
Legs  more  or  less  fuscous  or  brown. 
Anteuuie  wlndly  black  or  brown  black,  except  sometimes  the  scape  at 
base. 
First  an<i  second  abdominal  segments  striated. 
Third  abdominal  segment  finely  i>unctate. .  H.  loxgipkxnis,  sp.  iiov. 
Third  abdotninal  segment  polished,  inipunctate. 

Wings  hyaline;  hind  femora  and  tibiic  fuscous,  the  tarsi  pale. 

H.  MiNUTissLMtrs  Asliin. 
Wings  smoky;  all  tibiie  and  tarsi  fuscous,  the  femora  pale. 

H.  TIBIALI.S,  sp.  uov. 
Coxae  and  legs  yellow. 
Wings  hyaline;  scntellam  polished;  third  .abdominal  segment  smooth. 

l>olished H.  ci.arii'ennis,  sp.  nov. 

Wings  subhyaline;  scutellum  punctate;  third  abdominal  segment  puuc- 

t.ate H.  PTERinis,  sp.  nov. 

2.  Coxa>  and  legs  brownish-yellow. 

First  and  second  abdominal  segments  striated,  the  first  yellowish,  the  third 
smooth H.  BRACHVPTERUS  Ashni. 


202  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

3.  All  coxa-  Hack,  or  black  basiilly. 

Head  and  thorax  minutely  tlosely  pnnctulate,  the  faoo  striolatod. 
Legs  fuscous;  trochauters,  knees,  tips  of  tibia-,  and  tarsi,  yellow. 
Scape  not  pale  beneath;  third  alxloniinal  segment  ami  the  venter  smooth, 

shining,  inipunctured H.  ouscuhii'Ks,  sp.  uov. 

Legs  rufons. 

Scape  ])a]e  beneath;   third  abdominal  segment  distinctly  punctate,  tho 
venter  faintly  punctate H.  iufipks,  sji.  a)V. 

MALES. 

Wingless. 
Thorax  minutely  rugose,  punctate ;  vertex  finely  punctate,  the  face  striolated. 
Antenna'  very  long,  tiliform,  black;  legs,  except  coxse,  rufous. 

II.  soLiTAluus,  sp.  uov. 

Hoplogryon  longipennis,  sp.  no\'. 

(PI.  VIII,  Fig.  6,  9.) 

9  .  Length,  1""".  Black,  op.aque,  minutely,  closely  punctate,  with  a 
seri(\>ous  pubescence;  cheeks  flat  and  narrowed  back  of  the  upper  part 
of  the  eye;  the  fjice  shining,  the  lower  portion  and  around  the  mouth, 
striated.  Mandibles  pale.  Antenuie  12-3ointed,  black,  the  scape«pale 
beneath  toward  base;  first  and  second  tuniclar  joints  almost  equal, 
longer  than  the  pedicel  and  very  little  longer  than  thick;  third  and 
fourth  joints  minute,  transverse.  Post-scutellar  spine  acute.  Meta- 
thorax  with  acute  angles.  Legs  fuscous  or  brown,  the  trochanters, 
knees,  tips  of  tibiie,  and  tarsi  pale;  coxi^  black.  Wings  subhyaline, 
ciliated;  when  folded,  longer  than  the  abdomen.  Abdomen  broadly 
oval,  narrowed  at  base;  first  segment  a  little  wider  than  long;  it,  as 
well  as  the  second,  striated;  third  segment  faintly  microscopically 
punctate,  but  shining. 

Habitat.— Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

Described  from  2  specimens  received  from  Mr.  W.  H.  Harrington. 

Hoplogryon  minutdsBimus,  Asbm. 
Proaacantha  minuthsima  Ashm.,  Eut.  Am.,  iii,  p.  117,  9  • 

9 .  Length,  0.75""".  Black,  subopaque,  closely,  microscopically punc- 
tulate;  face  smooth,  shining,  with  some  strije  only  between  the  eye  and 
the  mandibles.  Mandibles  brownish.  Antennte  12-jointed,  black;  the 
first  and  second  funiclar  joints  subequal,  a  little  longer  than  thick ;  third 
and  fourth,  minute,  transverse.  Post  scutellar  spine  small,  but  acute. 
Angles  of  metathorax  not  acute.  Legs  brown  or  fuscous,  the  trochan- 
ters, knees,  tips  of  tibiiv,  aniv  t'a  tarsi  pale;  coxae  black.  Wings  sub- 
hyalhie,  fringed;  when  folded  scarcely  extending  beyond  the  tip  of  the 
abdomen.  Abdomen  broadly  oval,  polished,  impunctured,  the  first  and 
second  segments  striated. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     203 

Allied  to  //.  longipennis,  but  smaller,  more  sliiiiinj;,  tlie  puuctation 
liner,  the  wings  shorter,  the  angles  of  the  metathorax  not  acutely 
toothed,  while  the  abdomen,  except  the  first  two  segments,  is  impune. 
tared,  the  first  segment  being  much  wider  than  long. 

Hoplogryou  tibialis,  sp.  nov. 

9.  Length,  1.20"".  Black,  subopaque,  very  closely,  minutely  punc- 
tate; face  smooth,  polished,  with  some  faint  strite  on  either  side  the 
antennte.  Mandibles  pale  rufous,  the  teeth  black.  Antenna;  12- 
jointed,  black;  first  and  second  Joints  about  equal,  fully  twice  as  long 
as  thick;  third  and  fourth  minute,  transverse,  i  ost-scutellar  spine 
acute.  Angles  of  metathorax  acute.  Legs  yellow,  the  coxib  black, 
while  all  the  tibia?  and  tarsi  are  fuscous.  Wings  smoky,  with  short 
cilia.  Abdomen  oval,  much  narrowed  at  base,  highly  polished,  black ; 
the  first  segment,  and  the  second  at  base  and  at  the  middle,  striated; 
the  first  segment  is  as  long  as  wide. 

Habitat. — Virginia. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  O.  Heidemann. 

This  species  is  quite  distinct  from  the  others  by  the  length  of  the 

first  and  second  funiclar  joints,  smoky  wings,  and  the  color  of  the  legs. 

Hoplogryon  claripennis,  sp.  nov. 

2.  Length,  1.20'""'.  Black,  shining;  head  transverse,  polished, 
with  some  faint  stria;  below  the  eyes;  thorax  faintly  puuctulate, 
the  scutellum  polished,  impnnctured;  mandibles  piceous.  Antenna; 
12-jointed,  black ;  the  scape  at  base  and  the  pedicel  at  tip,  pale;  first 
and  second  funiclar  joints  nearly  equal,  the  first  more  than  twice  as  long 
as  thick;*  third  and  fourth  small,  subquadrate.  Post-scutellar  spine, 
oblique,  acute.  Metathoracic  angles  produced  into  acute  spines.  Legs, 
including  coxse,  brownish-yellow.  Wings  hj'aliue,  scarcely  tinged. 
Abdomen  oblong  oval,  narrowed  at  base  and  highly  polished,  the  first 
and  second  segments  coarsely  striated,  the  first  nearly  as  long  as  wide. 

Habitat. — Virginia. 

Type  in  Coll.  Ashmead.  '  '  • 

This  pretty  species  was  given  to  me  by  my  friend  Mr.  O.  Heidemann. 
Its  shining  surface,  less  distinctly  punctured  thorax,  highly  polished 
scutellum,  and  the  length  of  the  funiclar  joints  readily  distinguish  it. 

Hoplogryon  pteridis,  sp.  nov. 

9 .  Length,  0.80""".  Black,  subopa(iue,  closely  microscopically 
punctulate;  fiice  smooth,  polished;  mandibles  yellowish.  Antenna; 
12  jointed,  black;  first  and  second  funitiar  joints  equal,  scarcely  longer 
than  thick  and  very  little  longer  than  the  pedicel ;  third  and  fourth 
minute,  transverse.     Post-scutellar  spine  distinct,  acute.     Angles  of 


204  BULLETIN    45,  UNITED    STATES   NATIONAL    MUSEIM. 

iiietiitborax  siibiicute.  Legs,  incliKliug  tlie  coxa*,  yellow,  tlic  ijosterinr 
l»air  slightly  dusky  at  base.  Wings  snhliyaliue,  wlicii  folded,  not  or 
scarcely  longer  than  tbe  abdomen  and  somewhat  narrowed.  Abdomen 
rotund,  oval,  polished,  widened  from  the  baseof  tlie  first  segment;  lirst 
and  second  segment  at  base  striated,  the  first,  twice  as  wide  as  long. 

Habitat.— Fortress  Monroe.  Va.,  and  District  of  Cohnnbia. 

Types  in  Coll.  Ashniead. 

This  si)ecies  was  taken  by  ^Nlr.  E.  A.  Schwarz,  at  Fortress  Monroe, 
The  color  of  the  legs  and  the  shape  of  tiie  abdomen  and  wings,  readily 
separate  the  species  from  all  the  others, 

Hoplogryon  brachypterus  Ashm. 

Prosacantha  hrachypUrn  Ashm.,  Ciiii.  Ent.,  xx,  p.  50. 

9  .  Length,  0.75  to  0.80'""'.  Black,  subopaque,  closely  microscopi- 
cally punctulate;  the  head  jwlished,  shining,  the  face  having  a  delicate 
central  line  below  the  front  ocellus;  mandibles  pale;  legs  brownish- 
yellow,  reddish,  brownish  or  fuscous,  with  the  distal  ends  of  femora 
and  tibiie  and  the  tarsi,  yellow  or  pale.  Antenna'  12-jointed,  black  or 
brown-black;  first  and  second  funiclar  joints  subequal,  a  little  longer 
than  thick;  third  and  fourth,  very  minute.  Post-scutellar  sjjine 
minute.  Angles  of  metathorax  not  toothed.  Wings  subhyaline,  much 
narrowed  and  shortened,  when  folded  reachir.g  scarcely  beyond  the 
middle  of  the  abdomen,  imbescent,  but  not  distinctly  fringed.  Abdo- 
men broadly  oval,  highly  polished,  black,  the  first  segment  wider  than 
long,  yellowish  and  striated. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

For  several  specimens  of  this  highly  interesting  species,*!  am  in- 
debted to  Mr.  W.  H.  Harrington.  The  abbreviated,  narrowed,  non- 
ciliated  wings  and  the  yellow  petiole  distinguish  the  species. 

Hoplogryon  obscuripes,  sp.  nov. 

9 .  Length,  0.80""".  Black,  opaqne,  closely,  minutely  punctulate, 
covered  with  a  fine  sericeous  pubescence;  the  face  shining,  striolated. 
Mandibles  pale  brown.  Antenuai  12-iointed,  brown  black;  first  and 
second  funiclar  Joints  subequal,  the  first  abcmt  one  and  a  half  times  as 
long  as  thick;  third  an<l  fourth  minute,  transverse.  Post-scutellar 
spine  minute  but  acute.  Metathoracic  angles  obtuse.  Wings  entirely 
wanting.  Legs  fuscous,  the  coxte  black  or  dusky  basally,  the  trochan- 
ters, knees,  tips  of  tibi*,  and  tarsi,  yellowish.  Abdomen  oval,  polished, 
the  first  segment  transverse,  twice  as  wide  as  long,  striated,  the  sec- 
ond striated  only  at  the  basal  suture,  the  venter  impunctate. 

HABITAT. — Ottawa,  Canada. 

Types  in  Coll.  Ashmea<l. 

Described  from  two  specimens  received  from  Mr.  W.  H.  Harrington. 


MONOOKAPH  OF  TEE  NORTH  AMERICAN  PROCTOTRYPID.E.     205 
Hoplogryon  ruilpes,  sp.  nov. 

9  .  Leng^tli,  0.80^".  Black,  subopiuiue,  microscopically  pniictnlatc, 
tJM'  face  striolatc.  Mandibles  pale.  Aiitemia!  ll? Jointed,  black,  the 
scape  pale  beneath;  lirst  and  second  fiiniclar  joints  equal,  li  tiines  as 
lonfi  as  thick;  third  and  fourth  niin ate,  transverse.  Post  scutellar 
spine  minute,  trianj^ular.  Anjjles  of  metathorax  acute.  \Vin.i!:s  want- 
inj;.  Legs  rufous,  the  tarsi  yellowish.  Abdomen  broadly  oval,  shin 
iu'^-,  the  first  and  second  segments  transverse,  longitudinally  striated; 
the  third  and  the  venter  microscopically  puuctate. 

llAHiTAT.— District  of  Columbia. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  speciinen  collected  by  Mr.  E.  A.  Schwarz. 
The  color  of  the  legs  and  the  tine  puuctation  of  the  third  dorsal  seg- 
ment and  the  venter  distinguish  the  species. 

Hoplogryon  solitarius,  sp.  uov. 

S.  Length,  1.5"'".  Black,  subopaciue,  closely,  minutely  punctulate; 
head  wide,  3^  times  as  wide  as  thick  antero-posteriorly,  the  cheeks 
rounded,  margined  behind,  tiie  face  smooth,  the  orbits  and  around  the 
mouth  striated.  Mandibles  rufous.  Antenna- 12  jointed,  filiform,  nuich 
longer  than  the  body,  black,  the  scape  pale  basally;  first  flagellar  joint 
about  half  the  length  of  the  scape;  second,  very  slightly  longer  than 
the«tlrst;  third  to  the  penultimate,  nearly  of  an  equal  length,  but 
slightly  shorter  than  the  first;  last  joint  slightly  longer.  Scutellum 
smoother  than  the  thorax,  sliining.  Post-scutellar  spine  acute.  Angles 
of  metathorax  acutely  toothed.  Wings  wanting.  Legs,  except  coxie, 
uniformly  rufous.  Abdomen  oblong-oval,  i)olished,  very  little  longer 
than  the  head  and  thorax  united,  the  first  segment  transverse,  much 
broader  than  long,  the  second  a  little  longer  than  the  first,  both  coarsely 
striated. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  W.  H.  Harring- 
ton. 

On  account  of  the  very  large  size  of  this  species,  in  comparison  with 
the  described  wingless  females,  it  is  scarcely  probable  that  it  can  be 
the  opposite  sex  of  any  of  them. 

GRYON  Haliday. 

Ent.  Mag.,  i,  p.  271  (1833);  Fiirst.  Hym.  Stud.,  ii,  p.  101  (1856). 
(Type  (I.  misclIvH  Hal.) 

Head  large,  transverse,  the  occiput  scarcely  enmrginated;  ocelli  3, 
triangularly  arranged,  close  together  on  vertex;  eyes  ovate,  villose. 


206  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

Antennsc  12. jointed  in  both  sexes;  in  9  clovate,  tlic  clnb  large,  6- 
joint(  J,  the  last  two  lunirlar  joints  minute;  in  S  liliforni. 

Maxilhir^v  palpi  .'i-Jointed. 

Mandibles  bifid,  the  teeth  equal. 

Thorax  short,  subovoid,  the  piothorax  not  at  all  visible  from  above; 
the  iiiesonotum  more  thau  t\vi<-c  as  wide  as  long,  without  furrows; 
scutelluni  short,  transverse;  postseutellum  not  si)iiied,  simple;  meta- 
thorax  very  short,  the  angles  subaeute  or  acute. 

Wings  most  fre([uently  wanting,  when  present  with  the  venation  as 
in  Tdeas,  the  nuirginal  vein  rarely  more  thau  4  times  as  long  as  the 
stigmal. 

Abdomen  broadly  oval,  the  first  and  second  segments  short,  trans- 
verse, of  nearly  an  equal  length,  usually  striated,  the  third  very  large, 
but  broader  than  long. 

Legs  as  in  rromctintha,  the  tibial  spurs  weak,  the  basal  joint  of  hinu. 
tarsi  a  little  more  than  thrice  as  long  as  the  second. 

Closely  allied  to  rrosacantha  and  Hoplogryon,  but  separated  from  both 
by  the  siniple,  not  ainneiJ,  postseutellum. 

Dr.  Forster's  description  of  this  genus  in  the  Ilym.  Stud,  is  scarcely 
correct  and  very  misleading.  I  have  recognized  the  genus  by  Walker's 
figure  of  the  nnile  in  Ent.  Mag.,  Vol.  m,  Pi.  xiii.  Fig.  5,  which  plainly 
shows  its  relation  to  Prosavantha,  but  is  distinct  in  having  the  post- 
seutellum simple,  not  spined,  and  the  basal  abdominal  segment  much 
broader  than  long,  not  i)eiioliform. 

TABLE  OF  SPECIES. 

fkmai.es. 

Wingless  species 2 

Winged. 

Head  and  thorax  lincly  pnuctulate;  metathoracic  angles  obtnse. 
Mesonotnni  with  traces  of  fnrrows  posteriorly. 

Coxa>  and  legs  yellow G.  fumipknnis,  sp.  nov. 

2.  Head  and  thorax  iincly,  closely  puuctulato,  siibopaque,  the  lower  part  of  face 
with  striic  converging  toward  the  month. 
All  cox»  hliick;  lirst  and  second  abdominal  segments  striated. 
Metathoracic  angles  obtuse  or  snbacnte. 
Legs  pale  rufoii.s  or  brownish-yellow;  abdomen  shining,  bnt  microscopic- 
ally pnnctato G.  boreai.is  Ashm. 

Legs  fascons.  the  trochanters,  knees,  and  tarsi  yellow;  abdomen  polished, 

iinpunctati> G.  canadensis  Ashm. 

MetatUoracic  angles  acnte. 
Legs  ^^ro"'nish-yellow;  abdomen,  above  and  beneath,  pnnetate,  subopaque. 

G.  COLUMBIANUS,  sp.  nov. 
All  coxt-B  pale ;  metathoracic  angles  obtuse. 
Legs  pale  yellow ;  abdomen  smooth  shining G.  flavipes,  sp.  nov. 

Oryon  fumipennis,  sp.  nov. 

5.  Length,  1.40'"'".  Black,  shining,  minutely  puncto.late;  face 
smooth,  polished,  with  faint  striae  at  the  mouth;  mandibles  and  legs 

f 


MONOGHAPH  OF  THE  NORTH  AMERFCAN  PROCTOTRYPID.E.     207 

yellow.  Aiitennu'  12-Jouited,  black,  tlio  scape  yellowisli  toward  the 
base;  first  two  funiclar  joints  equal,  about  twice  as  loiijj  as  the  ])edicel; 
third  and  fourth,  njiiiute,  transverse.  Mesonotuni  with  traces  of  the 
parai)sidal  furrows  posteriorly.  Scutelluni  smoother  than  the  mesono- 
turn,  but  still  slightly  punctate.  Metathorax  laterally  above  and  the 
nietapleura  i)olished,  the  angles  obtuse.  Wings  smoky-hyaline,  paler 
at  base.  Abdomen  oval,  smooth,  polished,  the  lirst  and  second  seg- 
ments striated. 

IlAKiTAT. — District  of  Columbia. 

Type  in  Coll.  Ashmead. 

Described  from  one  specimen  received  from  Mr.  E.  A.  Schwarz. 

G-ryon  borealis  AKhiii. 
(PI.  VIII,  Fig.  7,  9.) 

Aeolus  borealis  Ashm.,  Can.  Ent.,  xx,  p.  50. 

9.  Length,  I""".  Apterous;  black,  subopaque, closely  microscopic- 
ally punctate  and  with  a  fine  sericeous  pubescence;  lower  part  of  face 
striated.  Mandibles  pale.  Metathorax  with  the  angles  subacute. 
Antenna^  12-jointed,  black  or  brown-black;  first  funiclar  .joint  longer 
and  thicker  than  the  ])edicel;  second  one-third  shorter  than  the  first; 
third  and  fourth  minute,  transverse.  Legs  pale  rufous  or  brownish- 
yellow,  the  coxie  black.  Abdomen  oval,  microscopically  punctate,  but 
shining,  the  first  and  second  segments  striated. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

Described  from  four  specimens  received  from  Mr.  W.  H.  Harrington. 

Gryon  canadensis  Ashm. 

Aeolus  tanad-'nsis  Ashm.,  Can.  Ent.,  xx,  p.  50. 
9.  Length, 0.60""".  Apterous;  black,  subopaque,  closely,  minutely 
l)unctulate  and  pubescent;  face  polished,  with  stride  at  base.  Man- 
dibles pale  rufous.  Antenna;  12-jointed,  black,  the  scape  pale  at  base; 
first  and  second  funiclar  joints  very  little  longer  than  thick,  the  second 
slightly  the  smaller;  third  and  fourth  minute,  transverse;  club  very 
large,  the  joints  close  set,  transverse.  Scutellum  small,  sublunate, 
shining.  Metathorax  short,  narrowed  posteriorly,  the  angles  not  at  all 
prominent.  Legs  fuscous,  the  trochanters,  knees,  and  tarsi,  honey- 
yellow.  Abdomen  rotund-oval,  smooth,  shining,  impunctate,  the  first 
and  second  segment  very  short,  transverse,  striolate,  the  second  with 
a  fringe  of  glittering  hairs  at  apex. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

Described  from  four  specimens  received  from  Mr.  W.  H.  Harrington. 
Allied  to  G.  borealis,  but  smaller,  the  legs  diflferently  colored,  the  meta- 
thoracic  angles  not  at  all  jirominent,  while  the  abdomen  is  polished, 
imi)unctate. 


208  BULLETIN    45,  UNITED    STATES    NATIONAL    MUSEUM. 

Oryon  columbianus,  hi>.  nuv. 

9.  I^t'iifjtli,  1.10'""'.  Siibrobiist,  bliU'k,  opaquo,  closoly,  tnltmtcly 
pUTH'tuIate;  lirad  li-ansversr,  wider  tliaii  thorax,  tlic  ant«'ri<>r  orbits, 
broadly,  and  tlu'  cliorks,  striated ;  mandibles  pale  rtitbns ;  seape  ami  lejjs, 
except  c«»xa*,  brownish-yellow  or  pale  rnfons;  Haj^cllmn  brown-blaek. 
Antenna' 12-Jointed,  not  (piite  as  loii};' as  the  body;  first  and  second 
inniclar  Joints  abont  ecpial,  twice  as  lon<«-  as  the  pedic«'l;  third  and 
fonrth  minnte,  annular;  club  a  little  lonjjer  than  the  pedicel  and 
funicle  united,  rather  stout,  the  joints  tranverse  iiuadrate.  Anjiles 
of  nu'tathorax  acute;  post  soutellar  rid^e  eniarginated  at  the  middle. 
Abd(mien  bioadly  oval,  closely  punctate,  subopacpu',  seiiceous,  the  first 
and  secoiul  sej;inents  with  coarse  stria^  the  apical  margin  of  the  sec- 
ond smcjoth,  polished;  first  and  second  ventral  sej^nients  striated,  the 
third  an«l  followinj;  piuictate. 

IlAiJiTAT. — District  of  Columbia. 
Types  in  Coll.  Ashmead. 

Describe»l  from  several  specimens. 

Gryon  flavipes,  sp.  iiov. 

9.  Len}ith,0.(JO'"'".  Black,  shining,  finely  punctulate;  face  smooth, 
polished;  legs  i)ale  yellow ;  metathorax  with  obtuse  angl's.  Autennai 
lli  jointed,  brown-black,  the  s(!ape,  beneath,  toward  base,  pale;  first 
funiclar  joint  a  little  longer  than  the  pedicel;  second  shorter  than  the 
first,  not  longer  than  thick;  third  and  fourth,  minute,  transverse.  Ab- 
domen rotuiul-oval,  smooth,  shining,  the  first  segment  and  the  second 
at  the  suture,  striated;  venter  piceous. 

Habitat  — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  speciwien  received  from  Mr.  W.  II.  Harring- 
ton. Differs  from  the  other  species  in  the  smootliness  of  the  face,  paler 
legs,  smoothness  and  sculpture  of  the  abdomen,  and  the  color  of  the 
venter. 

^        Tribe  IV. — Scelioninl      •  ^ 

A  tribe  allied  to  the  Teleasini  and  always  with  the  abdomen  dis- 
tinctly carinated  along  the  sides;  but,  except  in  a  few  genera,  the  abdo- 
men is  much  more  elongated,  being  pointed  or  fusiform,  rarely  oval, 
and  extends  beyond  the  tips  of  the  wings  when  folded,  the  third  seg- 
ment the  longest,  or  the  second  and  third  are  about  equal  in  length. 
The  venation,  however,  is  quite  distinct;  the  postmargiual  uervure, 
except  in  a  few  cases,  is  fully  developed  and  usually  longer  than  the 
marginal,  while  the  stigmal  is  never  very  short.  When  the  postmar- 
ginal  nervure  is  absent  the  submarginal  terminates  in  a  stigma 
{Bceoneura  and  Scelio). 


MONOORAPn  OF  THE  NORTH  AMKRK'AN  PROCTOTRYPID.E.     209 

The  i)iira.siti.sm  of  many  of  the  genera,  is  known,  all  being  iJaraaites 
in  the  eggs  of  various  insects,  but  princip;illy  in  those  belonging  to  the 
On  hoptera  and  Ilemiptera.  linrvcotmH  nud  Cacun  attack  the  eggs  of 
the  White  Tree-crickets,  Occanthns  nireioi,  etc.;  Macroteleia,  those  of 
Orchi'Umum;  Scelio,  various  Locusta  or  Grasshoi)pers,  DisnoHtdra, 
Caloptenus  and  Avridium;  while  Hadronotux,  a  genus  easily  mistaken 
for  I'elenomus,  is  parasitic  on  ditterent  Heteroptera-Hemiptera,  belong- 
ing to  the  families  Coreidse,  i'yrrhocoridne  and  Reduviidie. 

It  is  believed  the  genera  can  be  readily  separated  by  the  aid  of  the 
following  table: 

TABLE  OF  GENERA. 
FEMALES. 

Postinargiual  vein  wanting  or  never  greatly  developed,  always  shorter  than  the 
stignial  vein,  tin;  siibniargiunl  vein  oft<ii  nt^vcr  reaching  the  costa 

and  terminating  in  a  large  stigma,  the  abdomen  long,  fn«iform 4 

Postmarginal  vein  always  greatly  lengthened,  the  aubmargiual  never  terminat- 
ing in  a  stigma. 

Basal  vein  wanting 3 

Basal  vein  present. 

First  abdominal  segment  without  a  horn  at  base 2 

First  abdominal  segment  with  a  horn  at  base. 
Marginal  vein  short;  abdomen  long,  pointed,  fusiform,  the  first  segment 
narrow,  petioliform,  the  second  and  third  segments  nearly  equal. 

Caloteleia  Westw. 
Marginal  vein  long;  abdomen  long,  linear  or  subfnsiform,  the  first  segment 

quadrate  or  subquadrate Baryconvs  Forst. 

2.  Abdomen  long,  pointed  fusiform  or  linear,  segments  2,  3,  and  4  nearly  equal. 
Mesouotum  with  2  furrows. 
Metascutellnm  without  a  spine. 
Metanotum  with  no  inclosed  space  at  base. 
Marginal  vein  about  twice  the  length  of  the  stigmal. 

Mandibles  3-d<'ntate Macroteleia  Westw. 

Mandibles  2-dentate Calliscelio,  gen.  nov. 

Marginal  vein  very  short. 
Metanotum  with  a  large,  semicircular  inclosed  space  at  base. 

Marginal  vein  punctiform  Chromoteleia,  gen.  nov. 

Abdomen  oblong-oval  or  fusiform,  but  not  especially  lengthened. 
Metascutellnm  spined. 
Mesonotum  with  2  furrows. 
Miindibles  2-dentate ;  abdominal  segments  1  and  2  equal  in  length,  the  3d 

longer Opisthacantua,  gen.  nov. 

Mesonotum  without  furrows. 
Mandibles  2-dentate;  abdominal  segments  1  and  2  equal  in  length,  the 

3d  longer (Opisthacantha). 

Mandibles  3-dcntate;  segments  2  and  3  equal  in  length,  the  Ist  shorter. 

Lapitiia,  gen.  nov. 
Metast'utcllum  not  spined,  simple. 
Marginal  vein  short,  or  not  more  than  half  the  length  of  the  stigmal,  most 
frcrjuently  punctiform. 
Mesonotum  without  furrows. 
Head  quadrate,  mandibles  3-dentate Cacus  Riley. 

21899— No.  45 14 


210  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

Mononotnm  with  two  furrows. 

Antcniiio  with  5  or  (ijoiuti'tl  cliih Antkris  Foiuter. 

Antenna*  filifonn,  without  a  club ArEOt'H  Fiirster. 

3.  M»'H()ii()tnni  with  thrt'f  distinct  furrows. 

Mftascuti'lluin  with  2er«'ct  teeth lIori.oTEi.EiA,  ^en.  nov. 

Mesoiuititnt  with  2  furrowH. 

Aixlouien  very  Ion;?,  fusiform. 

Mt'tathorax  uniinued;  mandibles  3-dputate Macrotkl?:ia  Westw. 

Mctathorax  with  2  teeth  (mandibles  H-dtntato) Caci'8  Riloy 

Abilonicn  not  very  long,  ovate  or  oblong-oval. 

Metathorax  unarmed;  mandibles  2-deutate Anteris  Fiirster. 

Meaouotuin  without  furrows. 

Meta.seutellum  spined (Opi.itiiacantiia). 

Metascutelluni  simple. 

Abdon,en  with  a  horn  at  base  \  JJ^Sl'^-'^!  T"'  f  "'^ ^.^^'f  "'^J-'t!' 

(  Marginal  vein  long (Barvconus). 

Abdomen  without  a  hjrn  at  base. 

Abdomen  long,  fu.iifonn;  mandibles  2-dentate. 

Abdominal  segments  normal;  antounal  club  6- jointed.. Caci'S  Riley. 

Abdominal  segments  strongly   constricted;  antounal   club  oval,   5- 

joiuted Cremastohakts,  gen.  nov. 

Abdomen  broadly  oval,  sessile,  the  second  segment  usually  a  little  the 

largest HadronoTIs  P'iirster. 

4.  Submarginal  vein  not  reaching  the  costa,  knobbed. 

Wings  narrow,  fringed;  abdomen  much  depressed,  long  and  pointed. 

B.EOXEURA  Forst. 
Submarginal  vein  reaching  the  costa  often  by  a  thickened  stigma. 
Submarginal  vein  not  terminating  in  a  thickened  stigma. 
Marginal  vein  very  short,  the  postmargiual  scarcely  developed  or  shorter 
than  the  stigmal. 

Mesonotuni  with  2  furrows Idris  Fiirster. 

Submarginal  vein  terminating  in  a  thickened  stigma. 

Head  w  ithout  a  frontal  lamina  or  ledge ;  postmargiual  vein  never  developed . .  5 
Head  with  a  frontal  lamina  or  ledge. 
ScntellnuKiuadrate,  the  posterior  angles  acute;  postscutellum  with  a  largo 

erect  spine Acanthuscelkj,  gen.  nov. 

Scutellum  and  postscutellum  simple,  not  spined Sparasion  Jurine. 

5.  Mesonotuni  without  furrows,  or  very  rarely  with  2  distinct  furrows. 

Maxillary  palpi  short,  3-jointed SCELIO  Latreille. 

Mesonotum  with  2  distinct  furrows. 
Maxillary  palpi  long,  5-jointed Sceliomorpha,  gen.  uov. 

MALES. 

Postmarginal  vein  wanting  or  never  greatly  developed,  always  shorter  than  the 

stigmal  vein,  the  submarginal  vein  often  never  attaining  the  costa 

and  terminating  in  a  large  stigma,  the  abdomen  long-fusiform. . .  5 

Postmarginal   vein  always  greatly  lengthened,  the  submarginal  vein  reaching 

the  costa  and  never  terminating  in  a  stigma. 

Basal  nervure  wantfng 4 

Basal  nervure  present. 

Mesonotum  without  furrows 3 

Mesonotnin  with  2  furrows. 
Metathorax  with  no  inclosed  space  at  base. 
Metascntellum  not  spined. 
Marginal  vein  pnnotiform  or  never  longer  than  the  stigmal. 

Mandibles  3-deutate Cai.otkleia  Westw. 

Mandibles  2-dentate Anteris  Fiirster. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PUOL'TOTItYl'ID.E.  211 

Mar;:iiial  vein  Idiik'T  tliiiu  the  stiKHiiil. 
Muinlil>loM  H-tlcntaio. 
Fii'Ht  ila<;i'li!ir  joint  Hcarcvly  longer  tliuii  tlirtliinl,  tlie  tliinlexcitwd 

MACnOTKI.KIA  WoHtW. 

First  liii<;cllur  Joint  much  lon<^c  ■  thiin  tlic  third. 

IJAUYCoNirH  Forstt-r. 

Mt'taMciitollnm  Hpinetl OrisTiiA<'A\TiiA  AHhm.,  gcu.  uov. 

Mtituthorax  with  a  laii;c  m-niiciniilar  incloHcd  spac*'  at  haso. 
Marginal  vein  pnnetit'urni;  luundiblca  3-deutato. 

CiiKOMoTKi.KiA,  gen.  nov. 

3.  MftaHcntelluni  not  spincd. 

Marginal  vein  pnnciiforui  or  never  im  long  iiH  the  dtigniul. 
Mandibles  3-dentate. 

First  llajieilar  joint  very  long Calotelkia  Westw. 

First  llagcllar  Joint  sliorter  than  secoiul Cacus  Riley. 

Marginal  vein  long,  always  longer  than  the  tstigmal. 

Mandibles  3-dcntate Uaryconus  FOrster. 

Metascutellum  spined. 
Marginal  voi't  longer  than  thestignial;  mandibles 3-»lentato..LAPiTiiA,  gen.  uov. 
Marginal  vein  shorter  than  the  stiguial ;  mandibles  2-dentate. 

OrisTiiACANTiiA  Ashoi.,  gen.  uov. 

4.  Mesonotnni  with  three  distinct  furrows. 

Metascutellum  armed  with  2  teeth;  tip  of  abdomen  ending  in  two  short  prongs. 

HorLoTKLEiA  Ashm.,  gen.  uov. 
Mescmotnm  with  two  furrows. 

Metathorax  unarmed;  mandibles  3  dentate (MAcnoTEi.EiA). 

Metatiiorax  with  U small  teeth;  mandibles  2-dentate (Cacus  Riley). 

Mesonotum  without  furrows. 

Metascutellum  with  a  small  acute  spiue Oiusthacantiia  Ashm.,  gcu.  uov. 

Motascutelluin  8inii)le. 

Metanotum  with  2  small  teeth  at  ai)ex. 

Mandibles  2-dentate Cacus. 

Metanotum  unarmed,  simple. 
Abdominal  segments  strongly  constricted. 

Antenn;e  subclavate Cremastob.eus,  gen.  nov. 

Abdominal  segments  nornuil. 
Antenuie  filiform,  submoniliforui Haduonotus  Forster. 

5.  Snbmarginal  vein  not  reaching  the  costa,  knobbed B.eoneura  Forst. 

Submarginal  vein  reaching  the  costa. 

.Submarginal  vein  not  terminating  in  a  stigma. 
Marginal  vein  very  short,  the  postmarginal  scarcely  developed  or  shorter 
than  the  stigmal. 

Mesonotum  with  2  furrows Idkis  Forster. 

Submarginal  vein  terminating  in  a  thickened  stigma. 
Head  without  a  frontal  ledge  or  lamina;  postmarginal  vein  not  developed.  6 
Head  with  a  frontal  lamina  or  ledge. 
Scutellum  (juadrate,  the  angles  acute ;  the  postscutellum  spined. 

AcANTiioscELio,  gen.  nov. 
Scutellum  and  postscutellum  normal Sparasion  Jurine. 

6.  Mesonotum  with  2  furrows. 

Maxillary  i>alpi  long,  .5-Jointed;  antenna' long,  setaceous,  12-jointed. 

ScEiiOMORPHA,  gen.  nov. 
Mesonotum  wiihout  furrows,  or  rarely  distinct. 
Maxillary  palpi  short,  3-jointed;  antenn:e  short,  fusiforn,  10-jointed. 

ScELio  Latreille. 


212  BULLETIN  45,  UNITED    STATES   NATIONAL    MUSEUM. 

CALOTELEIA   Wtstwood. 
Traus.  Loml.  Ent.  Soc,  ii,  p.  ~h>,  I'l.  7.  f.  10. 
(Type  C.  nitrantia  Westw.  j 

Head  tiiiiisverso,  sulxiiiadrate,  the  frous  convex,  the  occiput  rouud- 
edly  emargiiiated ;  ocelli  3  in  a  triangle,  the  lateral  close  to  the  eye; 
eyes  large,  oval,  bare  or  faiutly  T>uhescei)t. 

Antennie  inserted  just  above  the  clypens,  12-Jointed  in  botli  sexes; 
in  9  clavate,  the  club  5-  or  <»  Jointed,  the  last  two  funiclar  Joints  usually 
transverse  or  quadrate;  in  c?  liliforni,  long;  tiie  flagellar  Joints  long, 
cylindrical. 

Mandibles  3-dentate. 

Maxillary  palpi  4  Jointed;  labial  palpi  3-Jointed. 

Thorax  ovate,  the  prothorax  scarcely  visible  from  above,  except  at 
the  lateral  corners;  niesonotum  usually  entirely  without  furrows, 
although  occasionally  with  2  distinct  furrows;  scutellum  semicircular; 
metathorax  emargiuate  and  carinated  along  the  sides. 

Front  wings  with  the  nuirginal  vein  short,  punctiform  or  rarely  half 
the  length  of  the  stigmal ;  the  stigmal  vein  oblique,  and  usually  end- 
ing in  a  little  knob;  postmarginal  vein  very  long,  basal  vein  distinct, 
rarely  entirely  absent. 

Abdomen  long,  fusiform,  pointed  at  tip  and  narrowed  at  base;  the 
basal  segment  in  the  'i  with  a  horn  extended  forw.ard  over  the  meta- 
thorax. 

Legs  rather  long,  the  femora  and  tibial  subclavate;  the  tibial  spurs 

1,  1, 1,  the  middle  and  hind  pairs  rather  weak;  tarsi  long,  the  basal 
Joint  several  times  longer  than  the  second;  claws  simple. 

This  genus  was  originally  described  by  Prof.  Westwood,  from  a  sin- 
gle specimen  found  embedded  in  Gum  anime,  in  the  collection  of  Rev. 
F.  W.  Hope.  The  genus  is  not  rare  in  South  America  and  the  West 
Indies,  and  five  species  have  been  discovered  in  our  fauna. 

It  is  closely  allied  to  Barycon  «,v  Forster :  but  the  marginal  nervure 
is  usually  punctiform,  or  at  least  very  short,  and  the  i)etiole  is  longer 
and  more  slender. 

TABLE   OF   SPECIES. 

Body  palo 2 

Body  black. 

Coxa^  l)laclv,  legs  rufous  or  hrowuish-yellmv. 

Three  basal  abdominal  segments  longitudinally  Htriatod,  the  following  smooth, 

polished C.  striata,  sp.  nov. 

Two  basal  abdominal  segments  stiiatcd;  first  and  second  fnniclar  joints  very 
long,  slender;  third  and  fourth  stouter,  the  third  longer  than  thick; 
the  fourth  quadrate C.  nEiDKMAXNii,  sp.  nov. 

2.  Brownish-yellow. 

Head  pale,  coucohtrous  with  the  rest  of  tho  body. 

Abdomen  banded  with  black  or  fuscous C.  cixctivknthis  Ashm. 

Abdomen  not  banded;  apex  of  horn  and  tip  i>f  abdomen  black  or  fnscons. 

('.  iMiutici.AVA  Ashm. 
Head  black  or  fuucouH C.  marlattii,  sp.  nov. 


MONOGUAPII  or  THE  NOUTH  AMERICAN  PROCTOTRYPIDiE.     213 
Caloteleia  striata,  sp.  nov. 

9.  Length,  2.0""".  Black,  lustrous,  rather  closely  punctate;  head 
quadrate,  with  a  polished,  iinpuuctate  spot  on  the  frons.  Antennae 
12-Jointed,  brown,  the  base  and  tip  of  scape  and  the  tip  of  i)edicel, 
yellowish;  pedicel  rather  long;  lirst  funiclar  Joint  slightly  longer  and 
slenderer  than  the  pedicel;  second,  about  half  the  length  of  the  first 
and  a  little  stouter;  third  and  fourth,  transverse;  club  G-jointed,  all 
the  joints  transverse.  Thorax  without  furrows.  Legs  rufous,  the 
coxte  black.  Wings  hyaline,  the  venation  brown;  there  is  a  distinct 
basal  vein;  the  marginal  is  very  short,  about  one-third  the  length  of 
the  stigmal,  while  the  stignial  ends  in  a  small  knob,  the  postmarginal 
being  very  long.  Abdomen  long,  x>ointed,  fusiform,  about  thrice  the 
length  of  tlie  thorax,  the  basal  segment  with  a  distinct  blunt  horn  at 
base,  and  it  as  well  as  the  second  and  third  segments  are  distinctly 
longitudinally  striated;  all  the  following  segments  are  smooth,  shining. 

Habitat. — Washington,  D.  C. 

Type  in  National  Museum. 

Described  from  a  single  specimen. 

Caloteleia  Heidemaunii,  sp.  uov. 

(PI.  IX,  Fig.  1,  9.) 

9 .  Length,  2.4™"'.  Elongate,  slender,  black,  shining,  punctate; 
head  subquadrate;  mandibles  and  palpi  yeHow;  legs  rufous,  the  tro- 
chanters, knees,  tips  of  tibia'  and  tarsi  yellow,  the  cox?e  black,  shin- 
ing, impunctnred.  Anteniue  12-Jointed,  piceous,  the  tips  of  the  scape, 
pedicel,  and  funi(;lar  Joints  yellow,  the  club  black ;  pedicel  and  first 
funiclar  joint  very  long,  nearly  of  an  e(iual  length,  the  latter  the  slen- 
derer; second  funiclar  Joint  one  third  shorter  than  the  first;  third  and 
fourth  stouter,  the  third  longer  than  thick,  the  fourth  quadrate;  club 
a  little  thicker  than  last  two  funiclar  joints,  long,  cylindrical,  the  Joints 
subquadrate.  Mesonotum  without  furrows.  Mesopleura  Avith  a  deep 
femoral  groove,  pubescent,  sparsely  punctate.  Wings  subhyaline,  the 
marginal  vein  short,  scarcely  one-third  the  length  of  the  rather  long 
stigmal  vein ;  basal  nervure  distinct.  Abdomen  lojig,  jwinted,  fusiform, 
black,  shining,  the  first  and  second  segments  striated,  the  following 
smooth,  polished,  impunctured. 

Habitat. — Virginia. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  si)ecimen  collected  by  O.  Heidemann.     Al 
lied  to  C.  striaf(t,  but  quite  distinct  by  the  shape  of  the  head,  relative 
length  of  fnuiclar  joints,  and  the  sculpture  of  the  abdomen. 

Caloteleia  cinctiventrls  Asbm. 

B(FOHeitra  ciHctiveniris  AsLm.,  Ent.  Am.,  ill,  p.  99,  9  ;  Cress.  Syn.  Hym.,  p.  313. 

5.  Length,  1.80""".  Brownish-yellow,  closely,  minutely  punctate; 
abdominal  segments  at  base  barred  with  black  or  fuscous;   legs  palej 


214  BULLETIN    45,  UNITED   STATES   NATIONAL   MUSEUM, 

the  ffcmoisi  and  tibuu  very  slightly  obfuscated.  Head  transverse,  with 
a  fuscous  spot  on  vertex.  Antennie  12-jointed,  the  scape  and  funicle 
pale  brown,  the  club  black ;  first  funiclar  joint  slightly  shorter  than  the 
pedicel,  or  a  little  longer  than  thick;  second,  shorter;  third  and  fourth 
minute,  transverse;  club  fusiform,  the  joints  short,  transverse.  Wings 
hyaline,  with  a  band  below  the  punctiform  marginal  vein.  Abdomen 
long,  fusiform,  minutely  punctate;  the  short  horn  on  first  segment 
black,  shining;  base  of  the  following  segments  black  or  fuscous. 

Habitat. — Jacksonville,  iP\&. 

Type  in  Coll.  Ashmead. 

This  pretty  little  species  is  quite  distinct  from  all  the  others,  in  size, 
in  the  banded  anterior  wings,  and  in  the  bunded  abdomen.  It  was 
originally  described  in  the  genus  Biconeura  on  account  of  the  puncti- 
form marginal  vein. 

Caloteleia  rubriclava  Ashm. 
Aeolus  .•ubriclavua  Ashm.,  Ent.  Am.  iii,  p.  99;  Cress.  Syn.  Hym.,  p.  313. 

9  .  Length,  3""".  Pale  brownish-yellow;  the  short  horn  at  base  of 
abdomen  black;  eyes  and  ocelli  brown.  Antennae  12-jointed,  pale;  the 
club  large,  subsolid,  inarticulated,  reddish-brown;  first  funiclar  joint 
shorter  than  the  pedicel ;  the  three  following  very  short.  Mesonotum 
closely,  minutely  punctulate,  with  2  delicate  furrows.  Wings  hyaline, 
the  marginal  vein  very  short.  Abdomen  long,  pointed-fusiform,  the 
first  three  segments  longitudinally  striated,  the  third  apically,  and  the 
following,  smooth,  shining. 

Habitat. — Ja(;ksonville,  l^  la.  ^ 

Type  in  Coll.  Ashmead. 

This  species  is  quite  distinct  from  the  others  in  color,  and  in  having 
a  subsolid  club.  ^     ^ 

Caloteleia  Marlattii,  sp.  nov. 

S  9.  Length,  2.8  to  3.2'""'.  Brownish-yellow,  closely,  minutely  punc- 
tulate; the  head  black  or  fuscous,the  lower  partof  cheeks  and  faceoften 
pale,  especially  in  the  female;  the  first  and  apical  abdominal  segments 
in  the  male  black  or  fuscous. 

AntennjB  12-jouited,  brown-black ;  in  S  filiform  with  the  scape  pale, 
the  first  funiclar  joint  a  little  longer  and  thicker  than  the  pedicel,  the 
second  a  little  shorter  than  the  third,  and  both  shorter  than  the  first, 
the  joints  beyond  oval-moniliform,  loosely  joined;  in  9  terminating  in  a 
large  6-jointed  club,  the  second  funiclar  joint  about  half  the  length  of 
the  first,  the  third  and  founh  subquadrate. 

Mesonotum  with  2  delicate  furrows,  punctate.  Wings  hyaline,  pu- 
bescent, the  marginal  vein  slightly  thickened,  short;  the  stigmal  vein 
short  and  ending  in  a  knob. 

Abdomen  lung,  fusiform,  much  narrowed  at  base,  the  first  segment 


MONOGRAPH  OF  THE  NORTH  AMERICAN  I'ROCTOTRYPID^.      215 

being  long,  petioliform,  linear,  the  three  basal  segments  longitudinally 
striated,  the  striations  on  the  third  fainter  than  on  the  other  two,  smooth 
laterally  and  at  apex;  rest  of  the  abdomen  smooth. 

Habitat. — Kansas,  Illinois,  and  New  Jersey. 

Type  in  Coll.  Ashmead  and  National  Museum. 

BARYCONUS  Filrst^r. 
Hym.  Stud.,  Ii,  p.  101  (1856). 

Head  subquadrate  or  quadrate,  roundedly  emargiiiated  posteriorly; 
ocelli  3  in  a  triangle,  the  lateral  very  close  to  the  eye;  eyes  large, 
oval,  pubescent. 

Antenna?  inserted  Just  above  the  clypeus,  12-jointed  in  both  sexes, 
in  9  terminating  in  a  G-jointed  club,  the  last  funiclar  joint  transverse; 
in  $  long,  filifoi'm,  the  first  flagellar  joint  longer  than  the  third. 

Maxillary  palpi  4-jointed;  labial  palpi  3-jointed. 

Mandibles  tridentate. 

Thorax  ovoid,  the  prothorax  not  or  scarcely  visible  from  above;  ineso- 
thorax  with  or  without  furrows;  metathorax  short,  em arginate  poste- 
riorly, with  delicate  keels  laterally. 

Front  wings  with  a  long  marginal  and  a  very  long  postmarginal  vein, 
the  marginal  being  usually  twice  as  long  as  the  stigmal,  oblique,  clavate", 
sometimes  a  little  curved ;  basal  vein  usually  distinct,  rarely  subobso- 
lete. 

Abdomen  long,  linear,  or  fusiform,  and  not  so  much  narrowed  at  base 
as  in  Calotdeia,  the  basal  segments  in  9  with  a  horn  at  base  extending 
forward  over  the  metathorax,  sometimes  reduced  to  an  deviated  convex 
prominence.     J^.     *   ; -4  ^     \    .  .  .  ■ 

Legs  long,  the  femora  and  tibiie  subclavate;  the  tibial  spurs  1,1,1; 
all  tarsi  slender,  much  longer  than  their  tibiae. 

Fiirster's  type  of  the  genus  appears  never  to  have  been  described. 
The  genus  is  closely  allied  to  Caloteleia,  but  is  readily  separated  by  the 
longer  marginal  vein  and  the  diflference  pointed  out  in  the  abdomen. 
It  is  parasitic  on  the  eggs  of  white  tree  crickets,  Oevanthus. 

BaryconuB  oecanthi,  sp.  iiov.  Riley. 

(PI.  IX,  Fig.  2  $.) 

"  ^  9  .  Length,  2.5  to  3""".  Black,  closely  punctate,  subopaque  and 
sparsely  covered  with  a  sericecms  down.  Head  quadrate;  eyes  pubes- 
cent; antenna?  12-jointed,  black;  in  $  fllitbrm-submoniliform,  the  first 
and  second  funicular  joints  elongate,  about  equal,  thrice  as  long  as 
thick;  third  slightly  shorter;  fourth  half  the  length  of  third;  joints 
beyond  to  the  last,  moniliform;  the  last  fusiform,  twice  the  length  of 
the  penultimate;  in  9  terminating  in  a  long  6-joiuted  club. 


216  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM. 

"Thorax  punctate,  without  furrows;  legs  black,  the  base  of  the  tibiae 
and  tarsi  brownish;  wings  hyaline,  ])ube  rent,  the  venation  brown,  the 
marginal  vein  longer  than  the  stigmal,  the  latter  ending  in  a  small 
knob.  Abdomen  twice  as  long  as  the  head  and  thorax  together,  linear- 
fusiform,  lineatedly  rugulose,  the  apex  of  the  horn  in  the  female  pol- 
ished. 

"Habitat. — Lincoln,  Nebr. 

"Type  in  National  ]\Iuseum. 

"This  species  was  reared  by  Prof.  L.  Bruner  from  the  eggs  of  Oecan- 
thus  niveus,  and  probably  is  the  insect  that  Mr.  Howard  Ayers  treats 
under  the  genus  Teleas  in  his  biological  study  published  in  Memoirs 
Bost.  Soc.  N.  H.,  vol.  Ill,  p.  225,  1884."— [From  Riley's  MS.] 

MACROTELEIA  Westwood. 

Proc.  Zoiil.  Soc,  1835,  p.  70. 
(Type  A/,  eleoniimoidex  Westw.) 

Head  transverse,  subquadrate,  broader  than  the  thorax,  the  frons 
convex,  the  occiput  slightly  emarginate;  ocelli  3  in  a  triangle,  the  lat- 
eral touching  the  eye;  eyes  oval,  bare. 

Antennae  inserted  just  above  the  clypeus,  12-iointed  in  both  sexes, 
in  9  clavate,  the  club  large,  G-jointed;  in  $  long,  filiform,  the  first 
flagellar  joint  scarcely  longer  than  the  third,  the  third  excised. 

Maxillary  palpi  short,  4  jointed;  labial  palpi  3  jointed. 

Mandibles  tridentate. 

Thorax  ovate,  the  prothorax  slightly  visible  from  above;  mesothorax 
with  or  without  furrows;  scutellum  semicircular;  metathorax  not  very 
short  with  two  carinae  above,  diverging  posteriorly,  and  with  delicate 
lateral  carinae. 

Front  wings  with  a  long  marginal  vein  nearly  twice  the  length  of 
the  stigmal,  the  postmarginal  greatly  lengthened,  the  stigmal  vein  ob- 
lique, usually  with  a  little  knob  and  sometimes  with  a  radial  branch 
from  its  tip;  basal  vein  sometimes  present,  usually  obsolete. 

Abdomen  sessile,  greatly  elongated,  fusiform  or  linear,  projecting  be- 
yond the  tip  of  the  wings  when  folded,  the  first  four  segments  nearly 
equal. 

Legs  as  in  Baryconus,  the  tibial  spurs  1, 1, 1,  distinct,  the  basal  joint 
of  hind  tarsi  less  than  thrice  as  long  as  the  second. 

Distinguished  by  the  long  marginal  nervure  and  the  greatly  elongate, 
fusiform  abdomen.  Species  occur  with  and  without  parapsidal  furrows, 
and  with  and  without  a  basal  nervure,  and  these  characters  can  be  used 
to  separate  tlie  genus  into  sections.  If  the  species  become  numerous 
they  might  be  entitled  to  generit;  value.  The  genus  is  parasitic  on  the 
eggs  of  the  locustid  genus  Orchelimum, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PR0CT0TRYP1D.E.    -217 

TABLE   OF    SPECIES. 

FKMALES. 

Abdomen  more  than  five  times  iis  long  as  tlie  lieatl  .and  thorax  united,  the 
tlirec  basal  segments  coarsely  lineatedly  sculptured,  the  rest 
more  finely  striated  and  punctate;  scape  and  legs  yellow, 

M.  MACKOOASTKU,  sp.  nOV. 

Abdomen  scarcely  thrice  as  long  as  the  head  and  thorax  united. 
Coxa;  black;  nbdomeu  with  a  lineateil  sculpture  basally,  the  apical  seg- 

mi  uts  almost  smootli  but  still  faintly  jiunctate . .  M.  floridaxa  Ashm. 
Coxaipale;  abdomen  with  a  thimble-like  puuetation M.  viroiniknsis,  sp.  uov. 

Macroteleia  maciogaster,  sp.  nov. 

(PI.  IX,  Fig. 6,^.) 

$  9.  Lengrtli,  5,  8""';  $,  4.60""".  Brown-black,  pubescent,  with 
round  punctures;  six  basal  joints  of  9  antenn.ne  and  legs,  except  coxae, 
brownish-yellow;  the  pedicel  and  the  first  funiclar  joint  very  long,  the 
latter  the  longer;  second  funiclar  joint  one-half  the  length  of  the  first; 
third  and  fourth,  short,  subequal ;  club  rather  slender,  the  joints,  ex- 
cept the  last,  a  little  wider  than  long;  the  $  antennjB  are  filiform;  the 
pedicel  greatly  elongate,  as  long  as  the  first  and  second  funiclar  joints 
together,  the  joints  beyond  a  little  more  than  twice  as  long  as  thick. 
Mesonotum  with  2  furrows.  Scutellum  short,  transverse,  with  a  row 
of  punctures  behind.  Metanotum  very  shrrt,  the  abdomen  being  in- 
serted just  back  of  the  post- scutellum  on  a  line  before  the  insertion  of 
hind  coxfe.  The  abdomen  in  both  sexes  is  very  long,  in  the  9  meas- 
uring 5"""  in  length  and  more  than  twice  the  length  of  the  wings  when 
folded,  with  coarse,  rounded  punctures  and  little  raised  lineations; 
after  the  third  segment  the  punctures  are  smaller  and  the  surface  is 
smoother.  Wings  fusco-hyaline,  the  marginal  vein  about  1^  times  as 
long  as  the  stigmal,  the  latter  ending  iu  a  small  knob,  the  postmar- 
ginal  very  long. 

Habitat. — Texas.  r  7 

Types  iu  Coll.  Ashmead.        '       ' 

Described  from  15,19  specimen. 

Macroteleia  floridana  Ashm. 

(PI.  IX,  Fig.  6,  9.) 
Bceoneura  floridana  Ashm.,  Ent.  Am.,  iii,  p.  99;  Cress.  Syn.  Hym.,  p.  313. 

S  9  .  Length,  3.5  to  4""".  Slender,  greatly  elongated,  black,  rugoso- 
puuctate,  and  sparsely  pubescent.  Antennae  dark-brown,  the  scape 
pale;  first  funiclar  joint  in  9  longer  than  the  pedicel,  the  second  slightly 
smaller,  the  third  still  shorter",  the  fourth  wider;  club  6-jointed,  large. 
In  S  the  pedicel  and  first  funiclar  joint  about  equal,  the  second  short, 
the  third  a  little  dilated,  slightly  emargiuated  at  base,  the  following 
submouiliform,  slightly  longer  than  thick.  Mesonotum  with  2  dis- 
tinct furrows,  the  metanotum  with  2  delicate  keels  on  disk,  sometimes 
with  a  tuft  of  pubesceiif'e  between.    Wings  hyaline,  very  slightly 


218  .       BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

tiiifjed,  pubescent;  margiual  vein  abont  twice  as  long  as  tli»>  vtlgmal, 
the  postmaiginal  very  long.  Lrgs  brownish  yellow;  in  9  with  the 
coxae  black.  Abdomen,  in  5  ,long  t'lisiforni,  in  i  long,  linear,  scarcely 
widened  at  tlie  middle,  extending  far  beyond  the  Avings  when  folded, 
and  about  thrice  as  long  as  the  thorax;  first  and  second  segments 
striated  and  punctate,  the  following  segments  punctate  and  faintly 
rugose. 

Habitat. — Florida;  Virginia. 

Tyi)es  in  Coll.  Ashmead. 

Macroteleia  virgiuiensis,  m]).  nov. 

9.  Length,  ^""".  Black,  shining,  with  thimble-like  punctation; 
head  transverse-quadrate;  eyes  very  large,  rounded,  pubescent.  An- 
tenufB  12-jointed,  clavate,  brown-black,  the  scape  brownish-yellow; 
first  funiclar  joint  long,  one-third  longer  than  the  pedicel,  the  second 
two-thirds  the  length  of  the  first,  the  third  and  fourth  subequal,  but 
still  longer  than  wide;  club  G  jointed,  gradually  thickened  from  the 
fourth  funiclar  joint,  long,  gradually  tapering  off  at  both  ends. 

Mevsonotum  with  two  distinct  furrows.  Scutellum  smoother,  sparsely 
punctate.  Metathorax  with  a  median  keel.  Wings  hyaline,  the  mar- 
ginal vein  twice  the  length  of  the  stigmal,  the  latter  rather  short,  end- 
ing in  a  knob;  basal  nervure  wanting.  Legs,  including  coxa?,  reddish- 
yello'\\'.  Abdomen  pointed,  fusiform,  about  twice  as  long  as  the  head 
and  thorax  united,  with  close,  thimble-like  punctures,  some  of  which 
are  elongated  and  with  raised  lines,  the  first  segment  striolated,  the 
suture  between  the  first  and  second  crenate;  the  first  and  second  seg- 
ments are  about  equal  in  length,  a  little  shorter  than  the  third  and 
fourth,  which  are  also  equal. 

Habitat. — Arlington,  Va.  .        .   •'    /  '  ; 

Type  in  Coll.  Ashmead.  -^  -         -        .'^" 

Since  this  description  was  drawn  up  specimens  of  this  species  were 
reared  by  Dr.  Riley,  in  the  Department  of  Agriculture,  from  the  eggs 
of  Orchelimmn  ylahernmnm.  •  ..         , 

CALLISCELIO  Ashra.,  gen.  nov. 

(Type,  C.  laticinctus.) 

Head  transverse,  the  frons  convex,  the  face  not  impressed,  occiput 
and  cheeks  delicately  margined ;  ocelli  3,  large,  in  a  triangle,  the  lateral 
touching  the  eye;  eyes  very  large,  oval,  bare. 

Antennai  inserted  at  the  clypeus,  12-jointed  in  both  sexes,  in  9  with 
a  6-jointed  club,  all  the  funiclar  joints  elongate;  in  S  filiform,  the  first 
flagellar  joint  long,  joints  4  to  10  submoniliform. 

Mandibles  bidentate. 

Maxillary  palpi  4-jointed;  labial  palpi  3-jointed.  ^ 

Thorax  ovate,  rounded  before,  the  prothorax  slightly  visible  fr6tii- 
above,  the  mesonotum  with  two  distinct  furrows,  scutellum  semicircu-' 
lar,  convex;  metathorax  short,  carinat€d  laterally.  " 


MONOGRAl'II  OF  THK  NORTH  AMl^KK'AN  rK()(.T()TltV]'ID.E.     210 

Front  wings  with  ji  distinct  busal  iutvuic,  the  nuir^'uil  vein  long, 
fully  twic(r  as  long  as  the  stigiual,  the  hitter  ol)li<ine,  k  >bbe(l  at  tip, 
basal  vein  distinct. 

Abdomen  pointed  fusiform,  much  narrowed  at  base,  the  tip  project- 
ing a  little  beyond  the  wings  when  folded,  Urst  segment  linear,  jietiol- 
ilorm,  not  quite  as  long  as  the  second,  whicii  is  the  longest  segment; 
third  segment  two-thirds  the  length  of  the  second;  the  fourth  a  little 
more  than  half  as  long  as  the  third;  fifth  subequal  with  fourth;  sixth 
conical,  about  as  long  as  the  third. 

Legs  long,  slender,  the  tibial  spurs  1,  1,  1,  weak,  the  basal  joint  of 
hind  tarsi  nearly  four  times  as  long  as  the  second. 

Allied  to  Mdcroteleia,  but  separated  by  the  bidentate  mandibles, 
more  transverse  head,  and  narrower  petiole. 

Calliscelio  laticinctus,  sp.  nov. 

(PI.  IX,  Fig.  7,  5.) 

9  ,  Length,  2.5"""'.  Head  black;  face,  clypeus,  mandibles,  and  palpi, 
pale;  thorax  rufims  or  brown,  the  metathorax  black;  legs  yellowish, 
posterior  coxas  and  femora  obfuscated  above;  abdomen  fusiform,  much 
longer  than  the  head  and  thorax  together,  piceous-brown,  the  basal 
one  third  of  sec<md  segment,  and  basal  one-half  of  third,  yellow;  pet- 
iole, the  apical  two-thirds  of  second,  and  the  three  apical  segments 
black;  the  petiole  is  nearly  three  times  as  long  as  thick,  of  a  uniform 
width  throughout,  longitudinally  striated;  the  secon<l  segment  is  the 
longest,  about  one-half  longer  than  the  first,  broadened  at  apc.c  to 
three  times  its  width  at  base,  its  basal  half  longitudinally  aciculated; 
the  third  segment  is  two-thirds  the  length  of  the  second;  the  fourth, 
two-thirds  the  length  of  the  third;  the  fifth,  a  little  more  than  half  the 
length  of  the  fourth;  the  sixth,  conical,  about  as  long  as  the  third. 
Head  transverse,  finely  punctate.  Antenuix;  12-jointed,  brownish-yel- 
low, the  club  G-jointed,  black;  the  first  and  second  funiclar  joints  are 
long,  cylindrical,  subequal,  the  third  two-thirds  the  length  of  the  sec- 
ond, stouter,  the  fourth  about  one-half  the  length  of  the  third  and 
thicker.  Thorax  with  small,  sparse  punctures.  Wings  with  the  basal 
half  hyaline,  the  apical  half,  except  the  margin,  fuscous;  venation 
brown;  the  basal  nervure  distinct,  the  marginal  nerviire  3  times  as 
long  as  the  oblique  stigmal,  the  latter  terminating  in  a  rounded  knob, 
the  iwstm.arginal  longer  than  the  marginal. 

Habitat.— St.  Vincent,  West  Indies. 

Types  in  British  Museum  and  National  ^[useum. 

Described  from  C  9  specimens,  collected  bj'  Herbert  IT.  Smith. 
CHROMOTELEIA  Ashni.,  gen.  uov. 
(Type,  C  semityanea.) 

Head  large,  transverse,  rounded  before,  the  occiput  delicately  mar- 
gined, scarcely  emarginate,  the  vertex  uot  very  broad;  ocelli  3,  trian* 


220  Bl'LLKTIN    45,  UNITED   STATP:S   NATIONAL    MUSEUM. 

gularly  arranj^od,  the  laterals  touchiu}^  the  eye;  eyes  very  larj^e,  ovate, 
bare. 

Anteniue  inserted  on  the  elypeus,  lli  jointed  in  both  sexes;  in  9  ela- 
vate,  the  clnb  large,  G-Jointed,  the  fnniclar  Joints  elonji^ate,  the  first  the 
longest;  in  S  long,  filif<nin. 

Maxillary  palpi  4. jointed;  labial  pal i>i  .'{Jointed, 

Mandibles  tridentate. 

Thorax  ovate,  prodneed  into  a  little  ne(!k  anttu'iorly,  the  prothorax 
visible  from  above  as  an  arcnate  line;  niesothorax  with  2  distiuet 
grooved  lines;  sentellnm  seniicircnlar,  with  a  ridge  behind;  nietanotuni 
with  a  semicircular  inclosed  space  at  base,  the  sides  oarinated. 

Front  wings  with  the  subniarginal  vein  distant  from  the  costa,  curv- 
ing, and  Joining  it  at  about  the  middle  of  the  wing;  marginal  vein 
punctiform;  the  postinargiual  very  hmg;  stiginal  rather  long,  obli(ine, 
ending  in  a  little  knob;  basal  vein  distinct,  with  a  basal  cell. 

Abdomen  very  long  fusiform,  extending  beyond  the  tip  of  the  wings 
when  folded,  the  second,  third,  and  fourth  segments  longer  than  the 
rest,  the  fourth  a  little  the  shortest. 

Legs  as  in  Macrotelcia,  tibial  spurs  1,  1,  1,  basal  joint  of  hind  tarsi 
about  4  times  as  long  as  the  second. 

A  beautiful  and  distinct  genus,  remarkable  for  the  large,  semicircu- 
lar inclosure  on  the  metanotum,  which,  in  connection  with  the  vena- 
tion, renders  the  genus  easy  of  recognition. 

Chromoteleia  semicyanea,  sp.  nov. 

(PL  IX,  Fig.  3,  9.)  . 

S  9.  Length,  4.5  to  5""".  IIea<l  and  thorax  cyaneons,  punctate; 
abdomen  sessile,  very  long,  pointed  fusiform,  ochraceous,  punctate,  the 
first  and  second  segments  striated ;  first  segment  a  little  more  than  half 
the  length  of  the  second;  second  and  third  long,  equal,  the  three  fol- 
lowing segments  shorter,  subequal,  the  last  two  very  minute.  An- 
tennae black,  the  sca])e  yellow;  in  9  ending  in  a  6-jointed  club,  the 
first  funiclar  joint  the  longest,  about  one-half  longer  than  the  second  and 
not  quite  twice  the  length  of  the  pedicel,  the  third  funiclar  joint  sub- 
equal  with  the  second,  the  fourth  a  little  longer  than  thick  and  stouter 
than  the  third;  in  S  subflliform,  the  first  funicular  joint  twice  the  length 
of  the  pedicel,  the  joints  after  the  third,  except  the  last,  ab(mt  equal  in 
length,  less  than  twice  as  long  as  thick,  the  last  longer,  ovate.  Wings 
fuscous,  the  nervures  brown,  the  marginal  vein  i^unctiform,  the  basal 
nervure  distinct,  the  stigmal  a  little  curved,  ending  in  a  small  knob. 

Habitat. — St.  Vincent,  West  Indies. 

Types  in  British  Museum  and  National  Museum. 

Described  from  1  S  and  1  9  sjuicimeu  collected  by  Herbert  II.  Smith. 


MONOGRAPH  OF  THE  NORTH  AMI.RICAN  PROCTOTRYPlDiE.     221 

OPISTHA1.ANTHA  AhIiiii.,  gen.  nov. 
/?airt  Ashm.,  MS.  (Olim.).  .        . 

(Type,  O.   inelUprH  ANhm.) 

Heatl  transverse,  the  oceipiit  and  cheeks  delicately  margined;  ocelli 
3,  triangularly  arranged,  the  lateral  close  to  the  eye;  eyes  large,  oval, 
pubescent. 

Antennfe  inserted  at  the  clyi)eus,  12  Jointed  in  both  sexes,  in  the  9 
short,  clavate,  the  club  G-jointed,  the  last  funiclar  Joint  very  minute;  in 
S  filiform,  submonililbrm. 

Mandibles  bidentate. 

Thorax  short,  ovoid,  the  prothorax  not  visible  from  above;  mesono 
turn  with  2  delicate  but  distinct  furrows;  scutellum  semicircular;  post- 
scutellum  produced  into  a  short,  acute  spine;  metatnorax  very  short, 
angles  subacute. 

Front  wings  ciliated,  the  submarginal  vein  reaching  the  costa  a  little 
before  half  the  length  of  the  wing;  marginal  vein  short,  not  half  the 
length  of  the  stigmal;  postmarginal  greatly  lengthened;  the  stigmal 
vein  oblique,  knobbed;  basal  vein  and  basal  cell  present. 

Abdomen  oblong  oval,  the  second  and  third  segments  the  longest, 
the  third  a  little  longer  than  the  second. 

Legs  slender,  the  tibial  spurs  1,  1,  1,  weak,  the  basal  joint  of  hind 
tarsi  about  4  times  as  long  as  the  second. 

In  general  appearance  this  genus  closely  resembles  a  Telenomid,  but 
the  venation,  carinated  abdomen,  and  the  spiued  postscutellum  readily 
distinguish  it. 

Oplsthacantba  mellipes,  sp.  nov. 

:,..'::  (Pl.ix,Fig.4,  90  '^        /;    _ 

S  9  .  Length,  1.40""".  Black,  subopaque,  the  punctuation  so  fine 
as  to  be  scarcely  perceptible.  Head  transverse,  broader  than  the 
thorax.  Eyes  very  large,  i)ubescent,  the  space  between  them  narrow. 
Lateral  ocelli  close  to  the  eye.  Mandibles  3-dentate,  brown.  Antennae 
12-jointed,  brown-black,  the  scape  yellow;  in  9  clavate,  pedicel  small, 
the  first  funiclar  joint  slightly  longer  than  the  pedicel,  about  twice  as 
long  as  thick;  the  second  antl  third  moniliform,  the  fourth  very  minute; 
the  club  large,  the  joints  scarcely  separable,  transverse;  in  S  fili- 
form, the  pedicel  moniliform,  the  first  and  third  funiclar  joints  about 
equal,  long-oval,  the  second  small,  the  joints  from  the  fourth  to  the 
twelfth  oval-moniliform,  the  last  ovate,  longer  than  the  preceding. 
Mesonotum  with  two  nearly  parallel  furrows.  Scutellum  subconvex, 
with  a  transverse  line  at  base.  Postscutellum  armed  with  an  acute 
spine  or  thorn.  Legs  pale  honey-yellow.  Wings  hyaline,  the  venation 
pale  brown;  the  basal  nervure  delicate,  but  distinct;  the  marginal, 
about  as  long  as  the  stigmal;  the  stigmal  rather  short,  oblique,  and 
ending  in  a  knob;  postmarginal  vein  very  long.  Abdomen  long-oval, 
longer  than  the  head  and  thorax  together;  black,  with  a  brownish  tinge 


222  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

at  tlu'  middle,  the  first  three  Kefjments  lonjfitudiuiilly  striated,  tlie  fol- 
lowing segments  smooth,  polished. 

Habitat. — Washington,  D.  C. 

Types  in  Coll.  Ashmead. 

Besides  the  above  speeies,  I  have  seen  others  tVoni  S<mth  America 
and  the  West  Indies. 

LAPITHA  Asbm.,  gen.  nov. 
(Tyjie  L.  spinosa  AnIuu.) 

Head  large,  transverse,  the  occiput  and  cheeks  delicately  margined; 
ocelli  large,  in  a  triangle;  eyes  long  oval,  bare. 

Antennje  inserted  close  to  the  clypeus,  12-jointed  in  both  sexes;  in  5 
clavate,  the  club  6-jointed;  in  5  filiform,  the  flagellar  joints  all  long, 
cylindrical. 

Maxillary  palpi  4-joiuted;  labial  palpi  3  j(tinted. 

Mandibles  3-dentate. 

Thorax  ovoid,  the  prothorax  not  visible  from  above;  mesonotum 
without  distinct  furrows,  indicated  only  slightly  anteriorly;  scutellum 
large,  semicircular,  margined  behind;  metascutellum  i)roduced  into  an 
acute  spine;  metathorax  short,  emarginated,  the  sides  carinated. 

Front  wings  with  the  submarginal  vein  reaching  the  costa  beyond 
the  middle  of  the  wing,  the  marginal  vein  long  or  as  long  as  the  stig- 
mal;  the  latter  clavate,  slightly  obliquely  curved,  the  postmargiual 
longer  than  the  marginal. 

Abdomen  fusiform,  the  first  three  segments  nearly  equal,  the  fourth 
a  little  more  than  half  the  length  of  the  third,  the  fifth  still  shorter, 
the  sixth  and  seventh  short,  equal. 

Legs  long,  the  femora  and  tibijc  subclavate,  the  tibial  spurs  1, 1, 1, 
distinct,  the  tarsi  longer  than  their  tibiic,  the  basal  joint  very  long, 
about  five  times  as  long  as  the  second  joint. 

AUied  to  Opisthacantha,  but  of  a  larger,  more  elongate  form,  the 
head  difterently  shaped,  the  venation  totally  different,  the  basal 
nervure  being  more  oblique,  the  stigmal  nervure  shorter,  the  post- 
scutellar  spine  longer,  more  acute,  while  the  abdomen  is  longer,  fusi- 
form, and  more  narrowed  at  base. 

'    ♦      :     ^     ;  V     ;;    V  ;  ^     Lapitha  spiuosa,  sp.  nov.  . 

'•     -  (PI.  IX,  Fig.  8,^.) 

S .  Length,  3.5'""'.  Head  and  thorax  finely,  closely  punctulate, 
brownish-yellow ;  metathorax  with  oblicpie  carina?  extending  from  base 
of  postscntellum;  postscutellum  produced  into  an  acute  spine.  Legs 
yellow.  Abdomen  fusiform  (extending  slightly  beyond  the  tip  of  the 
wings  when  folded),  black,  closely  punctate,  sometimes  the  basal  half 
of  third  segment  yellow;  the  first  and  second  segments  are  striate,  the 
latter  with  punctures  in  the  stria';  first  segment  a  little  longer  than 
wide,  very  slightly  wider  at  apex  than  at  base;  second  and  third  seg- 


MONOGKAPH  OF  THE  NORTH  AMKRICAN  PKOCTOTUYPID.E.     223 

ments  tlu;  loiifjest,  alxmt  equal  in  length;  lonrtli,  the  lenjjth  of  tho 
tiist;  tit'th,  two-thirds  the  length  of  the  fourth;  sixth,  half  the  length 
of  tifth;  seventh  very  short,  smooth  basally;  eighth  subtriangular, 
maigined.  Antenna'  tiliforiu,  dark  Itrown,  the  scape  and  iiedicel  yellow; 
second,  tiiird,  and  the  last  joint  of  Hagelhun  ahout  eiiual  in  length; 
first  and  fourtli  about  equal,  shorter  than  the  seeond;  joints  beyond 
very  slightly  shorter.  Wings  hyaline,  with  a  large  smoky  blotch  below 
the  postmarginal  vein;  nervures  fuscous;  basal  iiervure distinct;  mar- 
ginal uervure  as  long  as  the  shaft  of  the  stigmal,  tlie  latter  oblique, 
clavate  at  tip. 

Habitat. — St.  Vincent,  West  Indies. 

Types  in  National  Museum  and  British  Museum. 

Described  from  4  6  specimens  collected  by  Herbert  H.  Smith. 

CACUS,  K«>u.  nov.  Hiley. 

(Typo  C.  acanthi  Riley.) 

"  Head  subtiuadrate,  emargiuate  behind,  the  occiput  feebly  margined ; 
ocelli  3,  triangularly  arranged,  the  lateral  close  to  the  eye;  eyes  ovate, 
bare. 

*'Antenna?  inserted  at  the  clypeus,  12-jointed  in  both  sexes;  in  5  cla- 
vate, the  club  G-jointed,  the  last  funicular  joint  usually  transverse,  the 
otliers  longer  than  wide;  in  S  flliform,  the  third  funicular  joint  a  little 
dinted  and  emarginate  toward  base.  ' 

"Mandibles  short,  either  tridentate  or  bifid  at  tip.  * 

"Maxillary  palpi  3-jointed;  labial  i)alpi  li-jointed. 

"Thorax  ovate,  narrowed  before,  the  prothorax  slightly  visible  from 
above;  mesonotum  most  frequently  without  furrows,  rarely  with  dis- 
tinct furrows;  metathorax  not  especially  short,  Avith  two  lateral  keels, 
a  median  prominence  or  carina,  and  with  usually  two  small  erect  teeth 
at  apex,  above  the  insertion  of  the  abdomen. 

"Front  wings  with  the  submarginal  vein  joining  the  costa  a  little  be- 
yond the  middle  of  the  wing,  the  marginal  vein  variable,  scarcely  half 
the  length  of  the  stigmal,  or  much  longer;  the  latter  oblicjue,  termi- 
nating in  a  knob;  the  postmarginal  vein  very  long,  the  basal  vein  sub- 
obsolete, 

"Abdomen  much  as  in  Barycotius,  but  the  female  without  the  horn- 
like projection  at  base. 

"Legs  as  in  Baryconus,  the  tibial  spurs  1,  1,  1,  the  middle  and  hind 
pairs  weak,  tarsi  long  and  slender,  the  basal  joint  more  than  four  times 
the  length  of  the  second." — [From  Rileyh  M8.\ 

It  is  probable  that  under  this  genus  Dr.  Riley  has  included  two  distinct 
genera,  one  distinguished  by  having  3  dentate  mandibles,  the  other  in 
having  the  mandibles  bifid  or  2-dentate,  but  otherwise  they  are  so 
similar  that  for  the  present  I  believe  it  best  to  follow  him  in  consider- 


224  IJULLKTIN   45,  UNITED    STATES    NATIONAL    MUSKUM. 

in^  the  speck's  coii^joiioiic.     The  typo  of  the  gt'iius, r<»c»</<  ticiiutlii  J>ih'y, 
has  ^{  (lentjito  niandiliU's.     Those  with  L'deiitat*'  inaiulil>h\s  are  IVom 
ISouth  Aiiu'rica  and  the  West  Indies,  and  are  not  inchule<l  iiere. 

The  only  species  wiiose  parasitism  is  known  was  bred  by  Tiof.  F.  M. 
Webster  from  the  eg}^s  of  OvvunthnH  niveun  De  (leer. 

Cacus  cBcaiithi,  k|).  iiov.,  Riley. 
(PI.  XVI,  Fig.  6,  9.) 

"  (?  9  .  Lc'»«;th,  2  to  2.20""".  Black,  snbopaque,  closely  pun<'tate,  and 
covered  with  a  line,  sericeous  down.  Head  (juadrate,  the  cheeks 
large,  swollen,  with  striie  converjfing'  toward  the  mouth;  nuindibles 
and  palpi,  pale;  anteiune  with  the  base  and  apex  of  scape  atul  two 
last  funicular  joints  pale;  pedicel  rather  long,  thicker  than  the  first 
funicular  joint;  the  latter  h)nger  and  slenderer  than  the  pedicel; 
second  funicular  joint  one-third  shorter  than  the  first;  third  and  fourth 
transverse.  Thorax  without  mesouotal  furrows;  metatliorax  with  a 
central  carina  and  margined  at  apex;  legs  pale  rufou.s,  the  coxaj 
slightly  dusky  basally;  wings  hyaline,  the  marginal  vein  about  half 
the  length  of  stigmal,  the  latter  knobbed  at  tip,  the  i)Ostmarginal  vein 
long.  Abdomen  long,  sublinear,  narrowed  at  base,  about  one  third 
longer  than  the  head  and  thorax  together,  and  extending  beyond  the 
tip  of  the  wings  when  folded;  first  segment  petioliform,  striated,  the 
second  and  third  longitudinally  shagreened,  nearly  ecjual  in  length,  the 
following  microscopically  sculptured. 

''The  $  agrees  with  the  female  very  closely  in  shape,  but  the  three 
basal  abdominal  segments  are  striated  and  the  antenna?  are  filiform, 
brownish-yellow,  the  first  and  second  funicle  joints  being  abimt  equal, 
thrice  as  long  as  the  pedicel,  the  third  one-third  shorter  than  the  sec- 
ond, the  following  to  the  last  very  slightly  shorter  and  almost  equal  in 
length,  the  last  pointed,  fusiform,  and  as  long  as  the  third  flagellar 
joint. 

"Habitat. — Lafayette,  Ind. 

"Types  in  National  3Iuseum. 

"Bred  by  Prof.  F.  M.  Webster,  May  31, 1881,  from  the  eggs  of  (Ecan- 
thus  niveus.^'' — [From  Eiley^s  MS.]  -.^  - 

Auteris  Forster. 

y        .  '  '         •       Hym.  Stud.,  ii,  p.  101  (1856). 

(Type  J.  rM^<ar»i8  Fiirst.) 

Head  transverse,  the  face  convex  or  subconvex,  not,  or  but  slightly, 
impressed  above  the  antenuiv,  the  occiput  and  cheeks  delicately  mar- 
gined; ocelli  3,  triangularly  arranged,  the  lateral  about  their  width 
from  the  border  of  the  eye;  eyes  oval,  usually  pubescent. 

Antennae  inserted  at  the  clypeus,  12-jointed  in  both  sexes,  in  $  cla- 


MONO(JKAPH  OF  THE  NORTH  AMERICAN  PROCTOTKYPID.E.     225 

vaU',  tbe  club  5  or  0  jtiiuteil,  siibsolid,  in  <J  tiliforni,  suhinonilit'orin,  the 
secoinl  Hagt'lliir  joint  sliorter  tliaii  the  tirst  or  tliird. 

Mandibles  bitid  at  tips. 

Thorax  ovoid,  the  prothorax  rounded  before,  not,  or  scarcely,  visible 
from  above,  ex(-ept  the  lateral  anji;les;  niesouotutu  broader  than  long, 
with  two  distinct  furrows;  scut<  Hum  semicircular,  subconvex,  with  a 
punctate  frenum  behind;  metathorax  short,  carinated  at  apex. 

Front  wiujjs  with  the  submargiiud  vein  n  aching  the  costa  a  little 
beyond  the  middle  of  the  wing,  the  marginal  vein  'usually  a  little  thick- 
ened, although  linear  and  scarcely  as  long  as  the  short  stlgmal,  the  lat- 
ter knobbed  at  tip,  the  postmargiiial  vein  very  long;  basal  uervure 
wanting  or  subobsolete. 

Abdomen  oval  or  oblong  oval,  the  first  three  segments  nearly  equal, 
the  third,  usually  a  little  the  longest. 

Legs  with  all  femora  and  the  anterior  tibite  clavate,  tibial  spurs  1, 1, 1, 
the  basal  joint  of  hiud  tarsi  thrice,  or  a  little  more  than  thrice,  as  long 
as  the  second. 

The  distinct  parapsidal  furrows,  transverse  head,  short  or  puncti- 
form  marginal  vein,  and  absence  of  the  horn  at  base  of  abdomen  dis- 
tinguish the  genus. 

Two  species  in  our  fauna  can  be  thus  tabulated : 

Thorax  and  abdomen,  t'xcej>t  Hometiines  the  tip,  brownish-yellow 2 

Mostly  bl.ick,  the  collar,  pleura,  and  base  of  abdomen  pale. 

Scutellum  smooth,  highly  i)olished A.  virginiensis. 

2.  Head  black  or  fuscous. 

Scape,  mandibles,  and  legs  yellowish A.  nigrickps. 

Anteris  virginienais,  sp.  nov. 

S.  Length,  1.20'""".  Black,  shining;  head  transverse;  mesonotum 
very  faintly  punctate,  in  marked  contrast  to  the  highly  polished  scu- 
tellum; collar,  pleura,  and  base  of  abdomen  rufous  or  yellowish;  man- 
dibles rufous.  Antennje  12-joiuted,  filiform ;  scape  as  long  as  the  first 
three  flagellar  joints  united;  pedicel  small,  round;  first  funiclar  joint 
the  longest,  about  twice  as  long  as  the  second;  the  following  joints 
about  equal,  longer  than  the  second,  but  not  quite  as  long  as  the  first. 
Mesonotum  with  two  distinct  furrows.  Scutellum  semicircular,  smooth, 
polished.  Metathorax  very  short,  polished,  its  x>osterior  margin  cari- 
nated. Legs,  including  coxae,  honey-yellow.  Wings  hyaline,  iridescent, 
the  marginal  vein  thick,  as  long  as  the  stigmal,  the  latter  oblique,  end- 
ing in  a  knob,  the  postmarginal  about  three  times  as  long  as  the  mar- 
ginal, the  basal  vein  subobsolete.  Abdomen  long-oval,  as  long  as  the 
head  and  thorax  together,  smooth,  polished,  the  first  segment  and  the 
second,  at  base,  striated ;  the  first  segment  is  yellowish,  the  third  the 
largest,  about  one-third  h>nger  than  the  second,  or  a  little  more  than 
twice  as  long  as  the  fourth. 
21899— No.  45 15 


226  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

Habitat. — Virginia. 
Tyi^e  in  National  Mnseum. 

Described  from  a  single  specimen  taken  by  Mr.  Theo.  Pergande,  Oc- 
tober 10, 1880. 

Anteris  nigriceps,  sp.  nov. 
(Pl.x,Fig.2,  9.) 

S  9  .  Length,  1.8  to  2.1"'"'.  Head  and  thorax  closely,  minntely  pniic- 
tate;  three  basal  abdominal  segments?  striated.  Head  and  abdomen 
black,  the  petiole  and  second  segment  at  base,  yellow,  sometimes  fus- 
cous or  black ;  mandibles  pale,  the  teeth  black ;  thorax  and  legs  brown- 
ish-yellow; in  9  the  scutellum  and  metathorax  fusccms  or  black,  rarely 
so  in  S  ;  mesonotum  with  2  furrows.  Antenna}  12-jointed,  black,  the 
scape  yellow,  sometimes  the  pedicel  in  female  yeHow;  in  the  2  the  first 
funiclar  jointislong,  longer  than  the  pedicel,  the  second  scarcely  half  as 
long  as  the  first,  the  third  very  slightly  shorter  than  second,  the  fourth 
transverse,  club  long,  fusiform ;  in  S  filiform,  the  first  funiclar  joint  about 
twice  as  long  as  the  pedicel,  the  third  shorter,  emarginated  at  base,  the 
second  shorter  than  the  third,  the  joints  after  the  third  oblong  oval, 
about  twice  as  long  as  thick.  Wings  hyaline  or  subhyaline;  the  mar- 
ginal vein  jiunctiform  or  about  twice  as  long  as  thick,  the  stigmal  vein 
oblique,  ending  in  a  distinct  rounded  knob. 

Habitat. — Jacksonville,  Fla.,  and  Arlington,  Va. 

Types  in  Coll.  Ashmead.      •  ■ 

Described  from  several  specimens. 

AFEOUS  Forster. 

Hym.  Stud.,  II,  p.  101  (1856). 

(Type  A.  Jeptocerus  Fiirst.) 

Head  transverse  quadrate  or  subquadrate,  the  occiput  concave,  mar- 
gined; ocelli  3,  triangularly  arranged,  the  lateral  a  little  away  from  the 
marginof  the  eye;  eyes  large,  oval,  bare.  ;  .* 

Antennae  inserted  just  above  the  clypeus,  12-jointed,  filiform  in  both 
sexes.  ..  n 

Maxillary  palpi  4-join ted;  labial  i)alpi  .'i-jointed. 

Mandibles  3-dentate. 

Thorax  long  ovoid,  the  prothorax  visible  from  above,  especially  later- 
ally; mesonotum  with  2  distinct  furrows,  abbreviated  anteriorly;  scu- 
tellum short,  with  a  row  of  punctures  posteriorly;  metathorax  short, 
with  the  dorsum  bicarinated. 

Front  wings  with  the  marginal  vein  usually  longer  than  the  stigmal, 
the  postmarginal  greatly  lengthened,  the  stigmal  oblique,  with  a  slight 
knob  at  tip;  basal  vein  wanting. 

Abdomen  sessile,  fusiforu).  always  much  longer  than  the  head  and 
thorax  together,  all  the  segments  lengthened,  the  second  and  third  the 
longest,  the  first  and  second  with  lateral  dorsal  carinae. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     227 

Legs  rather  long,  the  femora  clavate,  tibije  long,  subclavate,  tibial 
spurs  1,1,1,  distinct,  the  tarsi  lengthened,  slender,  the  basal  joint  more 
than  thrice  as  long  as  the  second. 

This  genus  is  closely  allied  to  Mavroteleiu,  but  is  distinguished  by 
filiform  antenna;  in  both  sexes. 

Apegus  elongatus  Ashin. 

Aniens  elongafus  Ashm.,  Ent.  Am.,  Iii,  p.  118;  Cress.  Syn.  Hym.,  p.  314. 

S  .  Length,  4.5""".  Elongate,  linear,  black;  the  head,  thorax,  and 
abdomen  with  round  punctures,  sparsely  covered  with  a  whitish  pu- 
bescence; cheeks  bulging,  rugoso-puuctate.  Mandibles  3-dentate,  pale 
brown.  Mesonotum  with  2  furrows.  Scutellum  short,  with  a  row  of 
large  punctures  posteriorly.  Metathorax  coarsely  furrowed,  with  two 
carinie  on  the  disk  and  lateral  keels.  Antennji;  12-jointed,  filiform, 
I)ale  brownish  yellow,  the  tips  fuscous ;  first  funiclar  joint  a  little  longer 
than  the  pedicel ;  second  shorter;  third  slightly  emarginated  at  base, 
the  following,  except  the  last,  moniliform,  scarcely  longer  than  thick, 
the  last  longer  than  the  penultimate.  Legs  brownisli-yellow,  the  pos- 
terior coxte  a  little  dusky  at  base.  Wings  fusco-hyaline,  the  venatioii 
blown;  the  submarginal  vein  is  very  long,  the  marginal  about  twice  as 
long  as  the  stigmal,  the  postmarginal  very  long.  Abdomen  fully  twice 
as  long  as  the  head  and  thorax  united,  punctate,  segments  1,  2,  and  3 
dorsally  towards  sides,  carinated,  the  second  and  fourth  segments 
about  equal,  the  third  a  little  longer. 

Habitat.— Florida.  >    :• 

Type  in  Coll.  Ashmead. 

HOPLOTELEIA  Ashm.,  gen.  nov. 

(Type  ^./oritZawa  Ashm.) 

Head  transverse-quadrate,  the  cheeks  margined,  the  face  with  a  deep 
impression  above  the  antennae;  ocelli  3,  in  a  triangle,  the  lateral  close 
to  the  marcrin  of  the  eye;  eyes  large,  oval. 

Antennte  inserted  close  to  the  mouth,  12-jointed  in  both  sexes;  in  9 
clavate,  in  <J  filiform.  /         ;.:     ;  ■; 

Maxillary  palpi  short,  4-jointed;  labial  palpi  3-jointed. 

Mandibles  3-dentate. 

Thorax  ovoid,  the  prothorax  slightly  visible  from  above;  mesonotum 
with  3  distinct  furrows;  scutellum  large,  semicircular;  postscutellum 
with  2  erect  teeth;  metathorax  short,  the  hind  angles  slightly  prom- 
inent. 

Front  wings,  when  folded,  not  extending  to  the  tip  of  the  abdomen, 
the  submarginal  vein  joining  the  costa  a  little  beyond  half  the  length 
of  the  wing,  the  marginal  vein  very  short,  almost  punctiform,  the  post- 
marginal  very  long,  the  stigmal  long,  oblique,  terminating  in  a  small 
knob}  basal  vein  obsolete, 


228  BULLETIN    45,  UNITED   STATES   NATIONAL   MUSEUM. 

Abdomen  sessile,  fusiform,  the  third  segment  slightly  the  longest;  in 
5  pointed  at  apex,  in  <5  trnueate,  with  2  prongs. 

Legs  moderately  stout,  pilose,  the  tibial  spurs  1, 1, 1,  well  developed, 
the  tarsi  not,  or  but  slightly,  longer  than  the  tibire,  the  basal  joint  of 
hind  tarsi  about  3^  times  as  long  as  the  second,  with  stiff  bristles 
beneath. 

The  three  impressed  lines  on  mesonotum,  the  spined  postscutellum, 
and  the  venation  separate  the  genus  at  once  from  all  others,  although 
otherwise  it  resembles  Baryconus  and  Macroteleia. 

Besides  the  species  described  here  from  ^North  America,  I  have 
another  species  in  my  collection  from  South  America.  Nothing  is 
known  of  the  habits  of  the  genus. 

Hoploteleia  floridaua  Ashm. 

(PI.  X,  Fig.  1,^.) 

Banjconns  floridanm  Ashm.,  Ent.  Am.,  iii,  p.  118;  Cress.  Syn.  Hym.,  p.  314. 

S  9  .  Length,  3.5  to  i"""".  Brown-black,  coarsely  rugoso-punctate, 
the  middle  of  mesonotum  smoother,  closely  punctate.  Antennje  12- 
jointed;  in  $  flliform,  brown,  the  scape  yellowish;  pedicel  triangular; 
flagellar  joints  to  fifth  subequal,  the  first  the  longest,  the  third  excised 
at  base;  joints  from  fifth  to  last  a  little  longer  than  the  fourth;  the 
last  IJ  times  as  long  as  the  penultimate;  in  9  clavate,  the  club  joints 
broader  than  long.  Mesonotum  with  3  distinct  furrows.  Pleura  im- 
pressed, lineated.  Scutellum  rugose,  with  coarse,  irregular  punctures. 
Postscutellum  with  two  short,  erect  teeth.  Wings  subhyaline,  tinged 
with  fuscous;  in  the  9  the  marginal  vein  is  very  short,  about  one-third 
the  length  of  the  stigmal,  or  nearly  punctiform;  in  the  S  longer,  fully 
half  the  length  of  the  stigmal;  postmarginal  vein  very  long;  stigmal, 
oblique,  not  curved,  ending  in  a  small  knob.  Legs  brownish-yellow, 
in  9  with  the  coxae  black.  Abdomen  fusiform,  sessile,  lineatedly 
rugose,  the  basal  segment  deeply  fluted,  in  9  pointed  at  apex,  in  <5 
truncate  and  ending  in  two  spines. 

Habitat. — Jacksonville,  Fla.,  and  Arlington,  Va. 

Types  in  Coll.  Ashmead. 

The  types  of  this  species  and  genus  were  collected  by  myself  in 
Florida,  but  I  have  a  S  taken  in  Virginia,  and  Mr.  Herbert  Smith  has 
taken  another  species  in  South  America,  so  that  the  genus  is  widely 
distributed. 

CREMASTOBiEITS  Ashm.,  gen.  nor. 
(Type  C.  bicolor  Ashm. ) 

Head  transverse,  the  face  convex,  the  vertex  not  very  broad,  rounded 
off  towards  occiimt,  the  latter  a  little  emarginated ;  ocelli  3,  triangularly 
arranged,  the  lateral  touching  the  eye;  eyes  very  large,  round,  hairy. 

Anteimse  inserted  close  to  the  clypeus,  12-joiuted  in  both  sexes,  in 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     229 

9  short,  clavate,  the  club   large  oval,  compact,  5-jointed;  in  $  sub- 
clavate,  subinoniliform. 

Mandibles  short,  bidentate. 

Maxillary  palpi  4:-.jointed;  labial  palpi  S-jointed. 

Thorax  ovate,  produced  into  a  little  neck  anteriorly;  the  mesonotum 
subeonvex,  without  furrows;  the  scutellum  semicircular;  the  meta- 
thorax  short,  the  angles  not  ])rominent. 

Front  wings  with  tlie  submarginal  vein  joining  the  costa  at  about 
half  the  length  of  the  wing,  the  marginal  vein  short,  linear,  the  post- 
marginal  very  long,  the  stignial  short,  oblique,  clavate. 

Abdomen  fusiform,  sessile,  a  little  longer  than  the  head  and  thorax 
together,  with  the  segments  strongly  constricted  at  the  sutures,  the 
first  the  longest,  the  following  subequal. 

Legs  with  the  femora  and  tibifp  subclavate,  the  tibial  spurs  well  de- 
veloped 1, 1, 1,  the  middle  and  posterior  tarsi  not  longer  than  their 
tibife,  the  basal  joint  of  hind  tarsi  about  thrice  as  long  as  the  second. 

This  genus  is  readily  distinguished  by  the  constricted  abdominal 
segments.  1  have  species  from  South  America  and  have  seen  others 
from  the  West  Indies,  but  no  doubt  the  genus  will  be  found  to  occur 
also  in  our  fauna. 

'"-  Cremastobaeus  bicolor,  sp.  uov. 

(PI.  r,  Fig.  3,  9.) 

$  2 .  Length,  1  to  1.1""".  Head  and  thorax  black,  faintly  micro- 
scopically punctate,  the  punctation  not  destroying  the  luster  of  the 
surfii<!e;  eyes  oval,  pubescent;  abdomen  brownish-yellow,  fusiform, 
the  segments  strongly  constricted  at  the  sutures,  the  sutures  cre- 
nate;  legs  yellow.  Antenujv  brownish-yellow,  the  club  oval-rotund, 
5-jointed,  black ;  the  first  funiclar  joint  is  the  stoutest  and  longest  joint, 
the  following  to  the  club  gradually  subequal,  the  last  two  rounded,  a 
little  transverse.  Wings  hyaline,  the  marginal  vein  a  little  longer  than 
the  stigmal,  the  latter  short,  oblicjue,  ending  in  a  little  knob;  no  trace 
of  basal  or  anal  nervures. 

The  $  is  entirely  black,  with  the  scape,  pedicel  of  antennae,  and  the 
legs,  yellow;  the  thorax  more  distinctly  punctate;  flagellum  sub-filiform, 
brown,  pubescent,  very  slightly  thickened  toward  tip,  the  joints,  after 
the  first,  submoniliform,  scarcely  longer  than  thick. 

Habitat.— St.  Vincent. 

Typas  in  National  Museum  and  British  Museum. 

Described  from  one  $ ,  three  $  specimens  collected  by  Herbert  H. 
Smith. 

HADRONOTUS  Furster. 

Hym.  Stud.,  ii,  p.  101  (1856). 

(Tjrpe  U.  laticepg  Forst.) 

Head  transverse,  usually  very  wide,  the  frons  convex,  the  face  with 
an  impression  above  the  insertion  of  the  antennte,  cheeks  margined; 


230  BULLETIN   45,  UMTF.D    STATES    NATIONAL    MUSEriM. 

ocelli  .3,  tiiangaliiily  aiTatij;e(l,  the  lateral  coutiguous  to  the  eye;  eyea 
larjje,  oval,  usually  bare,  sometimes  pubescent. 

Antenuje  inserted  close  to  the  mouth,  12-Jointed  in  both  sexes,  in  9 
clavate,  the  club  G-jointed,  in  S  tiliform,  jmbescent. 

Maxillary  palpi  short,  4-joiuted ;  labial  palpi  3  jointed. 

Mandibles  bidentate. 

Thorax  oval,  truncate  anteriorly,-  the  anjjles  of  the  prothorax  alone 
visible  from  above;  mesonotum  much  wider  than  long,  without  furrows; 
scutellum  rather  large,  semicircular,  convex;  metathorax  very  short, 
abrupt. 

Front  wings  with  the  submarginal  vein  attaining  the  costa  at  about 
half  the  length  of  the  wing,  or  a  little  before;  marginal  vein  variable, 
punctiform,  or  rarely  more  than  half  the  length  of  the  stigmal,  the  latter 
rather  long,  oblique. 

Abdomen  broadly  oval,  sessile,  carinated  along  the  sides,  the  second 
segment  the  largest,  the  first  and  third  about  equal. 

Legs  with  the  femora  and  tibiie  subclavate,  the  tibial  spurs  1,1,1, 
distinct,  the  tarsi  long,  slender,  the  basal  joint  of  hind  tarsi  about  thrice 
as  long  as  the  second. 

This  genus  closely  resembles  TeJenornvs  and  could  only  be  confused 
with  it,  for,  like  that  genus,  it  is  found  parasitic  in  the  eggs  of  various 
Hemiptera.  It  is,  however,  readily  distinguished  by  the  distinctly 
carinated  abdomen,  the  12-jointed  antennae  in  the  females,  the  coarser 
sculpture,  and  the  more  sessile  abdomen.  > 

It  occurs  in  all  parts  of  the  world  and  is  particularly  well  represented 
in  the  South  American  and  West  Indian  faunas,  where  no  doubt  it  does 
good  service  in  diminishing  the  number  of  Hemiptera  to  be  found  there. 

The  several  species  found  in  the  United  States  may  be  readily  sepa- 
rated by  the  aid  of  the  following  table:  '        ;^ 

TABLE   OF   SPECIES.  Ti"    ' 

Species  very  coarsely  rngoso-pnnctate 2 

Species  smooth,  at  the  most  faintly  jiunctate  or  shiigieeiied,  sericeous. 
Coxte  black  or  dusky,  legs  yellow,  or  pale  hrowuish-yellow. 
Head  and  thorax  shagreened,  the  scutellum  finely  punctate. 
Abdomen  polished,  the  first  and  second  segments  faintly  longitudinally 
aciculated,  the  second,  without  a  row  of  punctures  at  base. 

H.  LA.RGI,  sp.  nov. 
Head  distinctly  punctate,  the  thorax  faintly  punctate. 
Abdomen  closely,  finely  punctate,  the  basal  and  apical  edges  of  all  the  seg- 
ments smooth,  polished,  the  first  segment  striate  at  base,  the  second 

with  a  row  of  striate  punctures  at  base H.  leptocokis.e  How. 

Head  and  thorax  closely,  finely  punotulate,  opaque. 
Abdomen  smoother,  shining  toward  apex,  the  first  and  second  segment  stri- 
ated    H.  MY'RMECOl'HILUS,  Sp.  nOV. 

2.  CoxiP  and  legs  brownish-yellow. 

Abdomen  with  coarse,  longitudinal  cribrate  rugosities  on  all  the  segments, 
smooth  and  polished  along  the  sutures H.  Ruaosus  How. 


MONOGRAPH  OB"  THE  NORTH  AMERICAN  PROCTOTRYPID^.     231 

Abdomeu  cribrate  rugose,  the  first  segment  with  deep  poarse  striiP,  the  follow- 
ing 81     ')ther,  the  segmeuts  not  smooth  along  the  sutures. 

H.  FU)Rii)ANUS  Ashm. 
Abdomen  finely,  evenly  rugose,  the  first  segment  striate  at  base.  i 

H,  ANAS^  Ashm. 
CoxjB  black,  the  legs  brownish-yellow. 

Head  and  thorax  rather  coarsely  rugose,  the  thorax  and  abdomen  very  finely 
rugoso-punctate,  the  luesonotum  jWHteriorly  slightly  liueated;  first 
abdouiiual  segment  and  the  second,  at  base  only,  striated. 

H.  itCGiCEPS,  sp.  nov. 

Hadronotus  largi,  sp.  nov. 

<5  9.  Length,  0.80  to  1'""'.  Black,  opaque;  head  transverse,  finely 
shagreened;  mandibles,  palpi,  anteuual  scape,  apex  of  pedicel,  and 
legs,  honey- yellow;  coxae  slightly  dusky.  Antenna;  12-jointed,  cLivate, 
brown-black,  except  as  before  mentioned;  pedicel  longer  than  the  first 
funiclar  joint;  second  and  third  funiclar  joints  not,  or  scarcely,  longer 
than  wide;  the  joints  beyond  all  transverse.  Thorax  with  fine  wavy 
longitudinal  rugap;  scutellum  almost  smooth,  the  punctation  being 
microscopic.  Wings  hyaline,  the  venation  yellowish,  the  marginal  vein 
short,  scarcely  half  the  length  of  the  oblique  stigmal  vein.  Abdomeu 
broadly  oval,  sessile,  smooth,  shining,  the  fii'st  and  second  segments 
faintly  longitudinally  aciculated. 

In  the  S  the  antennae  are  filiform,  honey-yellow,  the  pedicel  longer 
than  the  first  funiclar  joint,  the  second  funiclar  small,  the  third  en- 
larged, stout,  the  joints  beyond  transverse,  twice  as  wide  as  long, 
subserrate,  the  last  oval. 

Habitat. — Los  Angeles,  Oal.  v  ^ 

Types  in  National  Museum. 

Described  from  several  specimens  bred  by  Mr.  D.  W.  Coquillett, 
from  the  eggs  of  Largiis  succinctus. 

^.      ,  Hadronotus  leptocorisae  How.  • 

Hubbard's  Orange  Insects,  App.,  p.  215;  Ashm.  Ent.,  Am.  iii,  p.  118;  Cress.  Syn. 

Hym.,  p.  314. 

9  •  Length,  1,4""" ;  expanse,  2.5'""'.  Head  and  thor.ax  evenly  covered  with  small 
round  punctures,  except  in  the  facial  impression,  which  is  transversely  striate ;  an- 
tennae subclavate;  lateral  ocelli  nearly  touching  the  margins  of  the  eyes.  Mesono- 
tum  a  trifle  smoother  thsui  the  head,  and  furnished  with  a  very  fine  white  pubes- 
cence. First  segment  of  the  abdomeu  dorsally  longitudinally  striate ;  remaining  seg- 
ments closely  covered  with  fine  round  punctures;  ventral  surface  sparsely  punctate. 
Color  brown;  scape  brown;  all  ooxse  black;  all  trochanters,  femora,  tibiu),  and 
tarsi  light  brown;  mandibles  and  wing  veins  light  brown. 

^ .  Length,  1.3""™ ;  expanse,  2.8"'"'.  Anteniue  filiform.  In  other  characters  re- 
sembling the  9  .     (Howard.) 

Habitat. — Crescent  City,  Fla. 
Types  in  National  Museum. 

Bred  by  Mr.  H.  G.  Hubbard  from  the  eggs  of  Zelua  hilohus  Say, 
wrongly  determined  as  the  eggs  of  Leptocorim  tipuloides. 


232  BULLETIN  45,  UKITED  STATES  NATIONAL  MUSEUM. 

■^•.-...'.  . -:    HadronotUB  mymMcopbiliis,  sp.  nov. 

$  .  Length,  1""".  Head  and  thorax  finely  closely  punctulate,  opaque ; 
the  apex  of  the  abdomen  smoother,  shining,  the  two  basal  segments 
punctate  and  striate,  the  following  almost  smooth.  Head  very  wide, 
the  cheeks  flat,  delicately  margined.  Antennse  12-jointed,  filiform,  the 
scape  yellowish,  the  flagellum  dark-brown,  thicker  than  the  scape  and 
pedicel;  first  flagellar  joint  the  longest,  longer  than  the  pedicel,  sec- 
ond, half  the  length  of  the  first,  a  little  contracted,  third,  very  slightly 
longer,  a  little  dilated  outwardly  toward  one  side;  following  joints 
scarcely  as  long  as  thick.  Legs  brownish-yellow,  the  coxa?  black. 
Wings  subfuscous,  the  marginal  vein  punctiform,  not  longer  than  thick, 
the  stigmal  oblique,  the  postmarginal  very  long. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

This  species  was  taken  from  an  ant's  nest.  It  differs  decidedly 
from  the  other  species  in  the  sculpture  of  the  head  and  thorax  and  in 
the  smooth,  apical  abdominal  segments. 

HadronotuB  rugosus  How. 

lusect  Life,  Vol.  i,  p.  242. 

9.  Length,  1.8""".  Antenna-  arise  immediately  above  the  mouth;  scape  reaches 
nearly  to  anterior  ocellus ;  pedicel  suhcylindric,  as  lon<;  as  first  funicle  joint ;  funicle 
joints  increasing  regularly  in  width  from  joint  1  to  basal  joint  of  club;  joint  1  of 
funicle  twice  as  long  as  2,  the  remaining  joints  subecjual  in  length;  joint  2  of  club 
equal  to  joint  1;  joint  3  longer  than  2  and  pointed.  Head  and  face  closely,  deeply, 
and  regularly  punctate ;  facial  impression  shallow,  with  transverse  punctures  and 
with  a  distinct,  central  longitudinal  carina.  Mesonotum  strongly  punctate,  the 
punctures  of  the  scutum  assuming  a  longitudinal  direction.  Dorsal  surface  of  ab- 
domen strongly  longitudinally  rugose,  each  joint  smooth  at  extreme  base,  and  apex, 
the  rugosities  strongest  upon  joint  1,  growing  slightly  fainter  on  succeeding  joints; 
joint  2  longest,  joints  1  and  3  shorter;  venter  with  well-marked  circular  punctures. 
Entire  surface  of  body  with  sparse  whitish  pilositj-.  (Jeneral  color,  black ;  mouth 
parts,  antenna;,  and  legs  honey-yellow,  except  that  the  front  coxfe,  antennal  club 
and  pedicel,  and  first  two  funicle  joints  above  are  brownish. — (Hoicard.) 

Habitat. — Kockledge,  Fla.  .s  -, 

Types  in  National  Museum. 

Mr.  Howard  described  this  species  from  3  9  specimens  dissected 
from  the  supposed  eggs  of  Dysdercus  snturellusj  sent  to  Dr.  Eiley  by 
Mr.  H.  S.  Williams,  April  1,  1889.  The  eggs  appear  to  me  to  be  those 
of  Euthoctha  galeator  Fabr.,  with  which  I  am  quite  familiar,  from  my 
long  residence  in  Florida. 

Hadronotus  floridanus  Ashm. 

Ent.  Am.,  in,  p.  118;  Cress.  Syn.  Hym.,  p.  314. 
S  9.    Length,  1.5""".    Head  and  thorax  very  coarsely  rugose,  the  ab- 
domen cribrate  rugose,  the  first  segment  with  coarse  striae;  scape  and 
legs  brownish-yellow,  the  coxae  sometimes  brownish-black. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     233 

AiitennaB  12jointed,  in  5  clavate,  the  pedicel  not  longer  than  the 
first  funiclar  joint,  the  second  fnniclar  joint  about  half  the  length  oi"  the 
flrst,  the  third  and  following,  transverse;  in  S  filiform,  pale  brownish- 
yellow,  the  first  funiclar  joint  the  h)nge8t,  longer  than  the  pedicel,  the 
second  one  third  shorter  than  the  first,  the  third  slightly  dilated 
toward  one  side  at  apex,  the  following  a  little  longer  than  wide, 
the  last  poir.tcd,  almost  as  long  as  tlie  flrst  funiclar.  Wings  hyaline, 
the  venation  yellowish,  the  marginal  vein  very  short.  Legs,  including 
coxje,  brownisli-yellow. 

Habitat. — Jacksonville  and  Cocoanut  Grove,  Fla. 

Types  in  Coll.  Ashmead  and  l!fational  Museum. 

Described  from  many  specimens  reared  from  the  eggs  of  Metapodius 
femoratuH  Fabr. 

This  species  is  most  closely  allied  to  ff.  rugosus  Howard,  bvit  quite 
distinct  in  the  sculpture  of  the  abdomen. 

Hadronotus  anasae  Asbm, 

Telenomiu  auaaai  Ashm.,  Ball.  No.  14  U.  S.  Dept.  Agric,  p.23;  Cresa.  Syn.  Hym., 
P-314. 

$  9  .  Length,  1.2  "■".  Black,  coarsely,  irregularly  rugoso-punctate, 
witli  a  sparse  whitish  pubescence,  the  abdomen  more  evenly  and  less 
coarsely  sculptured,  somewhat  lineated,  the  extreme  apical  edges  of 
the  segments  smooth,  polished,  the  first  segment  striate,  the  second  a 
little  longer  than  the  first  and  the  longest  segment,  the  third  a  little 
shorter  than  the  first.  Head  large  and  brojul,  about  3J  times  as  wide 
as  thick  antero-posteriorly,  and  wholly  rugose.  Antennjc  12  jointed,  in 
9  clavate,  brown,  the  scape,  pedicel,  and  sometimes  the  funiclar  joints, 
yellow;  the  pedicel  is  one  half  longer  than  the  first  funi(!lar  joint,  the 
second  funiclar  shorter  than  the  first,  the  third  and  fourth  transverse, 
club  acuminate  towards  apex;  in  S  subftliform  or  subclavate,  the  pc'd- 
icel  shorter  than  the  first  funiclar  joint,  the  second  and  third  subequal, 
shorter  than  the  first;  the  following  joints,  except  the  last,  which  is 
ovate,  are  a  little  wider  than  long.  Mandibles  large,  pale  or  yellowish. 
Wings  hyaline,  the  marginal  vein  punctiform.  Legs  brownish-yellow, 
the  coxjB  sometimes  dusky,  more  rarely  black. 
Habitat. — Jacksonville,  Fla. 
Types  in  National  Museum  and  Coll.  Ashmead. 

Described  from  many  specimens  reared  by  myself  from  the  eggs  of 
Andsa  tristis  De  Geer.  Dr.  E.  S.  Turner  reared,  May  20, 1880,  a  large 
series  from  the  same  insect  eggs  at  Fort  George  Island,  Florida,  and 
Miss  Mary  Murtfeldt  reared  August  2, 1882,  a  variety  with  black  coxae 
at  Kirkwood,  Mo. 

Hadronotus  rugiicepB,  sp.  nov. 

9.    Length,  1.5""".    Head  and  scutellum  rather  coarsely  but  shal- 
lowly  rugoso-punctate;  the  thorax  and  abdomen  finely  rugoso-punctate, 


234  BULLETIN   45,  UNITED    STATES   NATIONAL   Ml'SEl'M. 

pubescent,  the  inesoiiotum  .k  little  liiieated  posteriorly.  Head  laif;e, 
wider  than  the  thorax,  the  (cheeks  nuirgined.  Antenna*  12-jointed, 
dark-brown,  the  scape  pale  at  base;  tirst  fnniclar  joint  slender,  cylin- 
dric,  scarcely  longer  than  the  pedicel,  the  latter  pale  at  tip;  second 
and  third  funidar  joints  short,  quadrate;  the  fourth  wider;  club  C- 
joiuted.  Wings  subfuscous,  the  marginal  vein  nearly  as  long  as  the 
stiginal.  Legs  brownish  yellow,  the  coxje  black.  Abdomen  oval,  the 
first  segment  an<l  the  second,  at  base,  striate,  the  following  segments 
all  finely  closely  punctulate. 

Habitat. — Washington,  D.  C. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen.  The  sculpture  of  the  head  and 
scutellum  and  the  length  of  the  marginal  vein  readily  <li8tingui8li  the 
species. 

BiEONEURA  Fr.rster. 

Hym.  8tiul.,  ii,  p.  100  (1856). 

Head  quadrate,  anteriorly  with  a  carina  between  the  antennae,  frons 
depressed;  ocelli  widely  separated,  the  lateral  close  to  the  hind  margin 
of  eye.    Eyes  large,  oval,  occupying  the  whole  side  of  the  head. 

Antenme  12-jointed,  inserted  at  the  clypeus,  in  9  clavate,  in  S 
filiform. 

Mandibles  short  and  broad,  bidentate.  ' 

Thorax  ovoid,  as  in  Phannrus,  polished,  without  furrows,  the  scutellum 
short,  the  metanotum  divided  by  a  central  carina  into  two  areas. 

Wings  very  narrow  and  strongly  fringed,  with  only  a  stigmal  vein 
that  ends  in  a  knob  before  attaining  the  costa. 

Abdomen  elongate  fusiform,  strongly  depressed,  subsessile,  the  first 
segment  narrowed,  but  wider  than  long,  the  second  and  third  segments 
subequal  and  the  longest  and  broadest  segments. 

Legs  normal. 

A  curious  little  genus,  remarkable  for  the  narrow  and  strongly 
fringed  front  wings  and  the  peculiar  venation,  strongly  recalling  some 
of  the  forms  m  the  Family  Mymarid^je,  with  which  it  might  easily  be 
confused.    It  also  resembles  Phamirns,  in  the  Tribe  Telenomiui. 

Forster  says  of  it :  "  Not  much  larger  than  Bwus,  although  umch 
more  elongate  and  narrower,  stands  the  genus  Bmoneura.  In  this 
genus,  however,  we  find  the  (dub  distinctly  jointed.  It  is  readily  dis- 
tinguished from  the  foHowicg  described  genera  by  the  small  develop- 
ment of  the  submarginal  vein,  which  passes  from  the  base  into  the  field 
of  the  wing,  but  does  not  unite  with  the  costa.  In  the  formation  of  the 
wings  it  forms,  therefore,  a  fine  transition  to  the  Platygastroidea." 

Forster's  type  seems  not  to  have  been  described,  and  the  following 
species  is,  therefore,  the  first  species  to  be  described.  Kirchner,  in  his 
Cat.  Hym.  Eui^.,  p.  193,  mentions  the  fact,  however,  that  there  are  two 
specits  found  in  Europe,  but  gives  no  names. 


'  MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     235 

Baeoneura  bicolor  n|>.  uov. 
(PI.  IX.  Fig.  6.) 

9.  Leiifftb  1""".  Elongate,  liifjhly  polislied,  black;  abdomen,  legs 
and  antennae,  except  tbe  clnb,  brownisb  or  lioney-yellovv.  Wings  hya- 
line, narrow,  strongly  fringed.  Olnb  of  antennic  brown,  5-Jointed. 
Abdomen  pointed  fusiform,  much  longer  than  the  head  and  thorax 
united,  flat,  or  strongly  depressed. 

Habitat. — Arlington,  Va. 

Type  in  C<dl.  Ashmead. 

A  single  specimen,  taken  by  beating. 

IDRIS  Forster. 

Hym.  Stud.,  II,  p.  102  (1856). 
(Type /.  y?aritw«i»  Fiirst.) 

Head  transverse  or  subqnadrate,  the  cheeks  and  occiput  delicately 
margined ;  ocelli  3,  in  a  triangle,  the  lateral  not  touching  the  border  of 
the  eye;  eyes  large,  oval,  pubescent. 

Antennae  inserted  close  to  the  mouth,  12-jointed  in  both  sexes;  in  9 
clavate,  the  club  G  jointed ;  in  S  filiform. 

Maxillary  palpi  4-jointed ;  lal)ial  palpi  3-jointed. 

Mandibles  deeply  bitid  at  apex. 

Thorax  ovoid,  rounded  before,  the  prothorax  slightly  visible  from 
above;  mesouotum  a  little  broader  than  long  with  two  distinct  furrows, 
sometimes  obsolete  posteriorly;  scutellum  semicircular,  with  a  punctate 
frenum;  metathorax  short,  subemarglnated. 

Front  wings  when  folded  extending  to,  or  a  little  beyond,  the  tip  of 
the  abdomen,  the  submarginal  vein  h)ng,  reaching  the  costa  beyond  the 
middle  of  the  wing,  the  marginal  vein  short,  the  postmarginal  vein 
scarcely  developed  or  never  longer  than  the  shaft  of  the  stigmal  vein, 
the  latter  rather  short,  obliciue,  and  knobbed  at  tij);  basal  nervure 
wanting. 

Abdomen  oblong-oval,  subpetiolated,  the  first  and  second  segments 
about  equal,  the  third  the  longest  segment. 

Legs  very  similar  to  Hadronotua. 

Idris  Iseviceps  up.  nov. 

S  .  Length  1.50""".  Black,  polished,  the  thorax  faintly  microscopically 
punctate,  sparsely  i>ubescent.  Mandibles  rufous,  the  teeth  and  apex 
black.  Antennae  and  legs  reddish  yellow.  Mesouotum  with  two  fur- 
rows. Wings  subhyaline,  fringed,  the  basal  vein  distinct,  the  marginal, 
twice  as  long  as  thick,  the  postmargiiml  but  slightly  developed,  the 
stigmal  short,  terminating  in  a  little  knob.  Abdomen  black,  polished, 
pubescent  toward  tlie  apex,  the  first  and  second  segments  striated. 

Habitat. — ArUngton,  Va. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 


236  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

ACANTHOSCELIO  Aslim.,  Ken.  iiov. 
{Tyye  A.  nmericanuH.) 

Head  largo,  subqiiadnite.  with  a  frontal  le(l*;e  as  in  Sparasion,  the 
occiput  rounded,  niarjjfincd;  ocelli  li,  in  a  triangle,  the  lateral  not  quite 
touching  the  margin  of  the  eye;  eyes  very  large,  rounded. 

Antenna'  as  in  SccJio. 

Maxilla.y  i)alpi  3  jointed. 

Thorax  ovoid,  prothorax  visible  from  above,  only  at  the  sides;  trun- 
cate anteriorly;  mesonotum  convex,  without  furrows ;  scutellum  large, 
quadrate,  the  posterior  margin  slightly  arcuately  emarginate,  the  an- 
gles acute;  postscutellum  produced  into  a  large  erect  spine;  metano- 
tum  short,  abrupt,  the  angles  prominent. 

Fnmt  wings  with  the  submarginal  vein  remote  from  the  costa  and 
curving  and  joining  a  punctiform  marginal  vein  at  about  the  middle  of 
the  wing;  stigmal  vein  rather  long,  oblique,  with  a  long  radial  branch, 
that  forms  a  long,  lanceolate  marginal  cell. 

Abdomen  sessile,  oblong-oval,  depressed,  strongly  carinated  along 
the  sides  and  composed  of  6  segments,  the  first  and  second  nearly 
equal,  the  third  the  longest. 

Legs  as  in  Sniio,  the  tibial  spurs  well  developed. 

The  affinities  of  this  remarkable  genus  are  with  Seelio  and  Sparasion; 
it  agrees  with  the  former  in  all  the  essential  characters,  except  in  hav- 
ing a  frontal  ledge,  the  structure  of  the  meso-  and  meta  scutellum,  and 
in  venation;  with  the  latter  it  agrees  only  in  its  cephalic  characters. 
It  is  at  once  distinguished  from  both  by  the  shape  of  the  scutellum  and 
the  str(mg  erect  postscutellar  spine,  the  shape  of  the  scutellum  being, 
indeed,  unique  in  the  family. 

The  genus  is  founded  upon  a  male  specimen,  collected  by  Mr.  Her- 
bert Smith,  at  Chapada,  in  South  America,  and  a  female  specimen  in 
the  Berlin  Museum,  labeled  "  Bogota." 

Acanthoscelio  amerioanus  sp.  nov. 

"-:,:-  :        (PI.  X,  Fig.  6,,?.) 

$ .  Length  3"™  Opaque,  coarsely  rugose;  antenufe,  post-scutel- 
lar  spine,  legs,  except  the  black  coxae,  and  the  lateral  margins  of  the 
abdomen,  brownish-yellow;  wings  fuscou.^,  yellowish-hyaline  at  base. 

Habitat. — Chapada,  Brazil,  South  America. 

Type  in  Coll.  Ashmead. 

Acanthoscelio  flavipes,  sp.  nov. 

9.  Length, 3.4"»™.  Black,  coarsely,  deeply  punctate;  antennae,  except 
the  6-jointed  club,  the  palpi,  the  legs,  including  coxae,  metathorax,  first 
abdominal  segment  and  the  lateral  margins  of  the  second  and  third,  red- 
dish-yellow. Head  subglobose,  as  wide  as  the  thorax,  with  a  frontal 
ridge,  coarsely  rugoso-punctate.    Eyes  very  large,  round.    Mandibles 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     237 

black,  curved,  with  a  tooth  within.  Antennae  12joiiit<id,  clavate,  very 
short;  tirstfiiniclar  joint  not  loiij^er  than  the  pi'diccl;  second  not  lonjjer 
than  wide;  third  and  fourth  transverse;  club  larj^o,  G jointed,  bhuk, 
the  joints  transverse.  Thorax  ovoid,  the  mesonotuni  without  furrows. 
Scutelluui  quadrate,  elevated  posteriorly,  the  anjjles  a<'utely  produced. 
Metaseutelluni  produced  into  a  larjje,  ere<'t  spine.  Metathorax  ridged 
At  the  sides  with  the  angles  toothed.  Wings  fuligiiu)us,  the  basal  one- 
third  yellow,  the  veinition  similar  to  iScelio.  Abdomen  elongate  oval, 
rugulose;  first  segment  transverse,  a  little  shorter  than  the  second; 
third  very  slightly  huiger  than  the  second;  fourth  very  slightly  shorter; 
ttfth  about  one-half  the  length  of  the  fourth;  the  following  very  short. 

Habitat.— Bogota. 

Type  in  the  Berlin  Museuu). 

Described  from  a  single  specimen. 

SFARASION  LatreiUe. 

Hist.  Nat.,  HI,  p.  SIH  (1802) ;  Fiirster  Hyiii.  Stud.,  il,  p.  101  (1856). 

(Type,  .S^. /ron/a/e  Latr.) 

Head  transverse,  or  subquadrate,witli  a  frontal  ledge  or  carina;  ocelli 
3,  in  a  triangle  but  widely  separated;  eyes  oval. 

Antennse  in  both  sexes  12-jointed,  inserted  just  above  the  clyi)eus, 
in  9  clavate,  the  funiclar  joints  submoniliform;  in  $  long,  subseta- 
ceous,  the  flagellar  joints  all  hmger  than  thick. 

Maxillary  palpi  elongate,  o-jointed;  labial  palpi  3  jointed. 

Mandibles  elongat-e,  bidentate,  the  teeth  subequal. 

Thorax  ovoid,  narrowed  into  a  little  neck  anteriorly;  prothorax  dis- 
tinctly visible  from  above,  dilated  at  sides;  mesonotum  usually  with 
2  furrows;  scutellum  large,  semicircular;  metathorax  with  the  angles 
produced  into  short  spines. 

Front  wings  with  the  submarguial  remote  from  the  costa  and  termi- 
nating in  a  small  stigma  from  which  issues  a  short  stignial  and  a  short 
postmarginal. 

Abdomen  long,  ovate,  depressed,  sessile,  the  sules  carinated,  in  9 
with  6,  ill  S  with  7  segments,  the  segments  nearly  equal. 

Legs  of  moderate  length,  pilose,  the  tibial  si)ur8  1,  2,  2,  the  claws 
simple. 

The  frontal  ledge  and  the  o-jointed  maxillary  palpi  readily  distinguish 
the  genus  from  Scelio,  while  the  differences  in  the  scutellum  and  post- 
scutellum  separate  it  from  Acanthoscelio. 

TABI-E   OF   SPECIES. 

Wings  iiiscons  or  fuliginotus 2 

Wings  hyaline. 
Scapulie  with  a  grooved  line  their  whole  length. 
Legs,  except  coxie,  honey-yellow;  flagellar  joints  after  the  first  twice  as  long 
as  thick iS.  famelicum  Say. 


238  Blir-I.ETIN    45,  UNITED   STATES   NATIONAL    MUSEUM. 

2  S<-iipiila>  without  a  grooveil  lino  or  only  Hligbtly  imliciited  at  tliu  mi<ltlle. 
L«>gH  black,  antt'i'ior  and  niiihlle  tibiii*  and  all  tar.si,  honey-yellow,  the  posterior 
tiliiii'  diiwky  at  tlic  middle. 
Frontal  It'dyo  broad,  on  tlie  same  jjlanc  with  the  vertex;  poRtHcutellum  toothed; 
pedicel  a  little ahortttr than  tirst  tla^ellar  joint;  tla^jellar  jointH  after 
the  first  only  a  littli^  longer  than  thick;  Hca])ul:c  iinpunctatc. 

S.  piloxiim  Ashni.,  sp.  n<iv. 

Frontal  ledge  not  so  broad  or  on  th»?  same  plane  with  the  vertex,  more  olditiiw; 

postscntelluiii  not  or  but  Hligbtly  tootiicd. 

Pedicel  much  shorter  than  the  first  tbigellar  Joint,  the  tbigellar  joints  after  tfie 

first  wider  than  long  (  9  );  the  flagellar  joints  after  tlm  first  more 

than  twice  as  long  iis  tliick  ( t?  ) S.  nigrum  Asliiii.,  sp.  nov. 

Pedicel  longer  than  the  tirst  flagellar  joint,  the  joints  beyond  al)out  as  long 
as  thick,  9  ;  ill  c?  the  pedicel  is  scarcely  half  the  length  of  first 
flagellar  joint S.  pacijuiim  Ashm.,  sp.  nov. 

Sparasion  famelicum  Say. 
Bos.  Jonr.,  i,  p.  276;  Lee.  Kd.  Say,  ii,  p.  223;  Cress.  Syn.  Hym.,  p.  248. 

9  .  Lenjjftb,  4.5" '".  Elongate,  blark,  subopaijue,  imiictate ;  head  with 
a  frontal  ridge,  rugose;  thorax  shining,  Avith  siuall,  rbiuided  punctures, 
the  parapsidal  furrows  distinct,  the  scapidje  with  a  lofigitudinal  grooved 
lifie;  seutelluin  margitied  posteriorly;  nietathorax  narrowed  towartl 
apex,  broader  at  base  than  long,  with  two  i)arallel  median  carinas  post- 
scutelluin  not  toothed,  the  posterior  angles  subprominent;  abdotnen 
as  long  as  the  head  and  thorax  together,  oblong-oval,  huigitudinally 
striated;  wings  hyaline,  the  venation  brown  bl.ick,  the  stigmal  veiti  etid- 
ing  in  a  knob  with  a  radial  ray  from  its  tip;  postmarginal  as  long  as 
the  stigmal;  legs,  except  the  black  coxte,  honey-yellow;  antennie  tili- 
forfii,  12-jointed,  fuscous,  extending  to  the  tix>  of  the  nietathorax. 

Habitat. — Indiana  and  Fort  George,  Fla. 

Described  from  a  single  specimen  taken  by  Dr.  E.  S.  Turner  at  Fort 
George,  Fla.,  and  which  I  think  without  douDt  is  this  long-lost  species. 

Sparasion  piloBiun  sp.  nov. 
(P1.X,  Fig.  7,  9.) 
S  9 .  Length,  4  to  5""".  Black,  shining,  very  pilose,  head  rugose 
from  large,  coarse  punctures;  the  ledge  very  broad,  on  the  same  plane 
with  the  vertex,  with  a  broad  sulcus  along  the  anterior  margin.  An- 
tenna; 12-jointed,  black,  the  pedicel  and  first  flagellar  joint  more  or 
less  piceous,  the  latter  in  9  one-third  longer  than  the  pedicel,  in  S  about 
equal,  the  joints  beyond  a  little  longer  than  thick.  Thorax  sparsely 
punctate,  the  parapsidal  furrows  distinct,  the  metathorax  rugose,  emar- 
ginate  behind  with  a  A-shaped  carina,  the  angles  slightly  prominent. 
Wings  fuscous,  a  little  paler  toward  base,  the  venation  black,  the  stigma 
quadrate,  black.  Legs  black,  the  tibiae  and  tarsi,  honey-yellow,  the  hind 
tibise  dusky  at  the  middle.  Abdomen  smooth,  shining,  longitudinally 
striate,  more  coarsely  striate  in  the  male. 

Habitat. — Nevada  and  Washington. 

Types  in  Coll.  Ashmead. 

Described  from  two  specimens. 


MONOCiBAPH  OF  TIIK  NORTH  AMElilCAN  Ptf(JCToTBVPIl)^.     239 

Sparasion  nigrum,  sp.  no  v. 

cJ  9  .  L«Mi};tli, .'?  to  .{.5""".  Very  clos*^  to  aV.  piloHum,  but  (luite  dis- 
tinct ill  the  very  short  frontal  le(l<;(',  and  in  its  aiitonnal  <liara<'ters. 
Tlu^  iedfjc  in  the  $  merely  a  slijjht  transverse  carina,  hut  in  the  9  it  is 
broader  and  sliyhtly  obliiiue,  the  head  rugose  but  still  not  so  coarsely 
rugose  as  in  ^S'.  piloHnm.  In  the  <?  the  auteiune  are  long,  tiliforin,  the 
l»«'dicel  less  than  half  the  length  of  the  first  flagellar  joint,  the  Joints 
beyond  more  than  twice  as  long  as  wide;  in  9  the  pedi<'el  is  shorter 
thiin  the  first  flagellar  Joint,  the  flagellar  Joints  after  the  first  distinctly 
wider  than  long.  Abdomen  in  S  o[>a(iue,  rugose,  the  rugosities  longi- 
tudinally directed;  in  9  shining,  i»un<-tate  and  striate. 

Habitat.— Pen  Mar,  Pa.,  and  Oakland,  Md. 

Types  in  Coll.  Ashmead. 

Sparasion  pacificum,  Hp.  nnv. 

■  ■$.  Length,  3  to  3.0""".  Black,  shining,  with  long,  sparse  hairs;  legs 
brownish-yellow,  pilose,  the  coxa'  and  femora  black;  head  rugose,  ante 
riorly  with  a  broad  s«!micireular  ledge,  margined  anteriorly  and  with 
a  curved  carina  at  base,  confoiining  to  the  <'urve  of  the  ledge.  Anten- 
na' 12-Jointed,  filiform,  black,  the  pedicel  and  two  basal  joints  of  flagel 
him,  brown  or  piceous;  first  flagellar  joint  in  S  twice  the  length  of  ped- 
icel, narrowe<l  toward  base,  the  joints  beyond  very  little  longer  than 
wide,  the  joint  ovate;  in  9  the  i)edicel  is  much  longer  than  the  first 
flagellar  Joint,  the  Joints  beyond  about  as  long  as  thick.  Thorax  with 
8i)arse  punctures,  the  collar  dilated  at  sides  to  teguhe,  rugose  anteri- 
orly ;  mesonotum  with  2  furrows,  ending  Just  before  reaching  the 
scutellum  ;  scutellum  subconvex,  margined  behind  and  with  some 
punctures  in  the  frenum ;  metathorax  rugose,  with  prominent  rounded 
angles.  Wings  fus.cous,  stigma  and  nervures  brown-black,  the  stig- 
nial  vein  slightly  curved,  ending  in  a  knob,  with  a  fuscous  ray  directed 
toward  the  apex  of  wing,  forming  a  long  open  marginal  cell.  Abdo- 
men oblong-oval,  smooth,  polished,  pilose,  the  second  and  third  sutures 
with  punctures  at  bottom,  the  segments  nearly  equal,  the  first  truncate 
and  carinated  at  base.  , 

Habitat. — California. 

Types  in  National  Museum  and  Coll.  Ashmead. 

Three  specimens  in  the  National  Museum  were  collected  in  August, 
by  Koebele,  in  Marion  County,  Cal. ;  another  in  the  Santa  Cruz  Moun- 
tains, while  my  collection  contains  but  a  single  specimen  from  Califor- 
nia, obtained  by  purchase.  • 

SCELIOMORPHA  Aslim.,  gen.  uov. 
(Type  S.  longicornia  Ashm.) 

Head  transverse  quadrate,  the  occiput  and  cheeks  margined ;  ocelli 
3,  large,  in  a  triangle,  the  lateral  not  touching  the  eyej  eyes  large, 
oval  or  rounded,  hairy. 


240  BULLETIN  fR,  UNITED   STATES   NATIONAL  MUSEUM. 

Anteunte  iu  S  subsetaceous,  12-joiiited,  the  flagellar  jointa  all  long 
cylindrical. 

Maxillary  palpi  long,  5-jointed ;  labial  palpi  S-jointed. 

Mandibles  arcuate,  3-dentate,  the  outer  tooth  large,  the  inner  two 
teeth  small,  equal. 

Thorax  ovoid,  the  prothorax  abruptly  truncate  before,  dilated  at 
sides ;  mesonotum  a  little  Avider  than  long,  with  two  deep  distinct  fur- 
rows ;  scutellum  large,  rounded  behind ;  nietathorax  rounded  behind, 
the  angles  prominent. 

Front  wings  as  in  Sparasion. 

Abdomen  fusiform,  depressed,  sessile,  the  sutures  of  the  segments 
deep,  the  segments  themselves  nearly  equal  in  length. 

Legs  much  as  in  Sparasion,  the  tibial  spurs  being  1,  2,  2,  but  the  hind 
femora  are  much  more  swollen. 

This  genus  agrees  more  closely  with  Sparasion  than  any  other  genus, 
and  like  that  it  is  very  hairy;  but  the  absence  of  the  frontal  ledge,  the 
more  distinctly  pilose  eyes,  longer  antennie,  and  the  swollen  posterior 
femora  separate  it  at  once. 

Sceliomorpha  longicomis,  sp.  nov. 

(PI.  X,  Fig.  8,  ^.) 

S  .  Length,  3.5""".  Black,  closely,  rather  coarsely,  punctate,  pilose; 
legs,  except  coxa",  reddish-yellow ;  wings  fuliginous ;  antennai  12-jointed, 
long,  flliform,  tapering  to  a  point,  extending  to  the  middle  of  the  abdo- 
men; the  pedicel  annular,  piceous;  flagellar  joints  after  the  first  about 
3 J  times  as  long  as  thick,  the  second  slightly  emarginate  at  base; 
abdomen  striate  and  punctate,  as  in  Sparasion. 

Habitat. — Santarem.     (Herbert  Smith.) 

Type  in  Coll.  Ashmead. 

(?)  Sceliomorpha  bisulca,  gp.  nov. 

$  .  Length,  3.4 '"".  Brown-black,  finely  rugose,  sparsely  pubescent; 
scut<41uni  and  abdomen  longitudinally  lineatedly  rugose ;  antenna?  red- 
dish-yellow, the  club  brown;  legs,  except  black  coxa',  brownish-yellow 
or  reddish-yellow.  Head  transverse,  reticulately  rugose;  the  occiput 
roundly  emarginate,  not  margined ;  the  face  subconvex ;  the  cheeks  short, 
margined.  Eyes  ovate.  Mandibles  small,  triangular,  rugose.  An- 
teimse  12-joiiited,  very  short,  the  scape  reaching  only  a  little  beyond  the 
middle  of  the  face;  i)edicel  longer  than  the  first  and  second  funiclar 
joints  united ;  all  funiclar  joints  transverse ;  club  wider,  the  joints  trans- 
verse. Pronotum  produced  into  a  collar  anteriorly;  mesonotum  with 
2  distinct  furrows;  scutellum  semicircular  margined  behind;  meta- 
thorax  closely  punctate,  with  a  median  furrow,  the  angles  straight,  but 
not  prominent.  Wings  subfuscous,  the  marginal  vein  ending  in  an 
oblique  stigma.  Abdomen  fusiform,  depressed,  sessile;  the  first  and 
second  segments  about  equal,  half  the  length  of  the  third;  third  and 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     241 

fourth  equal,  one- third  shorter  than  the  second;  fifth  and  sixth  very 
short;  venter  shining,  faintly  lineated. 

Habitat. — Texas  and  Florida. 

Types  iu  National  Museum  and  Coll.  Ashmead. 

The  specimen  in  the  National  Museum  is  iu  the  old  Belfrage  collec- 
tion, while  that  in  my  own  collection  was  captured,  by  mys<ilf,  holding 
on  to  the  elytron  of  a  short- winged  locust,  evidently  with  the  intention 
of  finding  out  where  the  eggs  were  to  be  deposited.  The  joints  of  the 
palpi  could  not  be  counted,  and  I  do  not  feel  certain  that  the  insect 
belongs  in  this  genus. 

SCELIO  Latreille. 

Hist.  Nat.,  XIII,  p.  226,  (1805);  Fiirster  Hym.  Stud.,  n,  p.  102. 

Caloptenobia  Riley,  First  Rep.  U.  S.  Ent.  Comm.,  p.  306. 

(Type  S.  rugulosus  Latr). 

Head  transverse,  or  subquadrate,  the  vertex  broad,  the  occiput 
somewhat  excavated  and  rounded;  ocelli  3,  in  a  triangle,  the  lateral 
being  clo.se  to  the  eye;  eyes  ov.al  or  ovate. 

AntenufB  inserted  close  to  the  clypeus,  in  5  short,  fusiform,  sub- 
compressed,  12-jointed,  the  6  terminal  joints  forming  a  large  club,  the 
funiclar  joints  moniliform;  in  3  10-joiuted,  short,  subclavate,  the  joints 
short,  submoniliform. 

Maxillary  iialpi  very  short,  inconspicuous,  3-jointed;  labial  palpi 
3-jointed. 

Mandibles  long,  arcuate,  bidentate,  the  teeth  subequal. 

Thorax  ovoid,  the  prothorax  visible  from  above  only  at  the  dilated 
sides;  mesonotam  subcanvex,  broad,  usually  without  furrows,  rarely 
with  distinct  furrows;  scutellum  semicircular;  metathorax  short  with 
the  hind  angles  acute. 

Front  wings  with  the  submarginal  vein  remote  from  the  costal  edge 
and  terminating  in  a  stigma,  with  or  without  a  stigmal  vein ;  sometimes 
there  issues  from  tlic  tip  of  the  stigmal  vein  another  delicate  nervure 
that  extends  forward  and  forms  a  long,  narrow,  open  marginal  cell. 

Abdomen  sessile,  long-ovate,  or  fusiforju,  depressed,  the  sides  acutely 
margined,  in  9  <>,  in  S  7  jointed. 

The  segments  after  the  first,  which  is  short  and  campanulate,  nearly 
of  an  equal  length,  the  third  usually  the  longest. 

Legs  of  moderate  length;  all  femora  and  anterior  tibije  clavate,  mid- 
dle and  posterior  tibite  subclavate;  the  tibial  spurs  1,  1,  1,  distinct; 
basal  joint  of  hind  tarsi  not  more  than  thrice  as  long  as  the  second ; 
claws  simple. 

The  peculiar  venation,  the  short,  3  jointed  maxillary  palpi,  the  short, 
fusiform,  subcompressed  antenna*,  and  the  male  having  but  10-jointed 
antenna)  readily  distinguish  the  genus. 

21899— No.  45 16 


242  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM.    ■ 

The  parasitism  of  several  of  the  species  is  known,  and  all  are  para- 
sites in  locust  eggs,  belonging  to  the  family  Acridiidje. 

Some  of  the  species  bear  a  remarkably  close  resemblance  to  the 
Eiirytomin.T.  in  the  family  Chalcididse;  and,  this  remarkable  mimicry 
caused  Dr.  Riley  to  erect  a  new  genus,  Caloptenobia,  in  tliat  family  for 
the  reception  of  a  species  of  SceliOj  reared  by  Mr.  Samuel  H.  Scudder 
from  the  egg6  of  a  locust  found  in  Massachusetts. 

TABLE  OF  SPECIES. 

Species  with  parapsidal  furrows  more  or  less  distinct 8 

Species  without  parapsidal  furrows,  coarsely  reticulately  rugose. 

Coxse  aud  legs  pale  brownish-yellow 2 

Coxie  black  or  brown-black ;  rest  of  legs  brownish-yellow. 
Wings  fuscous  with  a  stigmal  vein  and  a  radius. 

Scape  and  pedicel  brownish-yellow,  the  Hagellum  brown-black ;  teguhe  rufous. 

S.  Fi'sciPENNis  Ashm. 
Wings  hyaline ;  no  stigmal  vein  and  radius. 

9  with  the  scape  beneath  pale;  pedicel  ^  longer  than  the  first  flagellar  joint; 
second,  third,  and  fourth  flagellar  joints  very  short  transverse,  the 
third  a  little  the  longest,  2^  times  wider  than  long. 
^  with  the  scape  dark  brown,  flagellar  joints,  except  first  and  last,  about  e([ual 
in  length  and  width,  the  third  scarcely  wider  than  the  fourth. 

S.  IIYALINIPENNIS  Ashui. 

2.  Stigma  with  a  stigmal  vein. 

Scape  and  pedicel  yellowish,  the  flagellum  brown-black,  the  first  flagellar  joint 
shorter  than  the  pedicel. 
Venter  distiuctly,  coarsely  striate,  but  not  punctured  9  ;  venter  with  oblong 
punctures,  the  surface  acicnlated,  antennie  pale  brownish,  the  third 

flagellar  joint  much  wider  than  the  others  <J 8.  ovivoRUS  Riley. 

Stigma  without  a  stigmal  vein. 

9  unknown.     <?  with  the  third  flagelhir  joint  wider  than  either  the  second  or 
fourth;  venter  distinctly  striated. 
Antennso  brown- black;  scape  brownish-yellow ;  wings  hyaline. 

S.  PALTJDirES,  sp.  nov. 
Antennpp  wholly  brownish-yellow ;  wings  subfuscous. . S.  pai.lidicornis,  sp.  nov. 

3.  CoxiP  dark  brown  or  black;  rest  of  legs  browi^ish-yellow. 
Wings  hyaline;  no  stigmal  vein. 

Scape  and  pedicel  brownish-yellow S.  (KDIPOD.K,  sp.  nov. 

Antenna'  wholly  brown-black S.  opacus  Prov. 

CoxiB  and  legs  pale  brownish-yi'llow. 
Wings  hyaline  or  but  slightl.N  tinged. 
Stigma  without  a  stigmal  vein;  scape  and  pedicel,  aud  sometimes  the  first  two 
or  three  flagellar  joints  pale. 

Abdomen  mostly  rufous S.  HrFlVKNTRis,  sp.  nov. 

Abdomen  black,  the  venter  piceous S.  calopteni  Kiley. 

Stigma  with  a  short  stigmal  vein;  scape  alone  pale,  although  the  pedicel  and 
the  first  flagellar  joint  are  sometimes  pale  beneath. 
9  postscutellum  striate ;  abdomen  delicately  lougitndyially  striated,  the  ex- 
treme apex  of  the  segments  smooth  polished ;  angles  of  metathorax 

on  a  line  with  the  apex  of  the  metonotum S.  LUOGERi  Riley. 

9  postsoutellum  ])unctate;  abdomen  hmgitndinally  lineated,  the  venter,  ex- 
cept first  .and  second  segments,  smooth ;  angles  of  metathorax  rather 
prominent,  covered  with  a  white  pubescence.  .S,FtiOmpAJHU8,  sp.  nov, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     243 

..      Scelio  fuscipennis  Asbin. 
•  Ent.  Am.,  in,  p.  119;  Cress.  Syn.  Hyni.,  p.  314. 

$  9  .  Length,  3.5  to  5.3""".  Black,  coarsely  rugose,  the  parapsidal 
furrows  not  at  all  indicated;  scape,  i)edicel  and  legs,  except  the  coxae, 
brownish-yellow  or  reddish-yellow;  wings  fuscous,  paler  at  base, 
the  stigmal  vein  distinct  with  a  long  branch  forming  a  marginal  cell. 

Habitat. — Jacksonville  and  Fort  George  Island,  Fla. 

Types  in  Coll.  Ashmead. 

Common.    I  think  this  species  will  prove  to  be  a  parasite  in  the  eggs 
of  Dictyopterus  micropterus. 

Scelio  hyalinipennis  Ashm. 

(PI.  X,  Fig.  9,  9.) 

Eiit.  Am.,  Ill,  p  119;  Cress.  8yn.  Hyui.,  p.  314. 

$  9 .  Length,  4  to  4.5™".  Black,  conrsely  rugoso-punctate,  the 
mesonotum  without  tiace  of  furrows;  face  striate  above  insertion  of 
antenna  and  below  the  eyes.  Mandibles,  scaiie,  and  pedicel  beneath  in 
9,  and  legs,  rufous,  or  brownish-yellow;  c<  ..ein  $  black,  frequently 
pale  in  9  ,  or  only  dusky  or  blackish  basally.  Antennse  12-jointed, 
brown-black,  except  as  mentioned  above,  the  flagellum  fusiform,  de- 
pressed, the  pedicel  about  one-third  longer  than  the  first  joint,  the  sec- 
ond, third,  and  fourth  joints  very  transverse,  3  times  as  v  "  le  as  hmg; 
in  $  10-jointed,  flagellar  joints  2  to  7,  about  of  an  equal  length,  scarcely 
twice  as  wide  as  hmg,  the  third  but  little  wider  ihmx  the  fourth.  Wings 
clear  hyaline,  Avith  ouly  a  trace  of  the  submarginal  vein ;  stigma  present, 
the  submarginal  nervure  before  reaching  it  obsolete  or  subobsolete,  hya- 
line ;  no  trace  of  a  stigmal  nervure.  Abdomen  imbricato-rugose,  venter 
in  9  often  rufous. 

Habit A.T. — Jackscmville,  Fla. 

Types  in  Coll.  Ashmead  and  in  ^National  Museum. 

Scelio  ovivorus  Riley. 

Caloptcnohia  ovirora  Riley,  First  Rep.  I'.  S.  Eut.  Coimn.,  p.  306. 
ticelio  famelicuH  Riley,  nee.  Say.  Second  Rep.  l'^.  S.  Ent.  Comm.,  p.  270. 
iSce/jo  01  irora  Aahm.,  Eut.  Am.,  Ill,  p.  119. 

9  .  Length,  4.20""".  Black,  very  coarsely  rugoso-punctate,  the  meso- 
notum without  furrows;  there  is  a  large  polished  space  (m  face  above 
the  antenna',  and  on  either  side  coarse  strite  ccjuverge  toward  the  man- 
dibles; mandibles  ])ale  rufous.  Antenuic  12-jointed,  brown-black,  the 
scape  and  pedicel  pale  rufous  or  brownish-yellow;  pedicel  very  slightly 
longer  than  first  funiclar  joint.  The  thorax  is  very  coarsely  rugose,  the 
large  punctures  confluent;  scutellum  coarsely  rugoso-punctate;  meta- 
thorax  with  a  finer  vsculpture,  the  angles  dilated,  prominent  acute. 
Teguhe  yellowish.  Wings  subfuscous,  the  stigma  of  the  submarginal 
vein  large  with  a  stigmal  vein  and  a  ray  from  its  tip.  Legs,  including 
^11  coxaij  pale  yellowish.    Abdomen  fusiformj  the  dorsum  and  veuter 


244  BULLETIN    45,  UNITED   STATES   NATIONAL    MUSEUM. 

coarsely  longitudinally  striated;  the  first  segment  is  short,  transverse, 
very  little  longer  than  half  the  length  of  the  second ;  the  third,  the  longest, 
the  fourth,  a  little  shorter  than  the  third;  the  fifth,  about  as  long  as  the 
second;  the  sixth,  shorter. 

S  .  Length,  3.6""".  Head  and  thorax  coarsely  rugose,  the  latter 
without  furrows;  antenn.e  pale  brown,  10-jointed,  the  third  flagellar 
joint  longer  and  wider  than  the  others;  legs  brownish-yellow;  wings 
hyaline,  the  subniarginal  vein  terminating  in  a  rounded  stigma  with  a 
short  stignial  vein;  abdomen  distinctly  striated,  the  apical  edges  of  the 
segments  smooth,  impunctate. 

Habitat. — Massachusetts. 

Tj-pes  in  !Kational  Museum. 

Described  from  3  9  specimens,  now  in  i>oor  condition,  reared  by  Samuel 
H.  Scudder  from  the  eggs  of  Dissosteira  can  Una. 

Scelio  pallidipes,  sp.  nov. 

$ .  Length,  3.2""".  Head  and  thorax  coarsely  rugose,  the  latter 
without  parapsid.al  furrows.  Anteuiiie  brown-black,  scape  brownish, 
the  third  flagellar  joint  much  wider  than  the  others,  twice  as  wide  as 
long.  Angles  of  raetathorax  rounded,  not  prominent.  Wings  clear- 
hyaline,  the  submarginal  vein  and  the  stigma  ^lyaline,  scarcely  appar- 
ent; no  stigmal  vein.  Legs  wholly  brownish-yellow.  Abdomen  stri- 
ated, the  first  segment  quadrate,  separated  from  the  second  by  a  strong 
constriction ;  venter  distinctly,  but  not  coarsely,  striated. 

HABITAT. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

The  wholly  brown-black  flagellum  and  the  difference  in  the  metjitho- 
racic  angles  separate  the  species  from  S.  pallidicornis,  the  only  species 
with  which  it  would  be  apt  to  be  confused. 

Scelio  pallidicornis,  8p.  nov. 

$.  Length,  4.1°"".  Black,  coarsely  rugose;  antenna? i^ale  or  brown- 
ish-yellow, the  pedicel  shorter  than  the  first  flagellar  joint,  the  latter 
obconical  and  the  longest  joint;  the  third  joint  the  widest,  about  H 
times  as  wide  as  long,  or  only  slightly  wider  than  the  following  joints. 
Angles  of  metathorax  somewhat  prominent,  covered  with  a  whitish 
pubescence.  Wings  subfuscous,  hyaline  at  base,  the  stigma  without 
a  stigmal  vein.  Legs  wholly  brownish-yellow.  Abdomen  above 
coarsely  striated,  and  with  dilated  punctures ;  beneath  smoother, 
shining,  but  longitudinally  striated,  the  striae  faint  or  indistinct  beneath 
the  lateral  carina. 

Habitat. — Jacksonville,  Fla. 

TyjMi  in  Coll.  Ashmead. 

The  large  size,  pale  antenna',  and  color  of  wings  at  once  separate  the 
species  from  the  others  described  here. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     245 
Scelio  cedipodee,  sp.  nov. 

$  9  .  Length,  3.5  to  4""".  Black,  rugose;  scape,  pedicel,  and  legs, 
except  the  coxie,  brownish -yellow;  thorax  with  parapsidal  furrows 
distinct,  in  female  wanting  anteriorly;  teguhe  piceous;  wings  hyaline, 
the  stigma  reaching  tlic  costa;  the  stigmal  vein  wanting,  or  only 
slightly  developed;  metathorax  truncate  behind,  the  angles  straight, 
not  prominent;  abdomen  longer  than  the  head  and  thorax  united, 
striated;  first  segment  well  separated  from  the  second  by  a  strong  con- 
striction, twice  as  wide  as  long. 

The  antenna?  in  the  male  are  brownish,  the  face  vertically  striated, 
the  femora  brownish,  the  tibiic  and  tarsi  yellowish. 

Habitat. — Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Described  from  1  i  and  2  9  specimens,  reared  from  the  eggs  of  a 
species  of  Oedipoda.  The  black  coxje  and  the  distinct  parapsidal  fur- 
rows at  once  separate  the  species  from  Scelio  ovivorus  liiley,  and  the 
grooved  mesoncjtum  from  8.  hyaUnipennls  Ashm.,  the  rugosities  being 
finer  than  in  either  of  these  species. 

Scelio  opacuB  Prov.    ■ 

Acei'oia  opaca  Prov.,  Add.  ct  Corr.,  p.  184;  Cress.  Syn.,  p.  249. 
$  .    Length,  3.25""".    Black,  opaque,  with  the  feet  red,  more  or  less 
dusky.    Head  and  thorax  rugoso-i^unctate,  the  abdomen  with  the  disks 
of  the  segments  longitudinally  aciculated.     Wings  hyaline.    Abdomen 
sessile,  the  first  segment  being  much  narrower  than  the  others.     ( Prov.) 
Habitat. — Cap  Rouge. 
Type  in  Coll.  Provancher. 

Unknown  to  me. 

[Since  this  was  written  a  male  Scelio,  labeled  '■^Accrota  opaca,  Type, 
Provancher'',  has  been  deposited  in  the  National  Museum  by  D.  W.  Co- 
quillett,  of  Los  Angeles,  Cal.,  and  I  have  in  consequence  merely  re- 
moved Provancher's  brief  description  from  the  genus  Acerota,  in  the 
subfamily  Flaty y aster itm,  to  its  proper  place  in  Scelio,  having  had  no 
time  to  draw  up  a  full  description.] 

Scelio  rufiventris,  sp.  nov.         -    •  ' 

5 .  Length,  3.5""".  Brown-black,  rugose,  the  abdomen  mostly  rufous, 
fuscous  above,  except  along  the  sides;  scape,  pedicel,  first  funiclar  joint, 
and  the  legs  pale  rufous.  Thorax  with  distinct  parapsidal  furrows. 
Teguhe  black.  Wings  hyaline,  the  stigma  without  a  stigmal  nervure. 
Funiclar  joints  after  the  first  very  transverse,  three  times  as  wide  as 
long,  the  pedicel  being  as  long  as  the  first,  second,  and  third  funiclar 
joints  united.    Abdomen  pointed-fusiform,  longer  than  the  head  and 


24G  BULLETIN   45,  UNITKD    STATES   NATIONAL   MUSEUM. 

thorax  together,  shagreeiied,  not  distinctly  striated,  the  venter  smooth, 
wholly  rufous ;  dorsum  with  a  rufous  streak  along  the  uuirgius. 

Habitat. — Fort  George,  Fla. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  by  Dr.  1'.  S.  Turner,  in  Au- 
gust, 1882. 

The  color  and  sculpture  of  abdomen  sufliciently  distinguish  the  spe- 
cies. 

Scelio  calopteni  sp.  iiov.,  Kiley. 

"  9  .  Length, .')  to  HA""".  Black,  rugose;  the  mesonotum  with  faint 
but  distinct  furrows.  Head  with  a  smooth,  shining  space  on  face  above 
the  antennae,  with  striae  on  each  side  converging  toward  mouth ;  man- 
dibles  pale  rufous;  antenna*  12-jointed,  brown-black,  the  scape  and 
pedicel  yellow;  pedicel  longer  tlian  the  first  funicular  joint,  the  joints 
after  the  first  very  transverse;  club  slightly  compressed  from  above, 
the  joints  closely  conjoined.  Thorax  with  the  teguhe  i)ale  rufous; 
wings  hyaline,  the  submargiiuil  vein  ending  in  a  rounded  stigma,  but 
withcmt  a  stigmal  vein ;  legs,  including  the  coxje,  pale  brownish-yellow. 
Metanotum  with  2  coniidete  longitudinal  subparallel  median  carina\ 
Abdomen  fusiform,  longer  than  the  head  and  thorax  together,  closely, 
hingitudinally  aciculate;  the  venter  piceous,  finely  aciculate  at  sides. 

"Described  from  many  9  specimens,  bred  June  27  and  July  3, 1883, 
from  the  eggs  of  Caloptenus  atlautis,  collected  by  self  and  A.  Koebele 
in  ilJew  Hampshire." — [From  Kiley's  MS.] 

Habitat. — Boscawen,  N.  H. 

Types  ill  National  Museum. 

This  species  is  closelj'  allied  to  8.  Luggeri,  and  may  be  but  a  variety; 
but  as  the  stigma  is  without  a  stigmal  vein  and  the  color  of  the  anten- 
nae is  slightly  different,  I  believe  it  to  be  a  distinct  species. 

Scelio  Luggeri  sp.  nov.,  Riley. 

"  9  .  Length,  3  to  3.2""".  Black,  rugose,  the  mesonotum  with  two 
furrows;  scape  and  legs,  including  coxa^,  brownish-yellow.  Head  with 
the  antennie  brown-black,  the  pedicel  distinctly  longer  than  the  first 
flagellar  joint,  joints  2  to  4  very  short,  transverse.  Metanotum  with  4 
complete  longitudinal  median  carinas;  wings  subfuscous,  paler  at  base, 
the  stigma  with  a  short  stigmal  vein.  Abdomen  fusiform,  about  one- 
third  longer  than  the  head  and  thorax  together;  longitudinally  acicu- 
late, the  apex  of  all  the  segments  with  a  smooth,  polished  space; 
venter  black,  aciculate  over  entire  surface. 

"Described  from  three  9  specimens,  reared  in  July,  S9,  from  the 
eggs  of  a  Caloptenus  sp.  by  Prof.  O.  Lugger." — [From  Kiiey's  MS.) 

Habitat.— Otter  Tail  County,  Minn. 

Types  in  National  Museum. 


MONOGRAPH  OF  TIIK  NORTH  AMERICAN  rROCTOTUYl'ID.E.     247 
Scelio  floridauus,  h]>.  ihiv. 

9  .  Length,  3  to3i"'".  Densely  bla<'k,  snbopatjne,  with  rather  coarse 
reticulated  jjunctures,  the  thorax  with  distinct  furrows,  the  postseu- 
telluni  highly  ridged.  Antennae  brown-black,  the  scape,  legs,  and 
mandibles,  yellow;  funiclar  Joints  transverse,  the  club  large  fusiform, 
wider  than  h)ng;  angles  of  metatliorax  prominent.  Wings  subhyaline, 
the  venation  yellowish,  the  submarginal  vein  ending  in  a  shght  stigma 
and  an  oblique  stigmal  vein,  the  latter  with  an  indistinct  radius. 
Abdomen  fusiform,  lineatedly  rugose;  tirst  segment  transverse-quad- 
rate of  an  equal  length  with  the  fifth,  the  second,  longer,  the  third, 
the  longest  segment,  the  fourth  shorter  than  third,  the  sixth,  sub- 
equal  with  the  fifth,  the  seventh  much  shorter;  the  venter  polished, 
tlie  segments  striated  towards  apex. 

Habitat. — Haw  Creek  and  Ja<;ks<mville,  Fla. 

Types  in  National  Museum  and  ('oil.  Ashmead. 

Subfamily  VI.— PLATY(^ASTP:RIN^. 

Head  transverse,  rarely  quadrate.  Ocelli  3,  triangularly  arranged. 
Mandibles  bifid  at  tips.  Maxillary  palpi  2-jointed;  labial  palpi  1- 
joiuted.  AntenniB  elbowed,  clavate,  most  frequently  10-jointed  in  both 
sexes,  rarely  8  or  9-jointed,  inserted  at  the  base  of  the  clypeus.  Pro- 
notum  never  very  large,  scarcely  visible  from  above,  mesonotum  most 
frecjuently  transverse,  with  or  without  furrows;  scutellum  variously 
shaped,  often  with  an  awl  shaped  tip  or  spined,  flat,  semicircular  or 
l)illow-shaped;  metatliorax  short,  with  a  median  sulcus.  Front  wings 
most  frecinently  entirely  veinless,  or  with  a  submarginal  vein  termi- 
nating in  a  stigma  before  attaining  the  costa,  the  basal  nervure  rarely 
present;  hind  wings  lanceolate,  veinless.  Abdomen  petiolate  or  sub- 
petiolate,  ovate,  oblong-oval  or  conic-ovate,  depressed,  very  rarely 
greatly  elongate,  usually  composed  of  6  visible  segments  and  always 
carinated  at  the  sides,  the  second  segment  the  longest.  Legs  long, 
the  femora  and  tibiae  clavate,  the  tibial  spurs  1,  1,  1,  the  tarsi,  except 
in  a  single  genus,  Tphetrachelua,  5-jointed,  the  claws  simple. 

A  very  large  and  extensive  grouj),  at  one  time  classified  with  the 
ScelionhKC,  but  readily  distinguished  by  the   10-jointed  clavat«  an 
tenuie,  the  2-joiuted  maxillary  palpi,  1-jointed  labial  palpi,  and  the 
bifid  mandibles;  the  wings,  except  in  a  few  genera,  being  entirely  vein- 
less and  wholly  diflFerent  from  the  Scelioninsv. 

The  group  is  divided  into  numerous  genera,  the  species  of  which  con- 
fine their  attacks  almost  exclusively  to  the  Dipterous  families  Cecido- 
myiidu'  and  Tipulidte,  the  only  records  conflicting  being  two  recorded 
by  Ratzeburg.  Platygaster  contorUcornis  Ratzb.  is  said  to  have  been 
bred  from  Tortrix  strobilana  and  P.  mucronatus  Ratzb.  from  Tortrix 
resinatia. 


248  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM. 

From  our  i)reaeiit  extensive  knowledge  of  the  rearings  of  the 
Platygasterids  it  is,  however,  quite  evident  that  these  reeords  are 
erroneous  and  these  Tortricids  nuist  have  been  accompanied  by  Dip- 
terous hirvic  overlooked  by  Ratzeburg. 

My  riniyijaHier  aphidis  is  recorded  from  an  Aphis  on  Chevopodium 
album,  but  we  know  now  that  some  Aphides  are  parisitized  by Cecido- 
myiids  and  this  apparent  discrejiancy  is  thus  explained.  The  species 
is  unquestionably  a  secondary  parasite  on  some  Cecidomyiid  infesting 
or  living  with  the  Ajihid. 

The  ^ejiusAmitus  Haldeman  (=Zacrita  Fiirster)  is,  however,  aj)par- 
ently  a  i)rinKiry  parasite  on  the  Aleyrodidw  a  family  of  H«)mopter(ms 
insects  allied  to  the  Coccida',  unless  the  Aleyrodidce  have  Dipterous 
parasites  not  yet  discovered. 

The  riatygasterina»  may  be  divided  into  two  tribes  as  follows: 

Anterior  wing  witli  a  distinct  clavate  .snbinarginal  vein..  ..Tribe  i. — Inostemmini. 

Anterior  wing  entirely  veinless,  nirely  with  indications  of  a  suiimaiginal  vein,  if 

present  very  short,  faint,  and  never  clavate Tribe  ii. — i'latygasterini. 

Tribe  I. — Inostemmini. 

In  this  tribe  but  seven  genera  are  known,  all  represented  in  our 
fauna,  and  distinguished  by  the  aid  of  the  following  table- 

TABLE   OF   GENERA. 

FEMALES. 

Tarsi  5-jointed 2 

Tarsi  4-jointed,  antennjB  8-jointed Iphetrachelus  Hal. 

2.  Antennae  10-jointed 3 

AntennjB  9-jointed Allotropa   Forster. 

3.  Wings  without  basal  and  median  veins 4 

Wings  with  basal  and  median  veins.  v     ^    ^      ., 

Mesonotum  with  faint  or  distinct  furrows. 

Antennal  club  3-jointed Metaclisis  Forster. 

Antennal  club  4-jointed Monockita  Forster. 

4.  Lateral  ocelli  nearer  the  apical  ocellus  than  to  the  inner  margin  of  eye. 

Mesonotum  without  or  with  delicate  furrows;  antennal  club  4-jointed. 

IsosTASius  Forster. 
Lateral  ocelli  nearer  the  inner  margin  of  eye  than  to  the  apical  ocellus. 
First  abdominal  segment  with  a  horn ;  mesonotum  with  faint  furrows. 

Inostemma  Hal. 
First  abdominal  segment  without  a  horn ;  mesonotum  with  distinct  furrows; 
antennal  club  4-jointed,  the  faniclar  joints  slender,  cylindric. 

AcEROTA  Forster. 

males. 


Tarsi  5-jointed -        2 

Tarsi  4-jointed;  mesonotal  furrows  distinct;  antennai  10-jointed,  with  whorled 

hairs Iphetrachelus  Hal. 

.  Antennae  10-jointed 3 

Antennae  9-joiuted,  with  whorled  hairs Allotbopa  Forster. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     249 

3.  Wings  without  1>asiil  atid  median  v»'iiis 4 

Wings  with  hasiil  and  median  veins. 

Mesonotum  Avith  2  iaint  furrows. 

Antenna^  Hubelavato  moiiiliform,  first  fiuiielar  joint  very  minnte, 
second  somewhat  larjjer,  th((  following  to  10th  larger,  gru<lii- 

ally  thickened,  the  hist  Lirger,  conical Metaclisi.s  Forster. 

Autenii  submoniliform,  first  fnniilar  Joint  very  minute,  second 
1  r,  thickened,  curved,  tht*  third  small,  triangular,  the  fol- 
ic      ug  except  the  last  transverse  nu)niliforni,  the  last  conical. 

MoNocRiTA  Fiirster. 

4.  Lateral  ocelli  nearer  the  apical  ocellus  than  to  the  margin  of  eye. 

Mesonotum  without  furrows Ist>STAKHs,  F<irster. 

Lateral  ocelli  nearer  the  margin  of  eye  than  to  the  apic-al  ocellus. 

Mesonotum  with  faint  furrows;  antenuie  mouiliform,  puhcscent,  the  first 
two  fuuitJar  joints  nearly  equal,  the  second  somewhat  curved, 
the  third  small,  triangular,  the  four  following  moiiiliform, 
the  last  conical Inostkmma  Hal. 

Mesonotum  with  2  distinct  furrows;  antcnmu  filiform,  pubescent,  the 
second  funiclar  joint  long,  cylindrical,  longer  than  the  first, 
the  third  shorter  than  the  first,  the  following  oval,  the  last 
about  thrice  as  hmg  as  thick Acerota  Fiirster. 

IPHETRACHELUS  Hali.lay. 
Ent.  Mag.,  in,  p.  27:5  (183fi) ;  Fiirster  Hym.  Stud.,  ii.  p.  106  (1856). 

(Type,  /.  lar  Hal.). 

Head  transverse,  the  frons  subcouvex,  smooth;  ocelli  3  in  a  triangle, 
the  lateral  close  to  the  margin  of  the  eye;  eyes  rounded. 

Antenna;  inserted  just  above  the  clypeus,  in  9  10-jointed,  very  long, 
the  terminal  joints  forming  a  club ;  scape  long,  subclavate,  funiclar  joints 
small,  moiiiliform;  in  3  9-jointed,  the  flagellar  joints  nodose-pedicellate, 
with  whorls  of  sparse  long  hairs. 

Maxillary  i>alpi  short,  2  jointed;  labial  palpi  1-jointed. 

Mandibles  bifid  at  tips. 

Thorax  oval,  the  prothorax  slightly  visible  from  above ;  mesonotum 
wither  without  furrows ;  scutellum  gibbous,  nearly  round;  metathorax 
short,  rounded  behind. 

Front  wings  ciliated,  the  submarj^inal  vein  ending  in  a  knob  a  little 
before  the  middle  of  the  wing. 

Abdomen  long  ovate,  subsessile,  subcouvex,  and  narrower  than  the 
thorax,  the  second  segment  very  large,  occupying  most  of  the  surface, 
the  following  segments  all  short. 

Legs  slender,  the  femora  subclavate,  the  tarsi  4jointed,  the  basal 
joint  of  hind  tarsi  about  as  long  as  all  the  others  together. 

The  4-jointed  tarsi,  and  the  9-jointed,  nodose-pedicellate  antenna;  of 
the  male  readily  distinguish  the  genus. 


250  BULLKTIN    jr.,  TNITKI)    STATF.S    NATIONAL    Ml'SKlJM. 

IphetracbeluB  americanus  AhImii 

(PI.  XI.  Fig.  1,  c?.)  . 

Proc.  Kilt.  S..r.  WuhIi.,  II,  p,  r.«,  1S90. 

i  .  Length,  O.O""".  IJlack,  shining,  delicately  niicroscopieally  punc- 
tate and  faintly  seiij-eon.s. 

Antennie  and  legs  uniformly  yellow.  Antenna;  nodose-pedicellate, 
with  whorls  ollong  hairs;  pedicel  rounded;  second  funiclar  joint  trian- 
gular. Thorax  somewhat  flattened  on  the  ilisk,  without  distinct  fur- 
rows, although  there  are  two  shallow  longitudinal  furrows  on  the  shoul- 
ders. Scutellum  semicircular,  subconvex,  separated  from  the  mesono- 
tum  by  a  delicate  transverse  grooved  line.  Teguhe  yellow.  Wings 
hyaline,  with  a  h)ng  fringe  at  apex,  the  submarginal  vein  jmle  yellow, 
knobbed  at  tip.  Abdomen  long,  oval,  snuM)th,  polished  and  black, 
except  the  first  segment,  which  is  yellow. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  taken  by  sweeping. 

AI.LOTROPA  Fr,rster. 

Hyin.  Stud.,  II,  p.  KM)  (1856). 

(Type  .1.  mecrida  Walk.) 

Head  transverse;  ocelli  'i,  the  lateral  rather  close  to  the  margin  of  the 
eye. 

Antennje  inserted  just  above  the  clypeus,  9-jointed  in  both  sexes,  the 
flagellar  joints  in  3  dentate,  verticillate;  scape  stout,  fusiform,  pedicel 
small,  globose,  in  9  clavate,  ending  in  a  4-jointed  club. 

Maxillary  palpi  2-jointed ;  labial  jialpi  1 -jointed. 

Thorax  ovoid,  the  mesonotum  with  2  faint  furrows;  scutellum  short, 
semicircular;  metathorax  short,  the  jiosterior  angles  subacute. 

Front  wings  pubescent,  the  submarginal  vein  short,  ending  in  a 
knob. 

Abdomen  long-ovate,  convex,  narrower  than  the  thorax,  the  first 
segment  short,  broad,  the  second  large,  the  following  very  short. 

Legs  moderate,  the  femora  clavate,  tibiie  and  tarsi  slender. 

This  genus  is  distinguished  at  once  from  all  the  other  genera  in  hav- 
ing 9-jointed  antennae  in  both  sexes. 

Allotropa  americana  Asbm. 

(PI.  XI,  Fig.  2,  9.) 

Can.  Ent.,  xix,  p.  125;  Cress,  Syn.  Hym.,  p.  248. 

9  .  Length  1.4'"".  Black,  closely  minutely  punctulate;  head  trans- 
verse, opaque,  the  lateral  ocelli  twice  their  width  from  the  margin  of 
the  eye;  mandibles  rufous;  antennsB  O-jointed,  ending  in  a  4-jointed 
club,  the  joints  serrate  toward  one  side;  8ca|)e  rufous;  pedicel  and 


MONOWKAPH  OF  TFIE  NOKTH  AMKKICAN  PKOCTOTRYPID.K.     251 

flap'lliiiu  (lark  brown;  first  jiinl  sccoiul  funicliir  Joint  aboti^  ('(juiil,  the 
tliird  triaiij^iilar  or  subtrianjjriilar.  Thorax  iiiit'ros«!0]>ira)ly  ]mnctat(*, 
but  shiiiiiigiii  the  mi(hlh',th(^  iiiesonotiuii  with  two<li.stiii«t  furrows;  scu- 
tolhini  tinoly  punctuhite,  opaque,  with  an  elevated  iuar;;iii  behind. 
Tejjuhe  black.  Winjjs  hyaline,  the  snbinarjjinal  vein  knobbed.  Lejfs 
reddish-yellow,  the  coxa?  <lusky.  Abdomen  <)bl<uij;-oval,  shininj;,  the 
])etioh^  and  second  sejiinent  at  base  striated  alon^  the  si(h's,  minutely 
inmctnlate,  above  smooth,  shinin{;(,  the  followinj;'  seji^na^nts  snbopa(|ne, 
very  finely  i)unetnlate. 

Habitat. — Jacksonville,  Fla. 

Ty])e  in  <'o11.  Ashniead. 

METACLISIS  F.'.rHtcr. 

llyiii.  «tu(l.,  II,  ]i.  nMi  (18.=>0). 

(Ty\t(i  M.  areolata  Hal.) 

Head  transverse,  broa<ler  than  the  thorax;  ocelli  3,  in  a  triangle, 
the  Literal  ocelli  alxmt  twi<*e  their  width  from  the  margin  of  the  eye; 
eyes  rounded. 

Antenna;  inserted  just  above  the  clypeus,  lO-jointed  in  both  sexes; 
in  the  $  not  half  the  length  of  the  body,  ending  in  a  o-jointed  club; 
fnniclar  joints  very  small,  transverse;  club  joints  large,  broad,  the  last 
conical,  somewhat  larger  than  the  i>enultimate;  in  S  moniliform,  incras- 
sated  toward  apex  and  longer  than  half  the  length  of  body;  first  flag- 
ellar joint  minute;  fcmrth,  moderate,  fifth,  and  following  to  the  ninth, 
larger  and  broader,  tenth,  conical,  much  longer  than  the  penultimate. 

Thorax  short,  ovate,  finely  scaly;  pronotum  short,  scarcely  visible 
from  above;  mesonotum  with  imlistinct  furrows;  s<mtellum  small,  t'  »t- 
tened,  semicircular;  metathorax  moderate. 

Front  wings  with  the  submarginal  vein  terminating  in  a  stigma,  the 
basal  nervure  distinct,  and  with  a  basal  cell. 

Abdomen  ovate  or  oval,  twice  the  Tength  of  the  thorax,  the  apex 
pointed,  fetylus-like  in  9  ;  first  segment  very  short;  second  very  large; 
third,  iburth  and  fifth  short,  about  equal;  fifth  about  as  long  as  seg- 
ments 3  4  and  ">  united;  sixth  shorter;  in  S  the  abdomen  is  scarcely 
longer  than  the  thorax. 

Legs  davate. 

This  genus  and  Monocrita  Fiirster  are  the  only  genera  in  the  family 
having  a  distinct  basal  nervure,  which  alone  is  sutticient  to  distinguish 
them  from  all  others.  The-  female  in  Metaclms  is  separated  from  Mono- 
crita by  having  a  3-jointed  autennal  club,  the  male  by  the  smaller 
second  funidar  joint. 

But  two  species  have  been  described. 


252  niLLKTIN   45,  TNITED   STATKH   NATIONAL    MUSEUM. 

Metaclisis  beloiiocnemae  AhIiiii. 

(I'l.  xr.  Fijj.  3,  9.> 

Can.  Knt.,  xix.  ]».  12r>9 .— CroHM.  Syii.  Hym.,  )>.  248. 

9,  Li'iijfth,  1.")""".  IMack,  i>i»a(nie,  cloHcly,  finely  i)unctate..  Lejxs 
and  antenna',  exi-ept  the  cliil),  i>ale  brownish  yelh)w ;  clftb  biown  black. 
Antenna^  10-j()inte<l,  the  Hciipe  thick,  clavate;  i)e(licel  longer  and  thicker 
than  the  first  funiclar  joint ;  first  and  second  funiclar  Joints  cylindric, 
eqnal  or  nearly  so,  tln^  first  very  slijjfhtly  the  lonf,'er;  third  and  fourth 
very  minute  transverse;  club  4 Jointed,  the  Joints,  except  the  last, 
transviM'se,  the  last  conical,  lonj;cr  than  the  jjreceding.  Parapsidal  fur- 
rows distinct.  S<'Utellnin  convex  with  a  carina  around  the  posterior 
margin.  Teguhe  <lark  brown.  Wings,  hyaline,  the  submarginal  vein 
yellowisli. 

Abdomen  oval,  as  h>ng  as  the  tlunax,  smooth,  shining,  exeept  the 
first  segment,  which  is  a  litth;  roughened  from  some  stria;. 

IIAKITAT. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

This  si>ecies  was  reared  by  myself  from  a  Cynipid  gall,  Belonocnema 
treniiv  JNIayr,  and  it  is  undoubtedly  i)arasitic  on  a  Cecidomyiid  inhabit- 
ing tiie  gall. 

Metaclisis  erythropus,  AHhin. 

C'iiu.  Knt.,  XX,  p.  51. 

$.  Length,  2.5""".  Black;  head  opaque,  coarsely  rugose  on  the 
vertex  and  cheeks;  face  transversely  aciculated,  with  a  central  de- 
pressed line  extending  forward  from  the  middle  ocellus.  Antenila; 
10-join ted,  black;  pedicel  as  long  as  the  second  funiclar  joint;  first 
funiclar  joint  small,  second  swollen;  club  G  jointed,  the  joints  longer 
than  wide,  subpedi(!ellate,  hairy,  the  last  joint  conical,  longer  than  the 
preceding.  Thoraxfmely  reticulated,  or  scaly;  parapsidal  grooves  dis- 
tinct, converging  and  meeting  nt  the  base  of  the  scutellum.  ]\[eta- 
tliorax  covered  with  a  sericeous  pubescence.  Legs  rufous,  the  coxse 
black.  Abdomen  black,  polished.  Wings  subhyaline  (i)robably  tinged 
from  the  cyanide  bottle),  faintly  jjubescent,  the  teguh'c  lufo-piceous. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  W.  Hague  Har- 
rington. 

MONOCRITA  Forster. 

Hym.  Stud.,  ii,  p.  106  (1856) 

(Typo  M.  atinas  Walk.) 

Head  transverse,  wider  than  the  thorax;  ocelli  3,  in  a  triangle,  the 
lateral  as  far  from  the  front  ocellus  as  to  the  eye  margin. 
Autennie  inserted  just  above  the  clypeus,  10-jointed  in  both  sexes, 


MONOORAPFI  OF  THE  NORTH  AMERICAN  I'ROCTOTRYPID.E      2o3 

in  9  toriniiiiitin^  in  a  4  jointed  club,  the  scape  slnuU'i,  pedicel  cyathi- 
forin,  first  tiiniclar  joint  small;  in  i  with  a  (J-jointed  tilitoiin  clnh,  the 
joints  slij^iitly  pedicellate,  oval,  tlie  last  Ion;;  conical;  the  first  tnniclar 
joint  ahont  twice  as  long  as  thick,  the  second  stonter,  obliquely  truncate 
at  tip  and  curved. 

Tiiorax  short,  ovoid,  convex;  prothorax  very  short;  inesonotuni  with 
distinct  but  deli«*ate  furrows;  scutelluiu  convex;  nietatliorax  short. 

Front  wings  pubescent,  ciliated,  the  subniarginal  vein  ending  in  a 
knob,  the  basal  nervure  distinct,  and  with  a  distinct  basal  cell. 

Abdomen  ovate,  convex,  slightly  shorter  and  narrower  than  the 
thorax;  first  segment  small,  the  second  very  large,  the  third  and  fol- 
lowing very  short. 

Legs  clavate,  the  tibial  spurs  weak,  the  basal  joint  of  hind  tarsi  twice 
the  length  of  the  second. 

The  two  species  in  our  fauna  may  be  thus  distiuguislie*!: 

Legs  black,  the  bead  anil  thorax  microscopically  shagreened. 

First  and  second  abdominal  scffnieiits  not  striated,  the  latter  hairy  at  base. 

M.  xiGKii'Es  Ashm. 
Legs  brownish-yellow,  the  head  and  thorax  smooth,  iiiii>nnctured. 

First  abdominal  segment  and  the  second  at  bade  striated,  not  hairy. 

M.  CARINATA,  sp.  UOV. 

Monocrita  uigripes  Ashni. 
Bnll.  No.  1,  Col.  Biol.  Assoc.,  p.  8,  1890. 

S.  Length,  1.80""".  Black,  subopaque,  with  a  fine,  granulated,  or 
shagreened  sculpture;  the  face  above  the  insertion  of  the  antenniB 
with  some  transverse  acic^ilations.  Antenuie  lO-jointed,  black,  the 
rtagellum  about  twice  the  length  of  the  scape,  pedicel  twice  as  long  as 
thick,  narrowed  at  base,  the  second  joint  minute,  the  third,  slightly 
swollen  outwardly,  the  following  joints  very  slightly  longer  than  wide, 
truncate  at  tips  and  rounded  oil"  at  base,  or  cup-shaped,  connected  by 
a  very  short  pedicel.  Parapsidal  grooves  distinct,  converging  and 
almost  meeting  posteriorly.  Scutellum  high  convex,  with  a  deep, 
transverse  depressi«)n  across  the  base.  ^lesopleura  smooth,  polished, 
with  a  curved  impression  across  the  disk;  metapleura  densely  covered 
with  a  griseous  pubescence;  the  metathorax  and  petiole  more  sparsely 
pubescent.  Legs  black,  the  knees  slightly,  anterior  legs  beneath,  and 
all  the  tarsi,  more  or  less  piceous,  or  reddish.  Abdomen  highly  polished, 
oblong  oval,  as  long  as  the  head  and  thorax  together,  the  petiole  not 
longer  than  wide,  the  second  segment  occupying  fully  three-fourths  of 
its  length,  smooth,  the  following  segments  exceedingly  short  and  about 
equal  in  length.  Wings  hyaline,  pubescent,  the  submargiual  and  basal 
veins  distinct,  the  former  knobbed  at  tip. 

HabitA'i      Greeley,  Colo. 

Tyije  in  Cull.  Ashmead. 

Nothing  is  known  of  the  habits  of  this  species,  which  was  obtained 
from  H.  F.  Wickliam. 


254  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

Monocrita  cariiiata,  .sp.  nov. 
(I'l.  XI,  Fig.  i,  9  .) 

9.  Length,  1.20'""'.  Black,  shilling,  snbi)ubescent;  head  transverse, 
the  face  with  a  central  longitudinal  caiina  extending  from  the  front 
ocellus  to  between  the  base  of  antenn;e.  Anteiiiiie  lOjointed,  the  scape 
yellow,  the  Hagelluin  brown  and  twice  tlie  length  of  the  .scai)e;  pedicel 
long-oval;  joint  1  of  funicle  small,  the  second  enlarged;  club  C-jointed, 
the  joints,  except  the  last  transverse-quadrate,  the  last  C()ne-shaped, 
slightly  more  than  twice  as  long  as  the  penultimate.  Thorax  with  the 
parapsidal  furrows  delicately  impressed  posteriorly,  obsolete  anteriorly. 
iScutellum  convex,  smooth,  with  a  carina  surrounding  the  hind  margin. 
Legs  brownish-yellow,  the  feinr)ra  and  tibiie  very  slightly  embrowned, 
the  eoxie  black.  Teguhe  piceous  black.  Wings  subhyaluie,  pubescent, 
the  subraarginal  vein  brown,  ending  in  a  large  rounded  knob  and  with 
a  distinct  basal  nervure.  Abdomen  oval,  smooth,  shining,  the  first  seg- 
ment and  the  second  at  base,  striated. 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  cai)tured  by  Mr.  E.  A.  Schwarz, 
May  o,  1890. 

ISOSTASIUS  F.lrster. 

(Type  Phttygaxter iiunct'nier  Nees), 

Hyiii.  Stud.,  II,  p.  1(X)  (185«). 

Head  transverse,  vertex  subconvex,  occiput  not  margined;  ocelli  3, 
in  a  triangle,  rather  close  together,  the  lateral  distai.t  from  the  mar- 
gin of  the  eye;  eyes  oval.  Antenna' inserted  Just  above  the  clyi)eus, 
lOJointed  in  both  sexes,  in  the  5  the  4  terminal  joints  forming  a 
large  club,  the  last  joint  of  which  is  the  largest;  pedicel  cyatijiform, 
nnich  larger  than  the  first  funiclar  joint;  the  four  funidar  joints  are 
all  small,  moniliform;  in  $  with  a  a-jointed  club. 

Thorax  ovoid,  the  pnjthorax  visible  from  above,  nmnded  befcne; 
mesouotum  smooth  or  puictate,  with  or  with(mt  furrows;  the  scntellnm 
rather  high,  cusliionshape<l  or  convex,  separated  at  base  from  the 
mesonotum  by  a  deep  transverse  furrow;  metathorax  very  short. 

Fr(mt  wings  with  the  submarginai  vsiu  terminating  in  a  small  knob 
before  reaching  half  the  length  of  the  w'ng. 

Abdomen  in  9  conical-ovate,  O-jointed;  in  <J  oval,  7-jointed,  the 
basal  segment  short,  broader  than  long,  the  second  very  long  and 
occupying  fully  two-thirds  of  tlie  whole  surface,  the  following  very 
short. 

Legs  clavate,  the  tibial  spurs  1,  1, 1,  the  tarsi  r»-joiuted,  the  basal  joint 
of  posterior  tarsi  2A  times  as  long  as  the  second,  or  less  than  thrice  as 
long,  2  to  4  subequal,  the  last  a  little  longer  than  the  second. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     255 

Isostasius  musculuB  Ashm. 

(PI.  XI,  Fig.  5,  ?.) 

Cau.  Ent.,  xix,  p.  126;  Cress.  Syn.  Hyiii.,  p.  249. 

?  .  Length,  1.20""".  Black,  sbiiiiug;  lieatl  transverse,  closely,  finely, 
microscopically  punctate  and  subopaque,  the  lateral  ocelli  nearer  to  the 
front  ocellus  than  to  the  margin  of  the  eye.  Antenmv  10-Jointed, 
piceous,  or  dark  hi  >\vn,  the  scape  davate,  the  i)cdicel  longer  and 
thicker  than  the  first  two  fnniclar  joints,  the  first  and  second  fnniclar 
joints  cylindric,  nearly  equal,  the  third  and  fourth  small,  transverse; 
club  enlarged,  4  jointed,  the  joints  quadrate.  Thorax  with  scarcely  a 
trace  of  furrows.  Scutellum  transverse,  convex.  Mesopleura  acicu- 
lated.  Legs  brown,  the  coxfe  black,  the  trochanters,  base  and  apex  of 
femora,  and  tibia;  and  all  tarsi  honey-yellow.  Tegula'  black.  Wings 
hyaline,  the  submarginal  vein  terminating  in  a  small,  blai^k  knob. 
Abdomen  jminted  ovate,  polished,  black,  the  basal  segment  rugose. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Isostasius  fuscipennis,  sp.  nov. 
9.  Length,  1""".  Black,  shining;  head  anteriorly  faintly  sha- 
greened,  posteriorly  transversely  aciculated,  the  lateral  ocelli  about 
twice  their  width  from  the  margin  of  the  eye.  Antennte  brown-black. 
Thorax  polished,  with  faint  traces  of  furrows  only  posteriorly,  the  base 
of  the  middle  lobe  thus  formed  projecting  slightly  upon  the  scutellum ; 
mesopleura  polished,  impunctured,  metapleura  subopaque,  sha- 
grcened;  scutellum  convex,  shining,  margined  posteriorly  with  a  tine 
whitish  pubescence.  Teguhv  black.  Wings  fuscous.  Legs  piceous, 
the  anterior  femora,  tibise,  and  tarsi,  yellowish;  middle  and  hind  tarsi, 
pale  rufous. 

Abdomen  as  long  as  the  head  and  thorax,  polished,  the  first  seg- 
ment striated,  the  second,  at  base  sulcate. 

Habitat. — Washington,  D.  C. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  si>ecimen,  collected  by  Mr.  E.  A.  Schwarz. 

Isostssius  arietinus  Prov. 

Afld.et  Corr.,  p.  183. 

liaoneiira  arielina,  Prov.,  Add.  et  Corr.,  p.  403. 

$  .  Long.  11  pee.  Noir,  avec  la  bonclie,  le  scape  des  antennes  et  les  pattes,  d'nn 
beau  jauue-iuiel.  T^te  aussi  large  que  le  thorax,  A.  antennes  fortes,  le  scape  fort, 
arcine,  jaune  aiii.si  que  I'article  qui  Ic  suit,  le  teste  formaut  une  forte  niassne  brune 
recourbde  en  corne  de  bolier.  Mesonotum  a\  ec  3  sillons  bien  distincts.  Ailes  hya- 
lines, avec  la  sous-niarginale  brune  se  term  in  ant  dans  un  stigma  grand  et  (^paissi  qui 
donue  naissance  ^  un  radius  se  dirigcaut  vers  le  sommet  de  Tailc.  Pattes  jaunes, 
hauches  noires.  Al>doun"U  sessile,  i>o!i,  l>rillant.  droit,  tarii-re  non  sortaute.  La 
tete  et  le  thorax  sont  trcs  Hncment  punctuf's  et  les  2  ocelles  basilaires  sout  plus  rap- 
proclics  de  l'<apical  que  du  coin  interne  ties  yeux.     {Provancher.) 

Habitat. — Cap-Rouge,  Canada, 
Unknown  to  me. 


256  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

INOSTBMMA  Ilaliday. 

Ent.  Mag.,  i,  p.  270  (1833) ;  Forster,  Hym.  Stud.,  ii,  p.  107  (1856). 
(Typo  /.  liosdi  Jurine.) 

Head  transverse,  the  Irons  convex,  the  occiput  often  impressed,  rarely 
distinctly  margined;  ocelli  3  in  a  triangle,  the  lateral  being  nearer  to 
the  margin  of  the  eye  than  to  the  front  ocellus;  eyes  rounded. 

Autenntie  inserted  just  above  theclypeus,  10-jointed,  the  scape  clavate, 
in  the  9  terminating  in  a  4-jointed  club,  in  $  with  a  5-jointed  club,  the 
last  fuuiclar  joint  very  minute. 

Thorax  ovate,  the  mesonotum  with  U  delicate  impressed  lines,  often 
obsolete  anteriorly;  the  scutellum  semicircular,  subconvex,  separated 
from  the  niesonotum  by  a  straight  impressed  line ;  the  metathorax  short, 
slojiing,  unarmed. 

Front  wings  with  the  submarginal  vein  abruptly  terminating  in  a 
stigma  before  attaining  the  middle  of  the  wing. 

Abdomen  in  9  ])ointed-ovate,  subcompressed  below,  G-jointed,  the  first 
segment  always  with  a  horn  extending  forward  over  the  thorax,  the 
second  very  long,  the  following  very  short,  about  equal  in  length;  in  S 
shorter,  oblong  oval,  with  the  tip  rounded,  7  jointed. 

Legs  clavate,  the  tibial  spurs  1, 1, 1,  the  basal  joint  of  posterior  tarsi 
about  three  times  as  long  as  the  second,  2  to  4  subequal,  the  last  as  long 
as  the  second. 

The  horn -like  structure  at  the  base  of  the  abdomen  renders  the  females 
in  this  genus  easy  of  recognition,  while  in  the  males  the  position  of  the 
ocelli  and  the  antenna^  must  be  carefully  examined  or  they  will  be  apt 
to  be  coMfu>sed  with  those  in  closely  allied  genera. 

TABLE  OF  SPECIES. 

FKMALES. 

Head  finely  nii(Tosco])ically  punctate,  the  thorax  smooth,  Hhinmg 2 

Head  and  thorax  jmnctnlate  or  Khagreened,  8u)io[)a(jiie. 
Vertex  impressed  at  the  middle,  Irons  with  a  median  furrow. 
Antenna-  wholly  hlack. 
All  eoxa^  and  femora  blaek  (femora  sometimes  piceons),  tibia;  and  tarsi  yellow- 
ish or  brownish-yellow. 
Scapuhe  with  a  distinct  median  impressed  line;  metapleura  with  silvery 

pubescence I.  ckessom  Ashni. 

Scapuhe  without  an  imiiressed  line;  tibiie  fuscous;  metapleura  sericeous 

I.  UORNI  Ashm. 
Vertex  not  impressed. 

Scape  yellow. 

All  coxa'  black,  club  of  femora  fuscous,  rest  of  the  legs  brownish-yellow. 

Scapulw  without  an  impressed  line,  abdominal  horn  extending  only  to  the 

middle  of  thorax I.  packardi  Ashm. 

2.  Vertex  not  impressed  in  the  middle,  frous  without  a  median  furrow. 

Antennae  brown-black. 

CoxiP  and  legs  dull  rufous  or  piceous,  trochanters,  knees  and  tarsi  pale. 

Metapleura  finely  striated,  subsericeous I.  kileyi  Asbm. 


'     MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID/E.     257 

Vertex  impressed  in  the  middle,  frons  with  a  medial  furrow. 
CoxiB  black,  legs  dull  rufous,  base  of  tibiaj  and  tarsi  yellow. 

Metapleura  very  rough I.  californica,  sp.  nov. 

Motapleura  smoother,  but  delicately  punctate,  with  a  deep  sulcus. 

I.  LINTNEUJ,  sp.  nov. 

Inostemma  Cressoni  Ashm. 

(PI.  XI,  Fig.  6,  9.) 

Can.  Ent.,  xix,  p.  127 ;  Cress.  Syn.  Hym.,  p.  249. 

9  .  Length,  2  to  2.2""".  Black,  subopaque,  minutely  puuctulate  or 
sbagreened ;  head  transverse,  the  vertex  at  tlie  middle  and  posteriorly 
impressed,  the  face  with  a  median  depression  above  the  insertion  of  the 
antennae,  the  lateral  ocelli  touching  the  border  of  the  eye.  Antenna} 
black  or  brown-black,  the  extreme  apex  of  the  pedicel  yellowish,  first 
two  funiclar  joints  slender,  cylindrical,  the  third  and  fourth  small;  club 
4-jointed,  the  second  and  third  a  little  longer  than  wide,  the  last  con- 
ical. Thorax  with  delicate  but  complete  parapsides,  the  middle  lobe 
a  little  concave  at  the  middle  for  the  reception  of  the  abdominal  horn, 
the  scapulae  with  a  longitudinal  grooved  line;  mesopleura  faintly  acic- 
ulated,  deeply  foveated,  the  fovea  extending  from  beneath  the  tegula?  to 
between  the  middle  and  hind  cox*,  metapleura  with  a  whitish  or  sil 
very  pubescence.  Legs  black  or  piceous,  the  tibiae  and  tarsi  pale  brown 
or  yellowish.  Wings  hyaline,  the  tegulae  rufo  piceous.  Abdomen  pol- 
ished, shining,  longer  than  the  head  and  thorax  together,  i)ointed  and 
curving  upward  at  tip,  the  horn  long  and  extending  forward  over  the 
thorax  to  the  vertex  of  head,  second  ventral  Segment  with  2  aciculated 
sulci  at  base. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

InoBtemma  Homi  Ashm. 
Can.  Ent.,  xix,  p.  126;  Cress.  Syn.  Hym.,  p.  249. 

S  $  .  Length,  1  to  1.4""'.  Black,  subopaque,  closely,  finely  punctu- 
late,  the  thorax  above  lustrous;  head  transverse,  the  vertex  impressed 
deeply  at  the  middle,  the  face  with  a  median  impressed  line.  Antennae 
black,  the  pedicel  and  first  two  funiclar  joints  a  little  pale  at  tip,  sub- 
equal,  the  third  and  fourth,  minute;  club  4-jointed,  the  second  and 
third  joints  a  little  wider  than  long.  Thorax  with  complete  parapsidal 
furrows,  the  scapuliB  most  frequently  without  a  trace  of  an  impressed 
line;  mesopleura  polished,  foveated  but  not  aciculated;  metapleura 
pubescent.  Legs  black  or  i>iceou8,  the  tarsi  yellowish,  the  tibiae  paler 
basally;  wings  hyaline,  the  teguhe  black  or  piceous.  Abdomen  pol- 
ished black,  as  long  as  the  head  ami  thorax  together,  the  horn  extend- 
ing over  the  thorax  to  the  vertex  of  head, finely,  longitudinally  acicu- 
lated and  much  thicker  at  tip  than  at  base ;  first  segment  and  second 
at  base,  striated. 

21899— No.  45 17 


258  BULLETIN    45,  UNITED    STATES    NATIONAL    MUSEUM. 

In  the  i  the  tirst  aud  second  funiclar  joints  are  about  equal,  oval,  the 
third  small,  the  club  5-jointed,  pubescent,  the  joints,  except  the  last, 
not  longer  than  wide,  slightly  pedicellate;  lateral  ocelli  about  their 
width  from  the  eye  margin ;  while  the  second  abdominal  segment  at 
base  has  two  oblong,  nearly  confluent,  finely  punctate  foveaj,  the  first 
segment  with  three  grooved  lines  above. 

Habitat. — Ja(;ksouville,  Fla. 

Types  in  Coll.  Ashmead. 

Described  from  many  specimens. 

Inostemma  Packard!  AHhm. 
Can.  Ent.,  xix,  p.  127;  Cress.  Syn.  Hym.,  p.  249. 

9  .  Length,  1.4''"".  Black,  subopaque,  closely,  finely  punctulate  or 
shagreened.  Head  transverse,  the  vertex  not  impressed,  the  lateral 
ocelli  not  touching  the  margin  of  the  eye.  Antenute  10-jointed,  brown- 
black,  the  scape  yellowish,  fuscous  at  the  middle,  the  pedicel  yellowish 
at  tip;  first  two  funiclar  joints  about  equal,  shorter  than  the  scrape, 
third  and  fourth  minute,  club  i-jointed,  stout.  Thorax  shining,  the 
parapsidal  furrows  very  indistinct  anteriorly,  the  scapulse  without  a 
distinct  impressed  line.  Wings  hyaline.  Legs  brownish-yellow,  the 
coxa'  black,  the  tliickened  i>art  of  femora  fuscous.  Abdomen  not  longer 
than  the  head  and  thorax  together,  the  horn  not  extending  much  be- 
yond the  middle  of  the  thorax,  oblicjuely  truncate  at  tip,  basal  segment 
and  the  second  at  extreme  base  finely  striated. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen.  Tlie  short  abdominal  horn  and 
the  lateral  ocelli  not  touching  the  margin  of  the  eye  readily  separate 
the  species. 

InoBtenima  Rileyi  Ashm. 

Can.  Ent.,  xix,  ]».  127;  Cress.  Syn.  Hym.,  p.  249. 

S  9.  Length,  0.5  to  0.8""".  Black,  polished;  the  head  finely  micro- 
scopically punctate,  but  shining,  the  vertex  not  impressed  at  the  mid- 
dle; the  frons  convex  without  a  median  groove,  the  lateral  ocelli  not 
touching  the  margin  of  the  eye.  Antennae  10-jointed,  dark  brown,  the 
apex  of  pedicel  yellowish ;  second  funiclar  joint  subequal  with  the  first, 
very  little  longer  than  thick,  third  and  fourth  minute;  club  4-joiuted, 
stout,  the  joints,  except  the  last,  broader  than  long;  in  $  with  a  5-joiated 
club,  the  joints  a  little  longer  than  wide,  slightly  i)edicellate,  hairy,  the 
last  conical;  funiclar  joints  1  and  2  very  little  longer  than  thick,  the 
second  obliquely  truncate  at  tip,  the  third,  small,  subtriangular. 
Thorax  with  the  parapsidal  furrows  indistinct  or  wanting,  the  scapuhe 
without  a  grooved  line.  Wings  hyaline,  the  teguhe  piceous  black. 
Legs  brownish-piceous,  the  trochanters,  ba«e  of  tibise,  and  tarsi  yel- 
lowish.   Abdomen  not  longer  than  the  head  and  thorax  together,  the 


MUNOGKAPH  OF  THE  NOKTH  AMEKICAN  PROCTOTKYPIDJi:.     259 

lioiii  not  extending  over  the  vertex  of  the  head;  first  segment  and 
the  extreme  base  of  second  striated. 

llAiUTAT. — ,Ia<*ksonville,  Fhi. 

Type  in  Coll.  Ashniead  and  Nath»nal  Museum. 

Described  from  many  speeiniens. 

«  Inostemma  californica,  sp.  nov. 

(J  2  .  Length,  1  to  1. (>""'.  Black,  subopacjue,  (dosely  finely  punctu- 
late,  the  mesonotuni  less  distinctly  punctate,  shining.  Head  transverse, 
the  vertex  at  the  middle  posteriorly,  impressed.  Antenna'  10-joiuted, 
black,  the  scape  one-third  sliorter  than  tiie  flagellum;  pedicel  longer 
than  the  first  funiclar  joint,  first  funiclar  joint  almost  as  long  as  the 
second  and  third  together,  second,  third,  and  fourth  joints  all  small, 
the  last  the  smallest,  club  i-jointed,  the* first  the  narrowest,  second  and 
third  ([uadrate,  the  last  conical,  longer  than  the  preceding.  In  i  the 
club  is  5-jointed,  the  fiagelluin  nearly  twice  as  h>ng  as  the  scape,  the 
pedicel  as  long  as  the  first  two  funiclar  joints,  the  third  being  minute. 
Thorax  with  "1  faint  furrows.  Mesopleura  with  a  deej),  glabrous  impres- 
sion on  the  disk,  extending  to  the  middle  coxa?.  Metapleura  finely 
rugose,  witii  raised  lines.  Teguhe  rufo-piceous.  Wings  hyaline,  not 
fringed,  the  submarginal  vein  with  the  knobbed  tip,  black.  Legs  pice- 
ous-black,  the  trochanters,  anterior  tibia'  beneath  and  at  tips,  base  of 
middle  and  posterior  tibia\  and  all  tarsi  i»ale  brownish-yellow.  Abdo- 
men slightly  longer  than  the  head  and  thorax  together,  pointed  fusi- 
form, smooth  and  shining:  tlie  basal  segment  finely  rugose,  in  $  with  a 
large  horn  extending  forw ird  over  the  thorax  to  the  vertex  of  head, 
finely  longitudinally  aciculated,  and  becoming  distinctly  striated  at 
base;  tlie  second  segnu'nt  is  long,  slightly  longer  than  the  five  follow- 
ing segments  united,  with  a  fovea  and  some  faint  stri;e  at  base.  In 
the  S  the  basal  segment  has  no  horn  and  is  longitudinally  striated. 

Habitat. — Los  Angeles,  Cal. 

Types  in  National  Musium. 

Bred  by  A.  Koebele,  from  a  Cecidomyiid  gall  on  Telypodium  integ- 
rifoUnm. 

Inostemma  Lintueri,  sp.  nov. 

9  .  Length,  1""".  Black,  polished,  the  head  subopaque,  closely  mi- 
croscopically i)unctate,  the  vertex  slightly  impressed  in  the  middle,  the 
face  with  a  nu'dian  furrow,  tlie  lateral  ocelli  a  little  away  from  the 
margin  of  the  eye.  Antenna'  lO-jointed,  brown-black,  the  apex  of 
I)edicel  yeHowisli;  first  funiclar  joint  slender,  more  than  twice  longer 
than  thick;  second  two-thitds  the  length  of  the  first;  third  and  fourth 
minute;  club  t  jointed,  the  joints,  except  the  last,  a  little  wider  than 
long.  Thorax  smooth,  shining,  with  distinct  furrows,  the  scapuhe  with 
a  faint  trace  of  an  impressed  line;  mesopleura  jwdished  fovea  ted;  meta- 
pleura finely  delicately  punctate  with  a  deep  sulcus.    Wings  hyaline. 


260  BULLETIN    If),  UNITED    STATES    NATIONAL    MUSEUM. 

Abdomen  polished,  the  first  segment  and  the  second  at  extreme  base, 
striated,  the  liorn  extending  forward  to  vertex  of  head.  Legs  brownisli- 
piceous,  the  ccixa;  bhiek,  the  trochanters,  base  of  tibiae  and  tarsd  y«'l- 
lowish,  the  anterior  tibia'  being  mostly  yellow  excei)t  above  at  the  middle. 

Habitat. — Washington,  I).  C. 

Type  in  Coll.  Ashmead. 

ACEROTA  Forster. 

Hym.  Stud,  ii,  p.  107  (1856). 

(Type  not  described  ) 

Head  transverse,  the  vertex  subcoiivex,  the  occiput  margined;  ocelli 
3,  in  a  curved  line,  the  lateral  distant  from  the  margin  of  the  eye,  but 
slightly  nearer  to  it  than  to  the  front  ocellus;  eyes  rounded. 

Antennae  inserted  just  above  the  dypeus,  10-jointed,  in  $  terminating 
in  a  4-joiuted  club,  the  pedicel  longer  than  the  first  funidar  Joint;  in  <J 
subftliform,  the  pedicel  not  longer  than  the  first  fun iclar  Joint,  tlie  club 
5-  or  0-Jointed,  the  terminal  Joint  more  than  twice  as  long  as  the  i)enul- 
timate  and  scarcely  thicker  than  the  first  funidar  Joint. 

Thorax  ovate,  the  mesonotal  furrows  distinct,  deep,  and  entire; 
scutellum  convex  or  subconvex,  separated  from  the  mesonotum  by  a 
transverse  line,  and  with  a  freniim  or  carina  posteriorly;  metathorax 
rather  short. 

Front  wings  with  the  submarginal  vein  terminating  in  a  stigma  at 
about  one-third  the  length  of  the  wing. 

Abd<mien  long-oval,  the  first  segment  not  or  scarcely  longer  than 
wide,  striated,  the  second  larger,  occupying  about  lialf  of  the  remain- 
ing surface,  the  following  segments  short. 

Legs  davate,  the  tibial  spurs  1,  1,  1,  the  basal  joint  of  posterior 
tarsi,  about  2A  times  as  long  as  the  second,  2  to  4  subequal,  the  last 
not  quite  as  long  as  the  second. 

Closely  allied  to  Inostemma,  but  the  female  without  a  horn  at  the 
base  of  the  abdomen,  the  mesonotal  furrows  more  sharply  defined,  the 
second  funidar  joint  in  the  male  longer  and  cylindrical. 

TABLE   OF   SPECIES. 

Head  and  thorax  closely  punt'tulate. 

Hind  coxa'  aloiio  black .. 2 

All  coxa;  black. 

Mesonotiiui  "vvitli  a  distinct  longitudinal  carina  at  the  base  of  the  middle  lobe, 
with  irregular  raised  lines  on  either  side  of  it. 

Antenna",  brown-black A.  CKCiDOMYi^,  sp.  nov. 

Mesonotum  with  no  raised  lines  at  base  of  the  middb  lobe.  ^ 

Legs  rufous,  the  femora  and  sometimes  the  tibia'  fuscous  or  black. 

Face  with  fine  longitudinal  stria'  toward   base  of  antenuie,  the  middle  of 

— .^„  — .. frons  nearly  smooth,  shining ;  antenme  dull  rufous. 

_  A.  FI.ORIDANA  Ashm. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.  261 

Face  with  no  ftue  strife  toward  hase  of  anteunfe,  finely,  closely  punctate; 
antennas  brown-black,  the  scape  black  ( <?  ). 

*  A.   MEI-ANOSTKOPHA  AsllIU. 

2.  Legs  yellow. 

Scape,  })e(liccl  and  first  fuuiclar  joint  yellow,  rest  of  tbe  anteniup  fnscoiis  or 
brown A.  CARYJi  Ashm. 

Acerota  cecidom3riaB,  sp.  nov. 

$.  Length,  2""".  Black,  closelj'  punctulate,  subopaque;  thorax 
with  distinct  parapsidal  furrows,  the  middle  lobe  posteriorly  with  a 
delicate  longitudinal  carina  and  some  irregular  raised  lines  on  either 
side;  scutellum  closely  punctate,  acutely  rimmed  posteriorly.  An- 
tennae 10-jointed,  black,  the  Hagellum  twice  as  long  as  the  scape; 
pedicel  not  longer  than  the  first  funiclar  joint,  second  fnuiclar  joint 
slightly  longer  than  the  first,  third,  smaller  and  not  so  thick;  club  5- 
jointed,  the  joints,  except  the  last,  almost  equal,  the  first  being  slightly 
the  smallest,  the  last  conical,  slightly  more  than  twice  as  long  as  the 
penultimate.  Metapleura  covered  tvith  a  sparse  whitish  pubescence. 
Legs  brown-black,  the  <'OXie  black,  Teguhe  black.  Wings  hyaline, 
not  fringed  and  scarcely  pubescent,  the  submargiual  vein  brown,  its 
knob  piceous.  Abdomen  long-oval,  very  slightly  longer  than  the 
thorax,  polished,  first  segment  as  long  as  wide,  striated,  with  a  trans- 
verse depression  at  the  middle. 

Habitat. — Lancaster,  Los  Angeles  County,  Cal. 

Types  in  National  Museum. 

Bred  by  A.  Koebele,  August,  IS  )7,  from  a  Cecidomyiid  gall  on  Ephe- 
dra californica. 

Acerota  floridana  Ashm. 
Can.  Ent.,  xix,  p.  128;  Cress.  Syn.  Hym.,  p.  249. 

9.  Length,  2'""\  Subrobust,  black,  subopaque;  the  head  and  tho- 
rax closely  microscopically  punctulate ;  abdomen  highly  polished,  the 
first  segment  wider  than  long,  striated.  Head  transverse,  the  vertex 
broad,  the  ocelli  in  a  slightly  curved  line,  the  lateral  ocelli  about  their 
width  from  the  eye  margin.  Antennae  dark  brown;  pedicel  longer 
than  the  first  and  second  funiclar  joints  together;  second  funiclar 
joint  not  wider  than  long,  a  little  shorter  than  the  first;  third  trans 
verse  and  wider  than  the  second ;  club  joints  stouter,  wider  than  long. 
Thorax  with  distinct  parai)sidal  furrows,  subopacjue,  microscopically 
punctate;  scutellum  convex  with  a  raised  margin  jmsteriorly ;  angles 
of  metathorax  prominent,  densely  covered  with  a  silvery  white  pubes- 
cence, as  well  as  the  metapleura.  Wings  hyaline.  Legs  dull  rufous, 
the  coxa;  black,  the  femora  fuscous. 

Habitat.— Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 


262  BULLETIN   45,  IGNITED    STATES   NATIONAL    MrSEUM. 

Acerota  melanostropha  Aslini. 
Monoaitu  milatinnlropliu  Ashiii.,  Can.  Ent.,  xix,  p.  126;  Cress.  Sj-n.  Ilym., p. 249. 

i  9.  Length,  1.5  to  2'"'".  Black,  subo[)ji(iue,  closely  punctulate; 
abdomen,  excejit  the  petiole  which  is  striated,  highly  polished,  impunc- 
tate;  anteiuije  brown-black;  legs  rufous;  the  posterior  femora  obfus- 
cated; sometimes  all  the  coxa). and  femora,  an<l  sometimes  the  tibi.ne, 
fiiscous.  Wings  hyaline,  the  submarginal  vein  ending  in  a  fuscous  or 
blackish  knob.  Antennie  10-jointed;  in  the  S  the  pedicel  slender  and 
much  shorter  than  the  first  funiclar  Joint;  tirst  and  second  funiclar 
joints  stout,  the  second  the  shorter;  third  slenderer,  about  twice  as 
long  as  thick ;  all  the  joints  are  covered  with  a  flne,  whitish  pubes- 
cence. In  the  9  the  pedicel  is  longer  tlian  the  flrst  and  second  funi- 
clar joints,  the  club  joints  transverse.  Head  transverse,  closely  punc- 
tate, obliquely  narrowed  behind  the  eyes;  the  face  shortened,  its  width 
between  the  eyes  longer  than  from  the  vertex  to  the  mandibles.  Tho- 
rax trilobed,  the  middle  lobe  with  two  short  indistinct  lines  anteriorly. 
Scutellum  closely  punctate,  bounded  by  a  carina  behind.  Metathorax 
carinated  at  sides. 

Habitat — Jacksonville,  Fla. 

Types  in  Coll.  Ash  mead. 

Described  from  several  specimens.  The  species  was  wrongly  de- 
scribed under  the  genus  Monocrita.  The  much  longer  funiclar  joints, 
sculpture,  and  color  of  the  legs  separat«>  it  from  A.  ceeidomyuc,  while 
its  subopaque,  closely  pun(;tulate  vSnrface,  the  non-striated  face,  and 
the  impressed  lines  on  the  middle  lobe  of  the  mesonotum  separate  it 
from  A.  Jloridmia  and  A.  corya. 

Acerota  caryae  Asbni. 
(PLxi,  Fig.  7,    S.) 
Can  Ent.,  xix,  p.  128;  Cress.  Syn.  Hym.,  p.  249. 

$  9.  Length,  1.5  to  2.1'""'.  ^IwvhWk&A.meJanontropha;  the  thorax 
smoother  and  more  shining,  very  faintly  microscopically  punctate;  the 
head  much  as  in  melanostropha,  but  the  face  always  with  a  deep  median 
furrow;  antennae,  except  the  4-jointed  club,  and  the  legs,  except  the 
posterior  coxae,  wholly  brownish  yellow;  the  second  abdominal  seg- 
ment finely  striated  at  base  above;  the  pedicel  and  first  ami  second  funi- 
clar joints  are  long  and  slender,  cylindrical,  while  the  club  joints,  excejit 
the  last,  are  transverse. 

Habitat.— Jacksonville,  Fla. 

Types  in  Coll.  Ash  mead. 

Described  from  many  specimens.  The  species  varies  in  size,  but  is 
constant  in  the  color  of  the  legs  and  antennse. 

Tribe  II. — Platygasterini. 

To  this  tribe  belong  all  species  with  veinless  wings.  The  genera  are 
more  numerous  and  much  more  difficult  to  separate  than  in  the  Ino- 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     2()3 

steiuinini,  but  it  is  believed  thv  table  below  will  be  t'omid  all  that  is 
necessary  to  (listiugnish  tbem.  If,  however,  tin;  student  should  be  at 
fault  the  full  generic  description  may  be  consulted. 

TABLE  OF  GENERA. 

FEMAI.ES. 

Scntellnm  not  lengthened,  semicircnlar,  either  flat  or  convex  and  unarmed 5 

Sontelluni  lengthened,  never  semicircnlar,  or  when  .shortened  it  is  compressed 

at  side.s  and  furnished  with  an  awl-shaped  thorn  or  tn)»ercle  at  tip.  2 

2.  Scutellum  with  a  strong  awl-s!iai»ed  thorn  at  tip 3 

Scutellum  with  a  short  thorn  or  tubercle  at  tip 4 

Scutellum  lengthened,  triangular,  often  produc^ed  into  a  long,  acute  spine. 

Thorax  strongly  compressed  from  the  sides. 

Head  large,  rounded,  or  (|uadrate Piestopleuka  Forst. 

Thorax  not  strongly  compressed  from  the  sides. 

Mesonotal  furrows  deep,  parallel  posteriorly Xestonotus  Fiirst. 

Mesonotal  furrows  feebly  impressed  or  wanting A.mblyaspis  Fiirsi. 

3.  Lateral  ocelli  nearer  the  margin  of  eye  than  to  the  apical  ocellus;  antennal  club 

4- jointed Leptacis  Fiirst. 

Lateral  ocelli  not  nearer  the  maigin  of  eye  than  to  the  apical  ocellus;  antennal 
club  3-)ointed Isorho-Mbis  Fiirst. 

4.  Abdomen  very  much  lengthened;  anteuual  club  .^-jointed.     Lateral  ocelli  as  near 

to  the  front  ocellus  as  to  the  margin  of  the  eye  ..Poi.ymecus  Forst. 
Abdomen  not  especially  lengthened;  antennal  club  4-jointed. 
Second  ventral  segment  strongly  compressed,  sack-like;    lateral  ocelli  their 

width  from  the  eye  margin Sactocjastek  Fiirst. 

Second  ventral  segment  normal;  lateral  ocelli  close  to  the  eye  margin. 

Synopeas  Fiirst. 

5.  Scutellum  convex 6 

Scutellum  cupuliform  as  in  the  Cynipid  genus  Eucoila. 

CtELOPELTA  Ashm.,  gen.  nov. 
Scutellum  not  cupuliform,  flattened. 
Mesonotal  furrows  wanting;  antennsB  10-jointed,  the  club  4-jointed. 

Anopedias  Fiirst. 
Mesonotal  furrows  usually  distinct;  antenna)  8-joiuted,  club  not  jointed. 

Amitu.i  Hald. 

6.  Scutellum  with  a  tuft  of  hair  at  tip Triciiacis  Fiirst. 

Scutellum  without  a  tuft  of  hair  at  tip. 

Abdomen  very  much  lengthened.     (Polymecus.) 
Abdomen  not  much  lengthened. 

Margin  of  abdomen  very  broadly  dcflexed Hypocampsis  Fiirst. 

Margin  of  abdomeil  normal. 

Thorax  short;  the  scutellum  pillow-shaped,  "separated  from  the  mesonotum 
by  a  deep  furrow;  mesonotal  furrows  rarely  distinct  or  complete. 

No  keel  between  the  antennte PoLYGNOTrs  Fiirst. 

A  sharp  distinct  keel  between  tiie  antenna'. 

Eritrissomerps  Ashm.,  gen.  nov. 
_:^        Thorax  more  elongate;  scutellum  not  separated  from  the  mescmotum  by  a 
deep  furrow.     Mesonotal  furrows  distinct,  complete. 
Lateral  ocelli  nearer  the  margin  of  the  eye  than  to  the  apical  ocellus ; 

head  transverse Platygaster  Latreille 

Lateral  ocelli  nearer  to  the  apical  ocellus  than  to  the  margin  of  the  eye; 

head  cubital Isocybus  Furst. 


264  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

MAI.KS. 

Scutelliiiii  not  Icn^theneii,  sL'tuioirculiir,  either  flat,  convex  or  cnpuliforni,  and 

unaniieil 5 

Sciitelluni  lengthened,  never  Heiuicirciihir,  or  when  shorteneil  it  is  compressed 

at  sides  and  fnrnished  with  an  awlshaped  thorn  or  tnliercle  at  tip .  2 

2.  Scntellnni  with  a  stronj^  awl-shaped  thorn  at  tip 3 

Seiitellnin  with  a  short  thorn  or  tnhcrcle  at  tip 4 

Scntellnni  .'engthened,  triangular,  often  jaoduced  into  a  long,  aiiite  spine. 

Thorax  strongly  <(nupressc<l  irom  +lio  sides. 

Head  large,  rounded  or  (luadrate I'lKSTOFLKI'RA  Forst, 

Thorax  not  strongly  compressed  at  sides. 

M<!8ouotal  furrows  deeji,  parallel  posteriorly Xkstonotus  Forst. 

Mesonotal  furrows  very  feebly  impressed  or  wanting A.mmi.ya.si'Is  Fiirst. 

3.  Lateral  ocelli  nearer  the  margin  of  the  eye  than  to  the  apical  ocellus. 

Laptacis  Forst. 
Lateral  ocelli  not  nearer  the  margin  of  eye  than  to  the  ai)ical  ocellus. 

IsoKHOMBUs  Fiirst. 

4.  Abdomen  ninch  lengthened Poly.mecus  Fiirst. 

Abdomen  not  especially  lengthened. 

Ocelli  their  Avidth  from  the  margin  of  the  eye.  ..■. Sactogaster  Fiirst. 

Ocelli  close  to  the  eye  margin Synopkas  Fiirst. 

5.  Scntellum  convex 6 

Scutellum  cnpuliforni  as  in  Cynipid  genus  Encoila..C(KLOPEi.TA  Ashm.  gen.  uov. 
Scntellum  iiuite  Hat. 

Mesonotal  furrows  wanting  or  distinct;  antenna;  10-jointed. 

Scntellum  separated  from  mesonotum  by  a  delicate  transverse  grooved  line, 
not  foveate  at  base;  autennse  subclavate,  not  verticillate. 

Anoi'Eihas  Fiirst. 
Mesonotal  furrows  usually  distinct ;  antennse  verticillate. 

Amitl'S  Haldemau. 

6.  Scntellum  with  a  tuft  of  hair  at  tip Triciiacis  Fiirst. 

Scutellum  without  a  tuft  of  hair  at  tip. 

Margin  of  abdomen  very  broadly  detlexed Hypocampsis  Fiirst. 

Margin  of  abdomen  normal. 
Thorax  short ;  the  scutellum  pillow-shaped,  separated  from  the  mesonotum 
by  a  deep  furrow ;  mesonotal  furrows  rarely  distinct  or  complete. 

No  keel  between  the  antenna} PoLYCiNOTi's  Fiirst. 

A  sharp  distinct  keel  between  the  antenna',  third  joint  strongly  dilated. 

Eritrissomerus  Ashm.  gen.  iiov. 
Thorax  more  elongate ;  scntellum  not  separated  from  the  mesonotum  by  a 
deep  furrow ;  mesonotal  furrows  distinct,  complete,  rarely  incom- 
plete. 
Lateral  ocelli  nearer  the  margin  of  the  eye  than  to  the  apical  ocellus. 

I'r.ATYG ASTER  Latr. 
Lateral  ocelli  nearer  to  the  apical  ocellus  than  to  the  margin  of  the  eye. 

ISOCYBUS  Fiirst. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.      265 

PIESTOPLBURA  ForsUr.' 

Hym.  Stud.  ii,i).U4  (185G);  C«<>//«»  Ftirst.  Im-.  rit.,]).  107. 

(Type  1'.  tutiUu8  Walk.) 

(PI.  XI,  Fig.  8,  9.) 

Head  larpe,  rounded,  twice  the  bre.adth  of  the  thorax,  the  oeeipnt 
margined;  ocelli  3,  in  a  triangle,  the  lateral  close  to  the  margin  of  the 
eye. 

Antennae  inserted  just  above  the  clypens,  10-jointed  in  9 ,  with  a 
4-jointed  club,  the  pedicel  much  larger  than  the  funiclar  joints,  the  club 
joints  transverse;  in  i  the  tirst  and  t'-iird  funiclar  joints  are  much  thick- 
ened, about  as  thick  as  the  pedicel,  the  second,  as  long  as  the  two  i)re- 
ceding  together,  spindle-shaped,  not  especially  thickened,  club  4-jointed, 
the  joints  long,  cylindrie,  slightly  pedicellate,  pilose. 

Thorax  strongly  compressed,  2J  times  as  long  as  Avide  and  liighly 
convex,  higher  than  wide,  mesonotal  furrows  but  slightly  impressed, 
obsolete  anteriorly,  scutellum  with  a  spine  or  small  thorn. 

Front  wings  pubescent,  ciliated,  entirely  veinless. 

Abdomen  long-ovate,  6-jointed  and  more  pointed  at  apex  in  the  9 , 
7-jointed  and  rounded  at  apex  in  S  ,  the  second  segment  very  long, 
occupying  fully  more  than  half  the  whole  surface. 

Legs  clavate. 

In  the  shape  of  the  head  and  the  strongly  compressed  thorax  this 
genus  is  quite  distinct  from  those  that  follow. 

Piestopleura  maculipes  Ashiu. 

Can.  Ent.,  XIX,  p.  128  9  (CaHllus):  Cress.  Syn.  Hym.,  p.  249. 

5.  Length,  0.8""".  Polished  black;  antenna' jind  legs,  rufous;  club 
of  antennae  4-jointed,  black  or  brown-black ;  pedicel  long;  funiclar  joints 
small.  Head  much  wider  than  the  thorax.  Thorax  with  indications 
of  furrows  posteriorly.  Scutellum  ending  in  a  small  si)ine,  subpubes- 
cent.  Metathorax  very  short,  pubescent,  with  a  prominent  median 
keel.  Abdomen  about  as  long  as  the  head  and  thorax  together,  oblong, 
the  petiole  striated,  subpubesceut.    Wings  hyaline. 

Habitat. — Jacksonville,  Fla. 

Type  iu  Coll.  Ashmead. 

XESTONOTUS  Forster, 

Hym.  Sttid.,  II,  p.  107  (1856).  _^ 

(Type  A",  rcfiiiijcns  Forst.) 

Head  transverse,  the  occiput  margined,  the  face  subconvex;  ocelli  3, 
triangularly  arranged,  the  lateral  nearer  to  the  margin  of  the  eye  thau 
to  the  front  ocellus  ;  eyes  oval. 


2G6  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM, 

Antennre  inserted  Just  above  tlie  rlypens,  10  jointod  in  9  ,  with  all  tho 
joints  U'lijjtluMUMl  and  thickrnod  toward  the  iipi'x,  without  a  ilistinct 
club;  in  S  the  first  tiajjelhir  joint  very  snnill,  the  slm-ou*!  very  much 
thickened,  the  third  the  length  atul  tliicknesa  of  the  pedicel,  the  Ave 
following  joints  cylindrical  and  slightly  pedi<'ellate. 

Thorax  ovate,  the  niesonotUTU  with  2  distinct  furrows,  the  scutellum 
triangularly  lengthened,  acute.  . 

Front  wings  veiidess. 

Abdomen  long  ovate,  the  second  segment  very  large,  the  following 
short,  the  first  short,  narrowed;  in  9  segments  A  and  ♦>  unite<l  are  only 
two-thirds  the  length  of  the  se<!ond. 

Legs  clavate. 

(?)  Xestonotus  andriciphilus  Anhni. 

(PI.  XI,  Fis.9.  9.) 

Can.  Ent.,  xix,  p.  128,9  ;  Cress.  Syn.  }Iym.,p.  249. 

9.  Length,  LS"^'".  Black;  face  finely  punctate;  antennfP  and  legs 
brownishyeHow.  ^lesonotum  with  2  shari)ly  defined  i)arallel  fnrrow.s. 
Scutellum  not  greatlj'  prolonged,  but  subcompressed  at  sides.  Wings 
hyaline. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Originally  described  from  one  specimen  reared  from  the  ('ynipid 
oak  gall,  AntlricuH  hiasfophaffus  Ashm. 

AMBLYASPI8  F.lrater. 

Hyni.  Stud.,  ii,  p.  107  (1856). 

(Typo,  A.dlienn  Fttrst.). 

Head  transverse,  the  vertex  subacute;  the  occiput  <lelicately  mar- 
gined; ocelli  3,  in  a  triangle,  the  latertil  very  close  to  the  margin  of 
the  eye. 

Antenna?  inserted  just  abo'.'e  the  clypeus,  10-jointed,  the  scape  very 
long,  subclavate  and  curved,  in  ?  with  a  4-jointed  club,  the  first  two 
joints  loosely  joined,  the  last  two  usually  closely  joined;  in  3  with  a 
5-jointed  club,  the  joints  oval  and  loosely  joined  or  pedicellate. 

Thorax  ovate,  slightly  compressed  at  sides,  the  mesonotum  convex, 
entirely  without  furrows  or  these  only  faintly  traceable  posteriorly;  scu- 
tellum high,  elongate,  triangular,  and  usually  produced  into  a  long  acute 
spine,  extending  high  over  the  meta thorax  and  scarcely  separated  from 
the  mesonotum;  metathorax  usually  densely  pubescent  or  woolly. 

Abdomen  subovate  or  oblong-oval,  not  or  scarcely  longer  than  the 
thorax,  the  first  segment  petioliform,  fluted  and  pubescent,  the  second 
segment  large,  occupying  fully  half  of  the  remaining  surface,  without 
foveolsB  at  base,  the  following  segments  short,  equal  in  length. 

Legs  long,  the  femora  and  tibije  strongly  clavate,  the  tibial  spurs  1, 


MONOGRAPH  OF  THK  NORTH   AMERICAN  PROCTOTRYPID.E.     2fi7 

1,  1,  (listiiM't,  the  tarsi  w  joiiit«'«l,  longer  th.ni  tlie  til>i{v,  tlic  ba.sal  Jt)int 
of  liiiul  tarsi  tliiee  tiiiieK  as  lon^  as  tlic  second. 

As  here  detined,  this  genus  ia  divisible  into  two  seetions  by  the 
slnipe  ol"  the  scutelhini;  in  one  section  the  siutelhini  is  trianjjfiihir,  not 
produced  into  a  h>n;j  acute  spine;  in  the  other  tin*  sJuteUnin  is  pro-, 
duced  into  a  long-  acute  spine  projectinj;  tar  over  the  nielanotum,  iind 
it  seems  to  couii)rise  sjK'eies  that  by  some  authors  are  included  in  the 
jrenus  Lcptacix.  But  LeptaciH,  as  understood  by  nu',  is  (piiteditlcrent, 
the  scutellum  beingf  produced  into  a  short  curved  spine  or  tubercle,  and, 
as  detined  in  this  work,  agrees  more  nearly  with  the  ^i  uus  Cvrutavin 
Thomson. 

TABLE  OF  SPECIES. 
KKMAI.ES. 

Scutellum  not  or  faintly  pubescent,  the  apex  produced  into  .in  .acute  spine 2 

Scutellum  covered  with  a  short  dense  pubesceuce.  apex  not  i)roduced   into  nu 

acute  Hjdue,  triangular. 

Legs  brown,  trochanters,  base  of  tibi.i-,  and  tarsi  honey-yellow;  antennie  dark 

brown,  wings  with  a  short  fringe. 

A.  ocriDKNTALis,  sp.  nov. 

Legs  brownish  yellow;    .antennie  dark   brown,  scape  pale  beneath  at   base; 

wings  with  a  long  fringe A.CALiFoitNici'S,  sp.  nov. 

Legs  and  antenna'  pale  yellow,  the  flagellnm  brown ;  wings  with  a  short  fringe ; 

petiole  i»ale A.  pi.tiolatis,  sp.  nov. 

2.  Spine  of  scntellum  long,  extending  far  over  the  metathorax,  yellow;  wings  with 

long  cilia-. 

Legs  reddish-yellow,  tips  of  posterior  femora  and  tibia>  brown;  tibial  spurs 

sliort ;  petiole    black,  pube.scent A.  americanI's  Ashni. 

Legs  uuifonuly  reddish-yellow  or  yellow;  legs  not  especially  lengthened,  the 
hind  t<arsi  shorter  than  their  tibi.p. 
Head    highly  jtolished;  middle  and  posterior  tibial  spurs  bei»"»  long;  the 

petiole  yellow,  pubescent A.  MINLTUS,  sp.  nov. 

Head  rngiUose,  opa<iue;  middle  and  posterior  tibial  spurs  very  short,  scarcely 

developed ;  petiole  black,  pubescent A.  RVCf ickps,  sp.  nov. 

Head  highly  polished;  femora  and  tibia;  brown  or  fuscous;  the  legs  length- 
ened, the  hind  tarsi  longer  than  their  tibite ;  petiole  black,  pubescent. 

A.  i.oNGiPEs  Ashni. 

MALES. 

Scutellum  scarcely  pubescent,  produced  into  an  acute  spine 2 

Scutellum  covered  witii   a   short,   dense  pubescence,  the  apex  not  acutely  pro- 
duced. 
Legs  pale,  brownish-yellow ;  the  flagellnni  d.ark  brown. 

A.  CALIFORNICIT.S,  sp.  noV. 

2.   Antenna?  and  legs  honey-yellow  or  reddish-yellow. 

Club  joints  not  much  longer  than  wide A.  MiNi'Trs,  ap.  nov. 

Club  joints  five  or  six  times  hmger  than  wide A.  longipes  Ashni. 

Tips  of  posterior  femora  and  tibise  fuscous;  club  joints  about  five  times  as  long 
as  wide A.  americanls. 

Atnblyaspis  occidentalis,  sp.  nov. 
9.    Length,  CS™"".    Polished  black,  irapunctured;  antennpe  brown- 
black,  the  scape  pale  at  base;  legs  brownish,  trochanters,  base  of  tibiae 


268  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

and  tarsi,  honey-yellow.  Antenuie  10-jointed;  pedicel  a  little  shorter 
than  the  first  two  luiiiclar  joints  together;  firstand  second  fnuiclar Joints 
eqnal,  third  umch  shorter  and  more  slender,  fourth  transverse;  club 
4-jointed,  tlie  last  two  jctints  closely  united,  the  first  two  about  equal,  a 
little  wider  than  long,  rounded  off  at  base.  Scutellum  triangular, 
pubescent,  very  slightly  impressed  on  each  side  at  base,  but  medially 
subconvex  and  not  separated  from  the  mesouotum.  Metathorax  and 
metapleura  pubescent.  Wings  hyaline.  Abdomen  as  long  as  the  head 
and  thorax  together  black,  polished,  the  netiole  and  base  of  second 
segment  pubescent. 

Habitat. — lliley  County,  Kans. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  C.  L.  Marlatt. 
Amblyaspis  califoruicus.  sp.  nov. 

$  9.  Length,  l.fiO"".  Black,  smooth,  shining;  scutellum,  meta- 
pleura, hind  coxa^,  and  petiole,  rather  densely  jjubescent.  Antenna* 
10  jointed,  <lark  brown,  the  scape  brownish-yellow,  more  or  less  dusky 
above  toward  apex ;  pedicel  longer  than  the  tirst  funiclar  joint,  the  latter 
twice  as  long  as  thick,  the  second  slightly  shorter,  the  third  still 
shorter,  the  fourth  minute;  club  4-jointed,  stou*^er  than  the  funicle,  the 
first  and  second  joints  quadrate,  slightly  pedicellate,  the  two  following 
closely  joined,  forming  a  cone.  Tliorax  narrowed  towards  the  head,  the 
collar  forming  a  slight  neck,  smooth,  convex,  without  furro  s.  Legs, 
ex<'ept  the  black  coxa^,  bro wish-yellow,  or  honey-yellow,  pubescent,  the 
trochanters  long.     Wings  long,  hyaline,  fringed. 

Abdomen  as  long  as  the  thorax,  smooth,  ])olished,  the  petiole  pubes- 
cent. In  the  $  the  pedicel  is  as  h)ng  as  the  second  funiclar  joint,  the 
first  funiclar  joint  only  half  as  long  as  the  second;  the  club  0-jointed 
cylindrical;  the  joints  twice  as  long  as  thick,  .all  slightly  pedicellate. 

Habitat.— Marin  County,  Cal. 

Types  in  National  Museum. 

Described  from  1  <? ,  1  9  specimen  i^eceived  from  A.  Koebeie. 
Amblyaspis  petiolatus,  sp.  nov. 

$  9.  Length,  0.8"'"\  Polished  black,  inqmnctured;  antenna^  ex- 
cept club,  legs,  and  petiole  bright  yellow;  fiagellnm  in  $  brown. 

In  the  9  the  pedicel  is  almost  as  long  as  the  first  an«l  second  funiclar 
joints  together;  second  funiclar  joint  about  two  tliirds  the  length  of  tlie 
first,  the  tirst  being  twice  as  long  as  thick;  third  and  fourth  small; 
club  4-jointed,  the  first  two  <piadrate,  the  last  two  closely  jointed,  con 
ical;  in  5  the  dagelhim  is  pale  brown,  the  club  joints  not  wider  than 
long,  slightly  pedicellate.  Lateral  ocelli  twice  their  width  from  the  eye 
margin.  Thorax  convex  (in  $  piceous  at  sides)  without  furrows.  Scu- 
tellum triangular,  not  acutely  spined  at  tip,  more  or  less  pubescent, 
with  a  fovea  ou  each  side  at  base.    Metathorax  pubescent.     Wings 


MONOGRArH  OF  THE  NORTH  ATklERICAN  PROCTOTRYPID.E.     269 

Lyaliue  with  a  short  fringe.      Abdomen    oviite   or  ellii»tic-oval,  the 
petiole  longer  than  thick,  pale,  pubescent. 

Habitat. — Jacksonville,  Fla. 

Type  iu  Coll.  Ashuiead. 

Amblyaspis  americanus  AHlim. 
C;iu.  Ent.,  xix,  p.  129;  Cress.  Syx.  Hyui.,  p.  249. 

9.  Length,!'""'.  Polished  black,  impunctiired;  anteimie  and  legs 
honey -yellow  or  brownish-yeUow;  the  tip^  oi'  jiosterior  femora  and 
tibiie  dusky;  club  brown,  the  Joints,  excei)t  the  last,  no.  longer  than 
wide.  Lateral  ocelli  only  their  width  from  the  eye  margin.  Scutellum 
produced  into  a  long,  acute,  yellowish  spine.  Mctathorax  and  petiole 
covered  with  a  white  pubescence.  Wings  hyaline,  longly  fringed. 
Abdomen  oval,  polished  black,  the  petiole  a  little  longer  than  wide, 
densely  pubescent. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashniead. 

Amblyaspis  miiiutus,  np.  iinv. 

$,  Length,  0.6  to  0.8""".  Polished  black,  inipnnctured;  lateral 
ocelli  ch)se  to  the  border  of  the  eye;^  antenna'  (except  club)  and  legs, 
yellow  or  reddish-yellow,  with  the  tips  of  posterior  femora  and  tibiie 
sometimes  dusky.  Scutellum  acutely  spined,  the  spine  yellow.  Funi- 
cle  very  slender,  the  first,  third,  and  fourth  joints  minute,  the  second 
very  long  and  slender;  club  stc;t,  the  joints,  except  the  last,  not,  or 
scarcely,  longer  than  wide.  Wings  hy;«line,  strongly  fringed.  Abdo- 
men oval,  the  petiole  yellowish,  pubescent. 

Habitat. — Washington,  D.  C;  St.  Louis,  Mo. 

Tyi)es  in  Coll.  Ashniead  and  National  Museum. 

The  specimens  in  the  National  Museum  were  reared  by  Dr.  liiley,  at 
St.  Louis,  Mo.,  July  10,  1870,  from  Cecidomijia  sp.  in  sijuash. 

Amblyaspis  rugiceps,  sp.  nov. 

S  ?.  Length.  0.8'"'".  Polished  black,  impunctured;  fr'»us  and  face 
transversely  rugulose;  antenna^  and  legs  yellow  or  reddish-yellow,  the 
thickened  parts  of  middle  and  posterior  femora  and  tibiae  sometimes 
dusky  or  brown;  club  usually  obfuscated  or  brown.  Lateral  ocelli 
about  twice  their  width  from  the  eye  margin,  (-lub  joints  a  little 
longer  than  wide.  Scutellui;i  acutely  si)ined,  yellowish  at  tip,  foveated 
on  each  side  at  base,  subpiibesc«'nt.  Metathorax  cov'cred  with  a  white' 
pubescence.  Wings  hyaline,  strongly  ciliate«l.  Abdomen  oval,  the 
petiole  not  longer  than  tliick,  striated  and  i)ubes<'ent. 

The  face  in  the  S  is  very  rugose,  the  club  joints  about  lij  times  as 
loug  as  thick,  the  second  funichir  joint  a  little  swollen,  the  first  very 
minute  and  closely  joined  to  the  secoiul,  while  the  legs  are  paler  and 
moi«  uniformly  yellow. 

B,\bitat.— District  of  Columbia.  .- 

Type  in  Coll.  Ashmead. 


270  BULLETIN   4r>,  UNITED    STATES   NATIONAL    MUSEUM. 

Amblyaspia  lougipes  Asbin. 

(PI.  XI,  Fig.  10,  c?.) 

Cau.  Eut.,  XIX,  p.  128;  Cress.  Syn.  Ilym.,  p.  249. 

S.  Length,  2""".  Polished  bhick,  irapunctured;  scape  and  legs 
pale  brownish-yellow  or  yellow;  tlagellum  brownish-black,  pilose; 
funicle  very  long  and  slender,  as  long  as  the  long  scape,  the  first  and 
last  joints  short,  the  second  greatly  elongated;  club  5-jointed,  the 
joints  all  long,  5  or  C  times  as  long  as  thick,  subclavate.  Head  trans- 
verse, the  vertex  bounded  behind  by  a  delicate  transverse  carina; 
lateral  ocelli  close  to  the  eye  margin;  face  flat,  smooth;  mandibl#8 
pale.  Thorax  long,  convex,  without  furrows;  scutellum  very  long, 
produced  into  a  long,  acute,  yellow  spine,  its  tip  extending  over  the 
baseof  the  abdomen;  two  large  pubescent foveie  on  either  side  at  base; 
metathorax  pubescent.  TeguLe  black.  Wings  hyaline.  Legs  very 
long,  the  hind  pair  especially  long,  honey-jellow,  tibial  spurs- distinct, 
the  tarsi  very  long,  slender.  Abdomen  oval,  the  petiole  about  twice 
as  long  as  thick,  striated,  pubescent  above  and  beneath,  body  of  al  lo- 
men  pubescent  at  base  beneath. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

LEPTACIS  Furster. 
Hym.  Stud,  ii,  p.  107.     (1856.) 

(Type  L.  tipuhv  Kirby.) 
Ceratacia  Thonis.     Ofvers,  1858,  p.  69. 

Head  transverse,  the  frons  subconvex,  the  occiput  straight,  mar- 
gined; ocelli  3,  subtriangularly  arranged,  the  lateral  nearer  to  the  eye 
than  to  the  front  ocellus;  eyes  oval. 

Antenna*  inserted  just  above  the  clypeus,  10-jointed  in  both  sexes; 
in  9  terminating  in  a  l-jointed  club,  the  jiedicel  much  l«)nger  than  thick, 
funiclar  joints  1,  3,  and  4  very  small,  short,  the  second  lengthened; 
in  (5  ending  in  a  .l-jointed  club,  the  joints  of  which  are  usually  elongate; 
joint  1  of  funicle  small,  the  second  elongate,  somewhat  swollen,  the 
third  smaller. 

Thorax  ovoid,  highly  convex,  the  ])rothorax  visible  as  an  arcuate 
line,  the  mesonotum  with  or  without  furrows,  the  scutellum  subtrian- 
gular,  convex  at  the  middle,  depresvsed  and  with  two  large  transverse 
or  oblique  fovete  at  base,  the  apex  armed  with  a  more  or  less  curved 
thorn,  rarely  reduced  to  a  tubercle,  the  metathorax  short,  the  nieta- 
pleura  usually  covered  with  a  dense  silvery,  or  hoary,  pubescence. 

Front  wings  long,  pubescent,  and  veinless. 

Abdomen  in  9  point<)d-ovate,  in  S  oval  or  long  ovate,  the  first  seg- 
ment wider  than  long,  the  second  very  long,  occupying  most  of  the 
surface,  the  following  all  short. 

Legs  clavate,  the  basal  joint  of  hind  tarsi  three  or  more  times  longer 
than  the  second. 


MONOGKAPU  OF  THE  NORTH  AMERICAN  PliOCTOTKYl'ID.E.     271 

This  geuus  ami  Amblyaspi>i  are  often  coufused  together.  If  iu  my 
detiuitioii  of  AmbbiuspiH  I  have  inchided  both  Leptaris  and  Amblyaispitf^ 
theu  thiiS  geuus  must  be  kiiowu  as  Ceratavis  Thomson. 

TABLE    OF   SPECIES. 

FEMALES, 

Mesonotal  furrows  ■wanting  or  only  iiuUcuted  iiosteriorly 2 

MesoUotal  furrows  completi',  disstinct. 
Head  rugose,  the  thorax  miiiiitt'ly  jtiiuctatc,  a  distinct  line  on  shoulders. 
Anteuuuj  aud  front  legs  browuisb-yellow,  club  brown  black. 

L.  uudicEi'S,  3]>.  nov. 

Legs  brownish-piceons,  the  trochanters,  base  of  tibia'  aud  tarsi  buney-yellow. 

Head  closely,  finely  punctate,  the  thorax  minutely  punctate,  no  line  on  shoulders. 

Antennae  brownish-yellow,  club  brown L.  rrNiTATU.s.  sp.  nov. 

Antenna'  wholly  brown-black L.  klokidants,  sp.  nov. 

2.  Frons  smooth  or  micro8coi)icallj'  punctate 3 

Frons  transversely  striat«'d;  thorax  smooth. 

Antenna;  aud  lej;        'jwuisU-ycUow  or  i)alo  rufons,  clul»  brown. 

L.  s  riuATiFUoxs,  sp.  nov. 

3.  Frons  microscopically  punctate 4 

Frous  smooth;  coxa'  black. 

Abdomen  twice  the  length  of  thorax,  subcompressed. 

L.  LONGIVENTKl!?,  sp.  nov. 

Abdomen  not  longer  than  the  thorax,  not  compressed. 

L.  UKEVIVENTKIS,  Sp.  DOV. 

4.  Coxa'  black. 

Legs  black  or  brownish- piceims,  trochanters,  knees,  tij)s  of  tibia-,    and  tarsi 

yellow L.  cvNii'iPiaLUS  Ashm. 

Coxas  brownish-yellow;  legs  aud  anteaniu,  except  club,  yellow. 

L.  i-LAVicoKXis,  sp.  nov. 

MALES.' 

Mesonotal  furrows  wanting  or  only  indicated  posteriorly 2 

Ml  sonotal  furrows  distinct,  com))lete. 

Head  rugose,  thorax  minutely  punctiite L.  ulgiceps,  sp.  nov. 

Head  iinely  X)unctate,  thorax  minutely  punctate. 
Antenna'  and  the   middle  legs   brownish-yellow,   the   Iriud   legs   brownish- 

l)iceou8 L.  I'lNCTATis,  sp.  nov. 

Head  and  thorax  smooth,  shining,  the  parapsidal  furrows  delicate. 
Antenna'  black;  legs,  except  trochaut^-TS  and  tarsi,  fuscous. 

L.  I'LOHiDAXL'.s,  sp.  nov. 
2.  Frons  smooth;  coxa' black. 
Legs  brown isli-])iceous. 

Seapo  and  funicle  brownish-yellow,  the  second  funielar  joint  swollen. 

L.   IJKKVIVEN'IHIS,  sp.  nov. 

Legs  brownish-yellow  or  yellow. 

Flagellum  brown-black,  the  club  joints  2^  or  3  times  as  long  as  thick,  much 

narrowed  basally L-  cynu'H'IIIUS  Ashm. 

*      Flagellum  yellow,  the  ulub  joints  twice  as  long  as  thick,  cylindric. 

L.  KLAVIK)«M8,  sp.  nov. 

Frons  distinctly  punctate. 

Scape,  pedicel,  and  legs  ,ellow L.  rrxcTicEP.-*,  sp.nov. 

Frons  micro8coi)ically  ])uuctate;  coxie  black. 

Auteume  .•ind  legs,  except  anterior  tibia'  and  tarsi,  which  are  lioney-yellow, 
browuish-piceous  or  fuscous L.  itue.s*.  ens,  sp.  uov. 


272  BULLETIN    15,   INITED' STATES    NATIONAL    MUSEUM. 

Leptacls  lugiceps,  sp.  iiov. 
"(I'L  XII,  Fig.  1,  ?.) 

S  9  .  Length,  1  to  l.U  " '.  Black;  anteniue,  except  club,  front  legs, 
am\  base  of  middle  tWnn-  and  all  tarsi,  yellow ;  rest  of  the  legs  tuscous  or 
black.  Head  transverse,  opaque,  the  Irons  and  face  rugose,  thelatenU 
ocelli  close  to  the  eye.  Auteniue  10  jointed,  the  club  4-jointed,  black, 
the  joints,  except  the  last,  which  is  conical  and  about  twice  as  long  as 
the  preceding,  are  scarcely  longer  than  thick.  Thorax  subopaque, 
minutely  i)unctate,  with  2  distinct  furrows,  and  a  distinct  grooved  line 
on  the  shoulders.  Scutelluni  pubescent,  with  2  large  fovcic  at  base, 
a  slight  median  carina,  and  terminating  in  a  long  awl-shaped  spine  or 
thorn.  Metathorax  very  short,  with  a  median  carina  and  covered  with 
a  silvery  pubescence.  Wings  hyaline.  Abdomen  oval,  shorter  than 
thorax,  polished,  the  petiole  wider  than  long,  rugose,  densely  pubei^(  ^nt. 

In  the  S  the  scape  and  funicle  are  brownish  yellow,  the  4-joiuted  club 
brown  black;  the  pedicel  is  very  long  and  slender,  almost  as  long  as 
all  the  funiclar  joints  united,  last  two  funiclar  joints  short,  not  longer 
than  thick;  club  joints,  except  the  last,  quadrate. 

Habitat. — Jacksonville,  Fla.,  and  Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Described  from  several  specimens. 

Leptacls  punctatus,  Bp.  nov, 

S  9 .  Length,  O.s  to  1 "".  Black,  subopaque,  closely,  minutely 
punctate,  the  thorax  smoother;  parapsidal  furrows  delicate  but  com- 
plete; no  grooved  line  on  the  shoulders;  antenna^,  except  club,  and 
legs,  yellow;  middle  and  post'^rior  legs  more  or  less  fuscous,  or  brown; 
club  4-jointed,  brown-black,  the  joints,  except  the  last,  wider  than  long, 
the  last  conic,  Ih  times  as  long  as  the  penultimate;  funicle  slender. 
Scutellum  with  two  large  fove.e  at  base,  pubescent,  ending  in  a  slightly 
curved,  awl  shai)ed  spine.  Metathorax  and  petiole  densely  pubescent. 
Abdomen  oval,  polished,  shorter  than  the  tln>rax. 

Haijitat. — Florida,  District  of  Columbia,  and  Virginia. 

'i'ypcs  in  Coll.  Ashmead. 

Common.  Allied  to  L.  rugicepH,  but  smaller,  more  evenly  punctate, 
and  the  head  not  so  rugose. 

Leptacls  floridanus,  sp.  nov. 

$  9 .  Length,  1.1 "".  Black,  subopaque,  faintly,  microscopically 
punctulate,  the  tliorax  almost  smooth,  with  two  distinct  furrows;  an- 
teinue  wholly  brown-black,  the  club  joints  twice  as  long  as  thick,  loosely 
joined.  Scutellum  foveated  at  base,  the  awl-shaped  spine  rather  short. 
Metathorax  witli  a  silvi'ry  iiubescence.  Wings  hyaline.  Legs  lyown 
or  fuscous,  the  trochanters,  base  of  tibiie,  and  tarsi  yeUowish.  Abdo- 
men ovate,  not  quite  as  long  as  the  thorax,  the  petiole  very  short, 
transverse,  densely  covered  with  a  silvery  white  pubescence. 

Haihtat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 


MONOGKAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     273 
Leptacis  striatifrons,  sp.  uuv. 

9  .  Length,  1 .2" "".  Black,  shining ;  frons  transversely  striated ;  thorax 
smootl,  with  indications  of  furrows  posteriorly;  antennae,  except  the 
club,  and  legs  wholly  brownish-yellow;  club  4-joiuted,  brown,  the 
joints  (except  the  conical  last  joint)  not,  or  scarcely,  longer  than  thick. 
Scutelluni  bifoveated  at  base  and  ending  in  a  long  awl-shaped  thorn 
Metathorax  covered  with  a  dense  white  ]>ubescencc.  Wings  hyaline. 
Abdomen  subovate,  shorter  than  the  thorax,  black,  polished,  impunc- 
tured,  the  petiole  very  short,  transverse,  pubescent. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Leptacis  longiveutris,  s{>.  iiov. 

S  9.  Length,  1"""'.  Polished  black,  impunctured;  tarsi  rufo-piceons. 
Head  as  wide  as  the  thorax  from  teguhc  to  teguhe.  Mandibles  black. 
Antennne  10-jointed,  in  9  with  a  4-joiuted  club,  the  joints,  except  the 
last,  a  little  wider  than  h)ng,  the  last  conical,  twice  as  long  as  the  pre- 
ceding; funicle  slender,  the  second  joint  long  and  slender,  the  first  and 
last  two,  short.  Thorax  without  distinct  furrows,  a  slight  elevation  or 
prominence  just  in  front  of  the  scutelluni,  and  with  a  sparce  pubescence 
on  either  side.  Mesopleura  smooth,  polished.  Scutelluni  with  a  tu- 
bercle at  tip,  two  oblique  depressions  at  base,  a  median  carina,  and 
sparsely  covered  with  a  silvery  i^ile.  Metathorax  at  base,  nietapleura, 
and  base  of  abdomen  densely  covered  with  a  silvery  x>'ibescence. 
Tegula»  black.  Wings  hyaline,  iridescent,  but  slightly  ])ubescent  and 
without  a  distinct  fringe.  Abdomen  pointed-ovate,  twice  the  length 
of  the  thorax,  subcompressed,  and  in  shape  not  unlike  the  9  in  Eury- 
fowj«,  but  with  the  lateral  carina  quite  distinct;  the  first  segment  is 
densely  imbescent,  the  second  occupies  most  of  the  surface,  the  third, 
fourth,  fifth,  and  sixth  very  short,  equal,  the  seventh  conical,  as  long 
or  a  little  longer  than  the  four  preceding  together. 

in  the  $  the  anteniue  aiC  bristly,  the  pedicel  oval,  the  first  funiclar 
joint  minute,  rounded,  the  second,  longer  than  the  pedicel,  swollen  and 
a  little  curved,  the  club  0  jointed,  the  first  joint  oval,  about  half  the 
length  of  the  second;  joints  2-.")  long  oval,  the  last  cone-shajied,  one- 
third  longer  than  the  preceding  and  thinner.  Tip  of  anterior  tibiae 
and  tarsi  dark  honey -yellow.    Abdomen  oblong-oval,  depressed. 

Habitat. — District  of  Columbia  and  Virginia. 

Types  in  Coll.  Ashmead  an«l  *!i^ational  Museum. 

Many  specimens.  The  peculiar  shape  of  the  abdomen  and  the  cari- 
nated  scutellum  readily  distinguish  the  species. 

7  Leptacis  breviventris,  8p.  uov.        ~ 

i  9  .    Length,  0.6.5  to  0.80""".     Black,  shining,  impunctured;  the  face 
very  slightly  shagreened  just  above  the  insertion  of  the  antennae;  lat- 
21899— iS^o.  45 18 


274    BULLETIN  45,  UNITED  STATES  NATIONAL  MUSEUM. 

eral  ocelli  close  to  the  border  of  the  eye;  iiiiteiiiue  and  legs  brown,  the 
trochanters,  base  of  tibia',  and  tarsi  yellowish;  anterior  and  middle  legs 
sometimes  yellowish.  Antennie  10-jointed,  in  9  with  a  4  Jointed  club, 
the  joints,  except  the  last,  not  longer  than  wide,  usually  wider  than 
long,  the  last  ovate;  funide  slender,  joints  1,  ,3,  and  4  small,  joint  2 
elongate;  in  S  with  a  4-joiiited  chil>,  the  joints  slightly  pedicellate  and 
covered  with  sparse  white  hairs;  second  fnniclar  joint  swollen,  longer 
than  the  pedicel;  first  fnniclar  joint  very  small,  closely  joined  to  the 
second;  joints  3  and  4  small.  Thorax  convex,  poh shed,  without  fur- 
rows; scutellum  foveated  at  base,  pubescent  at  sides,  and  terminating 
in  a  tubercle  or  very  short  spine,  which  is  only  twice  as  long  as  thick; 
metapleura  covered  with  a  dense  white  jiubesceuce.  Abdomen  broadly 
oval,  highly  polished,  black,  a  little  shorter  than  the  thorax,  the  petiole 
very  short  and  transverse,  pubescent. 

Habitat. — District  of  Columbia,  Virginia,  and  Maryland. 

Types  in  Coll.  Ashmead. 

Described  from  several  specimens. 

Iieptacis  cynipiphilus . 

Asbm.,  Can.  Ent.,  xix.  p.  129,  9   <?  ;  Cress.,  Syii.  Hyin.,  p.  249. 

S  9.  Length,  1.5'""'.  Polished  bUick;  antenna', except  club  and  the 
legs,  brownish-yellow;  coxa'  bhick ;  in  9  with  the  legs  fuscous,  tlie  tro- 
chantens,  base  of  tibia',  and  tarsi  yellow;  club  brown-black;  mandibles 
pale. 

Head  a  little  wider  than  the  thorax.  Antenna^  10-jointed;  the 
funicle  slender,  the  second  joint  longer  than  the  first,  the  third  and 
fourth,  small,  but  a  little  thicker  than  the  second;  club  4-jointed,  the 
joints,  except  the  last,  as  wide  as  long;  in  6  with  the  tlagellum  black, 
pilose,  the  club  joints  from  two  and  one  half  to  three  times  as  long  as 
thick;  the  first  funiclar  joint  as  long  as  thick;  the  second  more  than 
twice  as  long,  and  stouter. 

Thorax  smootli,  without  furrows.  Scutellum  with  2  broad  tovese  at 
base,  pubescent  and  delicately  margined  at  sides,  ending  in  a  small 
tubercle  or  a  short  awl  shaped  spine.  JVIetapleura  and  petiole  densely 
pubescent.  Tegula?  black.  Wings  hyaline  with  a  short,  sparse  pubes- 
cence. Abdomen  oval,  a  little  shorter  than  the  thorax,  the  i)etiole 
very  short,  transverse,  covered  with  a  dense  white,  glittering  pubes- 
cence, the  pubescence  extending  on  to  the  base  of  the  second  abdom- 
inal segment. 

Habitat.— Jacksonville,  Fla.      _.       _ 

Types  in  Coll.  Ashmead. 

Described  from  several  specimens.       ~    "^    -'-  " ^^ 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     275 
Leptacis  puiicticeps,  Hp.  no  v. 

$.  Length,  0.8""".  Black,  iwlished;  head  tiiiely  punctate;  scape, 
pedicel,  and  logs  yellow,  the  posterior  femora  and  tibise  fuscous  or 
brown.  Head  transverse,  the  frons  convex.  Antenna*  10  jointed,  the 
scape  clavate;  flagellnm  brown-black,  i)ilose,  the  first  joint  minute, 
the  second  about  as  long  as  the  pedicel  but  stouter,  the  third  small, 
the  following  joints  oval,  loosely  joined.  Thorax  without  furrows, 
polished;  the  scutellum  terminating  in  an  awl  shaped  spine;  the 
metapleura  covered  with  a  silvery  i)ubescence.  Wings  hyaline,  the 
tegulfe  piceous.  Abdomen  oval,  not  quite  as  long  as  the  thorax;  the 
petiole  short,  covered  with  a  glittering  white  pubescence. 

Habitat.— Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Leptacis  flavicomis,  sp.  nov. 

(5  $.  Length,  0.8  to  0.9""".  Polished  black;  an temue,  except  the 
club  in  the  female,  and  legs,  bright  yellow.  Thorax  smooth,  shining, 
inipuncture<l,  without  furrows;  scutellum  foveated  at  base  and  ending 
in  a  minute  tubercle;  metapleura  and  the  very  short  i>etiole  with  a 
silvery  white  pubescence.  The  autenme  in  the  9  end  in  a  4-jointed 
club,  the  joints  of  which,  except  the  last,  are  not  longer  than  wide; 
the  funicle  is  slender,  the  second  joint  a  little  longer  than  the  first,  the 
third  and  fourth  being  small;  in  9  the  antenuic  are  entirely  yellow; 
the  chib  5  jointed,  the  joints,  except  the  last,  being  only  a  little  longer 
than  wide;  the  last  being  conical,  twice  as  hmg  as  the  preceding;  the 
first  funiclar  joint  is  small,  closely  joined  to  the  second,  the  latter  longer 
than  the  pedicel  and  slightly  thickened,  the  third  small,  contracted. 
Wings  hyaline.  Abdomen  oval,  shorter  than  the  thorax,  i>ubescent  at 
base. 

Habitat. — Washington,  1).  0.,  and  Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Leptacis  pubescens,  sp.  nov. 

$  .  Length,  Lo'""".  Black,  shining,  covered  with  a  fine  pubescence; 
scape  and  legs,  except  the  anterior  tibiie  and  tarsi,  which  are  honey-yel- 
low, dark  brown  or  i)iceous;  tlagellum  black,  the  club  joints  pedicellate, 
pilose,  the  first  funiclar  joint  a  little  shorter  than  the  jjedicel,  the  sec- 
ond long,  fully  twice  as  long  as  the  pedicel,  the  third  small,  the  first 
4  joints  of  club  twice  as  long  as  thick,  the  last  three  times  as  long  as 
thick.  Thorax  without  furrows;  the  scutellum  ends  in  a  short  tubercle 
and  is  foveate  at  base,  the  metathorax  densely  pubescent.  Wings 
hyaline,  the  teguhe  black.  Abdomen  oblong-oval,  the  petiole  wider 
than  long,  elevated  above. 

Habitat.— District  of  Columbia. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taJ^eu  by  Mr.  E.  A.  Bchwarz. 


276  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

ISORHOMBUS  Fiirst.'i. 
Hym.  Stu<l.,  II,  p.  107  (185«). 

Head  transverse,  the  vertex  tlatti'iied,  tlie  oeeijuit  with  a  sharp  mar- 
gin;  ocelli  3,  trianfjuhuly  arranjied,  the  lateral  far  aAvay  from  the 
marjjiii  of  the  eye  or  nearer  to  the  front  oeellns  than  to  the  eye  niarj^in. 

Antemue  inserted. jnst  above  the  clypens,  10-joiiited  in  both  sexes,  in 
5  terniinatiiifif  in  a  .'*>. jointed  chd),  in  S  with  a  5  jointed  elnb,  the  .joints 
of  which  are  longer  than  thi<'k.  the  first  fnniclar  joint  very  niinnte. 

Thorax  ovate,  the  i>rothorax  distinct,  the  niesouotuin  much  longer 
than  wide,  with  furrows,  the  scutellum  subconical  or  subpyramidal,  «'ud- 
ing  in  a  little  spine  at  tip,  and  more  or  less  pubescent,  the  metathorax 
short,  with  a  median  carina. 

Wings  when  folded  extending  to,  or  a  little  bevond,  the  tip  of  the 
abdomen,  pubescent  and  veinless. 

Abd<>men  long,  in  $  pointed  ovate,  in  S  oblong-oval,  the  first  seg- 
ment longer  than  wide,  the  second  very  large,  occupying  fully  two- 
thirds  of  the  whole  surface. 

Legs  clavate,  the  basaljiiint  of  hind  tarsi  twice  as  long  as  the  second. 

Distinguished  by  the  3  jointed  club  in  the  female,  the  shape  of  the 
scutellum,  the  long  mesonotum,  and  the  position  of  the  ocelli. 

Isorhombus  hyalinipeunis  Ashm. 

(PI.  xii,  2,J.) 

Can.  Eut.,  xix,  ji.  11*9 ;  Cress.  Syn.  Hym.,  p.  249. 

5.  Length,  1.5""".  Black,  shining,  impnnctured,  the  occiput  alone 
finely  transversely  aciculated;  antenna",  excejtt  the  3-jointed  club  and 
legs,  brownish-yellow  or  yellow;  the  coxa'  and  club  black.  Head  trans- 
verse, the  lateral  ocelli  about  their  width  from  the  border  of  the  eye, 
the  mandibles  and  i)alpi  pale  (»r  yeHowish. 

Antenna;  lO-.iointed;  scape  subdavate,  as  long  as  the  pedicel  and 
funide  united;  i>edicel  not  quite  as  long  as  the  first  and  second  fnniclar 
joints  united;  second  fnniclar  joint  very  little  longer  than  the  first; 
third  and  fourth  small,  transverse;  fifth  much  wider,  transverse;  club 
3-jointed,  black,  the  joints  loosely  joined,  the  first  two  subcjuadrate, 
very  slightly  serrate  toward  one  side  at  apex,  last  joint  oblong.  Tho- 
rax convex,  without  furrows  or  oidy  slightly  indicated  i>osteriorly,  the 
little  lobe  thus  formed  i)ro.jectiug  slightly  upon  the  scutellum.  Scu- 
tellum subconvex,  foveated  at  base  and  with  oidy  a  slight  tubercle  at 
tip,  the  tubercle  being  subobsolete.  Metathorax  and  petiole  subpu- 
bescent.  Wings  hyaline.  Abdomen  ovate,  depressed,  polished,  im- 
punctured,  the  petiole  scarcely  as  long  as  wide. 

S.  Length,!"".  Differs  only  in  tho  antemue,  the  club  being  5-, 
jointed,  pale,  the  first  and  third  fnniclar  joints  small,  the  second  being 
stouter  and  about  thrice  as  long  as  thick. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 


MONOGRAPH  OF  THK  NOHTII  AMERICAN  PKOCToTUYPIDiE.     277 
IsorhombuB  arizoneiisis.  sp.  imv. 

5.  Lenjjtli,  -""".  Black,  highly  polished;  i>avapsi(lal  furrows  ob- 
Roletci  anteriorly.  Head  very  wide,  not  very  thick  a ntero  posteriorly, 
the  lateral  ocelli  I'ar  away  from  the  margin  of  the  eye.  Mandibles 
j>iceous.  Antenna!  lOjointed,  rnfo-j)iceon8,  the  Hagellnm  twice  the 
length  of  tlio  scape;  pedicel  a  little  longer  than  thick;  Joint  1  of  funi- 
cle  very  minnte,  closely  Joined  to  the  secojid,  sec<Hi<l  about  twice  the 
length  of  third;  club  5 Jointed,  cylindric,  the  Joints,  except  the  last, 
nearly  equal,  longer  than  thick,  the  last  cone-shaped,  a  little  longer 
than  the  penultimate.  Scntellum  conit-ally  ehnate<l  posteriorly,  de- 
pressed at  base,  sparsely  pubescent  aiul  with  a  small  acute  spine  at 
tip.  MetiJthorax,  hind  coxa?  and  petiole,  pubescent.  Legs  brownish- 
yellow,  the  coxa^  black.  Teguhe  black.  Wings  hyaline,  ])ube8cent, 
extending,  when  folded,  scarcely  beyond  the  tip  of  the  abd(unen.  A.b- 
domen  long  oval,  pidished,  alxmt  as  long  as  the  head  and  thorax 
together,  the  basal  Joint  very  little  longer  than  wide,  densely  pubes- 
cent, the  margin  very  wide. 

HahitAT. — Fort  Huachuca,  Ariz. 

Type  in  National  Museum. 

Described  from  a  single  specimen,  reared  May  S,  1S83,  from  a  Cecido- 
myiid  gall  ou  an  unknown  plant,  sent  to  the  Department  by  Mr.  H.  K. 
Morrison. 

POLYMBCUS  Forntor. 

Hym.  Stud.,  ii,  p.  144  (18.t6). 
Ectadiutt  Fiirster,  loc.  oit.,  p.  108. 
Epimeces  Westwood  (pars). 

(Type  1*.  craternH  Walk.) 

Head  transverse,  the  occiput  delicately  margined ;  ocelli  3,  in  a  curved 
line,  the  lateral  ocelli  only  their  width  from  the  eye  margin. 

Antenna'  lO-Jointed  in  both  sexes,  the  scape  long,  subclavate;  in 
the  9  the  club  is  4  or  5  Jointed,  when  4  Jointed  the  last  funicle  Joint  is 
shorter  than  the  preceding,  when  5-Jointed  the  last  two  funiclar  Joints 
about  equal  or  the  last  the  longer;  in  $  with  a  O-Jointed,  bearded  club, 
the  second  funiclar  Joint  being  somewhat  swollen  and  curved  or  twisted, 
the  first  being  small. 

Thorax  ovate,  the  i)rothorax  distinct  from  above,  the  mesouotum 
much  longer  than  wide  (nearly  twice  as  long  as  wide),  usually  with  2 
distinct  furrows;  scntellum  convex,  often,  but  not  always,  with  a  tuber- 
cle or  spine  at  tip,  the  basal  i)art  of  the  middle  lobe  of  mesonotum  pro- 
jecting slightly  upon  it  at  base;  inetathorax  short,  with  2  carintedown 
the  center,  the  metapleura  densely  jjubesceut. 

Front  wings  pubescent,  veinless,  rarely  with  the  subinarginal  nerv- 
ure  visible,  when  present  not  knobbed  at  tip;  in  9  the  wings,  when 
folded,  do  not  extend  to  the  apex  of  the  long  abdomen. 


278  BULLETm    ir.,  UNITED   STATES   NATIONAL    MUSEUM. 

AbdoiiHMi  ill  the  9  j^reutly  1«Mijitheiu'tl,  usually  t^sUv  or  more  tlmn 
twice  thi'  lougtli  of  tlu'  Ih'jkI  aii<l  tlioiax  to^iotlicr,  sinuat«Ml  or  slijjlitly 
eoiitnicted  beyond  the  middle,  the  apii-al  nortioii  Ikmii^'  iiarro\ve<l  and 
pointed;  the  Ke<-ond  se<;inent,  as  usual,  is  the  lonji'esf.  hut  the  follow- 
ing are  .also  lengthened;  in  the  3  oblong-oval  as  long  as  tlie  head  and 
thorax  together,  the  second  segment  very  long,  the  following  all  short, 
the  terminal  segnu'ut  curving  downward  and  with  a  distinct  margin. 

Legs  clavate,  the  ]>asal  Joint  of  hind  tarsi  not  (|uite  twi«'e  the  length 
oi"  the  second. 

The  very  long,  i>ointe<l  abdomen  distinguishes  tlu*  genus. 

TAULE   OF   SPECIES. 

FKMAI.K8. 

Hea«l  fiiK'ly  punctate,  tlie  thorax  smootli,  iinpnnctured 3 

Head  and  tliorax  finely  mioroscopic  ally  punctate  or  shagreened. 

All  coxa'  black ". 2 

Ilind  coxii^  alone  black ;  legs lufonss. 

Second  fnniclar  joint  as  long  as  the  pedicel P.  canadensis  Aslini. 

Second  fani<lar  joint  shorter  than  the  j>edicel P.  a^ikricants  Aslnn. 

2.  Femora  black  or  brown  black,  tibia-  and  tarsi  rnfons. 

Fifth  abdominal  segment  mnch  longer  than  the  last P.  nigrifemir  Aslim. 

Fifth  abdominal  segment  shorter  than  the  last P.  vancouverexsis.  sp.  n. 

Legs  i>iceons,  anterior  tibia',  base  of  middle  and  posterior  tibite  and  all  tarsi  houey- 
yellow;  antennie  black. 
First  funiclar  joint  contracted,  not  longer  than  thick,  collar  not  striate  at 

sides P.  LiriNicoLA,  sp.  nov. 

First  fnniclar  joint  longer  than  thick ;  collar  striate  at  sides.  P.  picipes,  sp.  nov. 
Legs  brownish-yellow;   second  funiclar  joint  about  half  the  length  of  the 

pedicel P.  PALUPES  Ashm. 

Legs  honey-yellow ;  scape  and  the  pedicel  at  tip,  yellow. P.  melliscapus,  sp.  nov. 

3.  Abdomen  21  times  as  lonir  as  the  li  ad  and  thorax  together;  very  strongly  de- 

pressed, when  viewed  fn  ni  the  side  cultriform.     Coxa'  piceous;  legs 

bright  yeliow P.  compressiventris,  sp.  nov. 

Abdomen  H  times  as  long  as  the  head  and  thorax  together,  not  depressed. 

Coxjt  and  legs,  yellow P.  auripes,  sp.  nov. 

Coxie  black ;  tip  of  anterior  femora  and  tibia',  base  of  middle  andiiosterior  tibia; 

and  all  tarsi,  honey-yellow P.  alnicola,  sp.  nov. 

Polymecus  canadensis  Ashm. 

Ectadiua  cnnadensh  Ashm.,  Can.  Ent.,  xx,  p.  .51. 

9.  Length, 3""".  Polished  black;  the  head  poste .iorly  very  finely 
shagreened  and  delicately  transversely  striated;  lateral  ocelli  about 
twice  their  width  from  the  eye ;  face  jwlished,  impunctured.  The  front 
ocellus  with  a  transverse  furrow  at  base  before ;  mandibles  black.  Anten- 
nae 10-jointed,  brown  black,  the  scape  tinged  with  rufous ;  pedicel  as  long 
as  the  second  funiclar  joint  but  not  so  thick;  first  funiclar  joint  small; 
club  6-jointed,  the  first  two  joints  a  little  more  slender  than  the  following, 
the  first,  a  little  longer  than  the  second;  joints  3,  4,  and  5  about  equal 
in  length,  1^  times  longer  than  thick,  the  upper,  outer  angle  of  each 


MONOGRAPH  OK  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     279 

joint  very  acute,  the  last  joint  i'onicul,  longer  than  the  preceding. 
Mesonotuni  with  two  distinct  furrows.  Metathorax,  including  the  jjleura 
and  the  tirst  abdominal  segment,  hoth  ahove  and  beneath,  densely  im- 
bes<'ent.  Tegula*  rutb-pi«'eous.  AVings  clear  hyaline.  Legs  rufous, 
the  i)08terior  coxa*  basally  i)iceous.  Abdomen  greatly  elongated,  more 
than  twice  the  length  of  tlu^  head  an<l  thorax  unit«'d,  narrowed  into  a 
long  tail  fnun  the  apex  of  the  second  segment,  the  three  terminal  seg- 
ments subequal  in  length. 

Habitat. — Ottawa,  ( 'anada. 

Type  in  Coll.  Ashmcad. 

Describe<l  from  a  single  specimen  received  fiom  Mr.  VV.  Hague  Har 
ringtun. 

PolymeciiB  americauus  AhIiiii. 

EpimeceH  americnmiM  Ashm.,  ('an.  Eiit.,  xix.  p.  129. 
L'ctadiiis  amerieamia  Cr.  Syn.  Hyni.,  p.  249. 

?.  Length,  1  to  1.8""".  Polished  black;  the  head  behind  finely, 
opaquely  sculptured;  face  highly  polished;  mandibles  rufous.  An- 
tennae 10-jointed,  rtifousor  piceous,  sometimes  brown  black ;  pedicel  a  lit- 
tle longer  than  the  second  fnniclar  joint,  but  more  slender;  first  funiclar 
joint  minute;  club  snbclavate,  the  first  and  second  joints  unequal  in 
length,  the  first  slightly  the  longer  and  slenderer;  joints  3,  4,  and  5 
not  longer  than  wide  at  tip,  the  outer  posterior  angle  acute,  last  joint 
c<mical,  a  little  longer  than  the  preceding.  Mesonotum  with  two  deli- 
cate but  distinct  furrows;  teguhe  black.  Wings  hyaline,  very  slightly 
tinged.  Legs  dark  rufous  to  jiiceous,  the  trochanters,  knees,  anterior 
tibije,  and  the  tarsi,  paler.  Abdomen  about  one  and  a  half  times  as 
long  as  the  head  and  thorax  united,  or  twice  the  length  of  the  thorax, 
the  third  segment  a  little  longer  than  the  fourth,  the  others  subequal 
in  length,  the  last  being  about  one-third  the  length  of  the  fourth, 
pointed  and  obliquely  truncate  from  above;  the  penultimate  is  twice 
as  long  as  wide. 

Habitat. — Jacksonville  sind  Fort  (Jeorge  Island,  Fla. 

Types  in  Coll.  Ashmead. 

Polymecus  pallipes  Asliin. 
(I'l.  xir,  Fig.  3,  9.) 
EctadiuH  pallipes  A«hm.,  Ball.  X<>.  1,  Col.  Biol.  Assoc,  p.  9,  1890. 

2  .  Length,  2.6'"'".  Black,  snbopaque,  fln<dy  granulately  sculptured ; 
face  smooth,  pr)lished,  microsco])i(!ally  transversely  aciculated  just  above 
the  insertion  of  the  antennic.  Mandibles  rufous.  Antennae  lO-jointed, 
the  flagellum  one  and  a  half  times  as  long  as  the  scape;  the  scape, 
pedicel,  and  the  three  or  fiuir  following  joints  pale  brownish-yellow,  the. 
joints  beyond  black  or  brown-black;  the  pedicel  is  thrice  as  long  as 
thick,  the  first  joint  of  flagellum  small,  annular,  the  three  following 


280  BULLETIN    15,  UNIiED   STATES   NATIONAL    MUSEUM. 

joints  cylindrical,  less  than  twice  as  long  as  thick,  the  four  terminal 
joints  much  thicker  and  larger,  the  last  being  twice  as  long  as  tliick, 
the  others  a  little  shorter. 

Theparapsidal  grooves  are  distinct,  converging  posteriorly ;  the  middle 
lo])e  thus  formed  projects  slightly  on  to  thescutellum.  Scutellum  sub- 
convex.  Pleura  smooth,  polished,  the  mesopleura  with  a  grooved  fur- 
row extending  obliquely  to  the  base  of  middle  coxa' ;  metajdeura  densely 
pubescent;  tlie  petiole  and  the  hind  coxa'  at  base  are  also  slightly 
pubescent.  Legs  uniforndy  pale  brownish-yellow,  with  all  coxic  black. 
Abdomen  about  twice  as  long  as  the  head  and  thorax  together,  and 
projecting  considerably  beyon<l  the  tips  of  the  wings  when  fohb'd. 
Wings  hyaline,  pubescent. 

The  S  measures  but  2"'".  in  length;  the  fac«^  is  sculptured  as  the  rest 
of  the  body,  and  the  autenuie  are  a\ holly  pale  brown:  otherwise 
^imilfir  to  the  9  ,  except  the  following  structural  differences:  The  an- 
teinue  are  shorter,  the  club  0-jointed  instead*  of  4-joiuted,  the  pedicel 
only  a  little  longer  than  wide;  the  first  joint  of  tlagellum  is  small  but 
triangular,  the  second  enlarged,  sw<dlen,  nearly  as  broad  as  long;  the 
following  0  joints,  which  constitute  the  club,  are  narrower  and  cylin- 
drical, the  first  the  shortest ,  the  terminal  one  the  longest,  being  about 
twice  as  long  as  the  preceding.  The  abdomen  is  not  much  longer  than 
the  head  and  thorax  together,  and  the  wings,  when  folded,  project  be- 
yond its  tip.     It  might  easily  be  mistaken  for  a  genuine  Platygnster. 

Habitat. — Greeley,  roh>. 

Types  5  9,3  i  specimens  in  Coll.  Ashmead. 

Obtained  tlirough  II.  F.  AVickham. 

Polymecus  lugrlfemur  Ashm. 
Ectadiun  Higrifmnur  Ashiu.,  l'>ull.  No.  1,  Col.  Hiol.  Assoc,  p.  10. 

?.  Length,  3  to  3.2'"'".  Black;  sculptured  as  in  previous  species, 
except  that  the  face  is  not  so  smooth.  Antennje  wholly  black,  the  pedicel 
about  twice  as  long  as  thick ;  otherwise  the  joints  are  similar  to  paJUpes. 
All  coxa'  and  femora  black,  the  tibisc  and  tarsi,  reddish;  sometimes  the 
anterior  femora  are  also  red,  but  usually  they  are  piceous  or  obscured 
above;  the  tibiie,  too,  are  sometimes  more  or  less  dusky.  Abdomen 
more  than  twice  longer  than  the  head  and  thoi-ax  combined,  the  petiole 
being  more  pubescent  than  usual,  the  sides  being  almost  as  densely 
pubescent  as  the  metapleura.     Wings  hyaline. 

The  i  is  but  2""  in  length,  and  agrees  in  color  and  sculpture  with 
the  $  ,  except  that  the  tibia*  and  tarsi  are  darker  than  in  that  sex; 
structurally  it  is  like  the  S  nfpaUipes. 

II Am  TAT. — ( Jreely,  Colo. 

Types  4  S  ,  3  S  ,  specimens  in  C(dl.  Ashmead. 

Obtained  from  Mr.  H.  F.  Wickham. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PUOCTOTRYPID^.     281 

Polymecus  vancouverensis,  sp.  nov. 

9  .  Lenjiftb,  2.8'"'.  Black,  subopiuiue,  <;losely,  microscopically  sha- 
greened.  Aiitenuie  black,  the  auteimal  tubercles  yellow;  the  first  autl 
se<;oii(l  club  joints  quadrate,  the  third,  fourth,  and  fifth  not  longer  than 
wide  at  tii>,  the  upper  outer  angle  acute,  the  last  joint  conical,  twice 
the  length  «>f  the  preceding.  I.<'gs  piceous-black ;  the  tibiic  fuscous, 
tarsi  pale  brown,  the  trochanters  and  base  of  tibia'  yellow.  Tegultii 
black.  Wings  clear  hyaline.  Abdomen  about  twice  the  length  of  the 
head  and  thorax  combined,  the  third  segment  half  tlie  length  of  the 
fourth,  the  fifth  and  sixth  of  an  e«pial  length,  one-third  longer  than  the 
fourth,  the  sixth  conical. 

Habitat, — Yauc(mver  Island. 

Type  in  Coll.  Aslimead. 

J  )escribed  from  a  single  si)ecimen  received  from  Mr.  W.  Hague  Har- 
rington. 

PolymecuB  lupinicola,  sj).  nov. 

^  9  .  Length,  1  to  l.<5" ' ".  Bl•^ck,  shining,  impunctured.  Head  trans- 
verse, as  broad  as  the  widest,  part  of  the  thorax,  the  vertex  posteriorly 
faintly  a(!i(;nlated.  Mandibles  black.  Antenna'  10-jointed,  black,  the 
flagellum  rather  slender,  not  quite  twice  as  long  as  the  scape;  i)edicel 
more  tlian  twice  as  long  as  thick  at  tip;  funicle  joints  slender,  cylin- 
dric,  the  first  nearly  twice  as  long  as  thick,  the  second  longer,  the 
third  slightly  shorter  than  the  second;  dub  5-jointed,  slightly  and 
gradually  thickened  toward  tip,  the  first  joint  twice  as  long  as  thick, 
the  seccmd,  third,  and  fourth  nearly  equal  in  length,  but  not  twice  as 
long  as  thick,  the  last  cone-shaped,  very  little  longer  than  the  preced- 
ing. Mesonotal  furrows  distinct  posteriorly,  becon)'ng  obsolete  ante- 
riorly, the  middle  lobe  projecting  slightly  on  the  scutellum,  the  lateral 
lobes  with  a  sparse  tuft  of  pubescence  at  ba^e.  JScutellum  con- 
vex, smooth,  shining,  with  a  small  tubercle  at  tip.  Metathorax 
pubescent.  Legs  black,  the  tarsi  fuscous  or  brown.  Wings  hyaline, 
pubescent,  but  not  fringed.  Abdomen  longer  than  the  head  and 
thorax  together,  pointed  at  apex,  contracte<l  from  the  apex  of  the 
second  segment;  the  fimrth  segment  is  one-third  longer  than  the  thiid; 
the  fifth  and  sixth  nearly  twice  the  length  of  the  fourth;  segments 
3  and  4  with  a  transverse  row  of  punctures;  fifth  aciculated  except 
at  base.  --; 

In  the  ^  the  legs  are  black,  except  the  anterior  tibife  and  all  tarsi 
which  are  pale  brown;  the  abdomen  is  oblong-oval,  not  longer  than 
the  thorax,  the  first  segment  and  the  second  with  the  foveolffi  at  base 
striate  or  aciculate,  otherwise  mostly  polished;  teguhe  rufo-piceous; 
autennje  black;  pedicel  shorter  than  the  second  funiclar  joint;  first 
ftiniclar  small,  subtriangular;  second  swollen,  a  little  curved;  club 
6-jointed,  the  joints  loosely  joined,  hairy,  the  first,  the  smallest,  the 


282  BULLETIN   45,  TNITED    STATES   NA'^^'IONAL    MUSEUM. 

last  tlie  largest,  intermediate  joints  a  little  longer  than  thick;  tubercle 
at  ti;)  of  sciitelluni  subobsolete ;  niesonotal  furrows  complete. 

Habitat. — San  Francisco,  Cal. 

Types  in  Nationj.1  Museum. 

Described  fiom  o  and  9  specimens,  reared  November,  1885;  from 
a  Cecidomyiid  gall  on  Lnj)inn,s  atfiorca,  (collected  by  Albert  Koebele. 

Polymecus  picipes,  sp.  iiov. 

5.  Length,  1.8  to  2™"'.  Black,  shining;  head  transverse,  the  vertex 
posteriorly  distinctly  shagreencd ;  face  smooth^  polished,  except  a  few 
transverse  lines  just  above  the  insertion  of  the  antenna';  legs  variable, 
from  a  rufo  piceous  to  almost  black,  the  trochanters,  tips  of  anterior 
tibiip,  base  of  u)i<ldle  and  posterior  tibia', -and  all  tarsi  pale  brownish 
or  honey-yellow.  Antenna'  lO-Jointed,  brown-black,  the  first  funiclar 
joint  a  little  longer  than  thick,  the  second  transverse,  the  third 
quadrate,  club  joints  obh>ng.  Mesonotal  furrows  complete,  the  middle 
lobe  projecting  slightly  on  the  scutelluni,  the  lateral  lobes  with  no 
tufts  of  pubescence  at  base.  Collar  and  mesopleura  striated.  Scutel- 
luni highly  convex,  subopaque,  without  a  tubercle  at  tip.  Metathorax 
bare  or  faintly  pubescent.     Teguhe  blat;k.     Wings  hyaline. 

Abdomen  more  than  twice  as  long  as  the  thorax,  the  petiole  coarsely 
striated,  the  base  of  second  segment  with  two  aciculated  foveohe  at  base. 

Habitat. — District  of  Columbia. 

Types  in  Coll.  Ashmead. 

Several  specimens. 

Polymecus  melliscapus,  sp.  nov. 

9.  Length,  25"".  Black,  subopaipxe,  very  faintly,  microscopically 
shagreened;  the  head  behind  and  the  face  transversely  aciculated. 
Scape,  pedicel,  and  legs  brownish-yellow;  llagellum  black;  pedicel 
about  as  long  as  the  first  and  second  funiclar  joints  united ;  joints  3, 4,  and 
5  of  club  not  longer  than  wide  at  ai)ex,  the  last  conical,  scarcely  twice 
as  long  as  the  penultimate.  Metathorax  and  petiole,  above  and  below, 
densely  pubescent.  Tegulic  black.  Wings  hyaline,  pubescent.  Abdo- 
men twice  the  length  of  the  head  and  thorax  iniited,  the  third  segment 
one-third  the  length  of  the  fimrth,  the  fifth  and  sixth  equal  in  length, 
a  little  longer  than  the  fourth,  the  sixth  beiiig  conical. 

Habitat. — Washington,  D.  C. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  coUect^'d  by  Mr.  E.  A.  Schwarz. 

Polymecus  compressiventris,  Hp.  nov. 

9 .  Length,  2.6"" .  I*olished,  black,  impunctured ;  the  aiitennne  and 
legs  golden-yellow,  the  fiagellum  very  slightly  obfuscated  at  tip.  The 
pedicel  is  oval,  not  quite  as  long  as  the  first  and  second  funiclar  joif^s 
united;  first  funi<lar  joint  narrowe«l,  but  twice  as  h>ng  as  thick;  the 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     283 

seooDd  stouter,  obconic;  tliiid  and  fonrtli  about  equal,  obeonio,  but 
hmger  tlian  tlie  second;  the  three  following  joints  bell-sha]»ed,  loosely 
joined,  the  last  conioal,  longer  than  the  preceding.  Thorax  with  two 
deep  furrows.  Teguhe  piceous.  Wings  hyaline.  Abdomen  u  little  more 
than  three  times  the  length  of  the  thorax,  very  long  and  acute,  and 
strongly  coniiaessed  from  above  and  below;  when  viewed  from  the  side, 
knife-shai)ed. 

Habitat. — Washington,  D.  C. 

Type  in  Coll.  Ashmead. 

Described  frcmi  a  single  specimen  collected  by  Mr.  E.  A.  Scliwarz. 
The  very  strongly  depressed  or  ilat  abdomen  and  the  length  of  the 
anteniial  joints  at  once  separate  this  s])ecies  from  -ill  other  described 
forms,  and  I  am  not  certain  but  that  they  are  of  suffl<'ient  importance 
to  establish  a  new  genus. 

Polymecus  auripes,  sp.  nov. 

9.  Length,  I""".,-  Black,  shining;  the  head  opaque,  closely,  micro- 
scopically i)unctate;  anteniiiB  and  legs  bright  g(>ldeu  yellow.  Thorax 
without  furrows, or  these  imly  faintly  indicated  posteriorly;  scutellum 
l)ubescent,  foveated  across  the  base  and  terminating  in  an  awl-shaped 
si)ine;  meta thorax  and  base  of  abdomen  densely  pubescent.  Tegula? 
prominent,  bla<k.  Wings  hyaline,  pubescent.  Abdomen  a  little  longer 
than  the  head  and  thorax  united,  gradually  c<mtracted  into  a  tail  from 
the  apex  of  the  second  segment;  the  third  segment  one-half  the  length 
of  the  fourth;  the  tifth  twice  as  long  as  thick,  and  as  long  or  a  little 
longer  than  the  third  and  fourth  segments  united;  the  sixth  or  last 
segment  <<)i!;»cd,  a  little  longer  than  the  fifth. 

Hauitat. — Virginia. 

Type  in  Coll.  Ashmeatl. 

The  small  size  and  the  color  of  the  legs  sufficiently  distinguish  the 
species. 

Polymecus  alnicola,  sp.  nov. 

$  ?  .  Length,  1.4  to  1.8"™.  Black,  shining,  the  head  and  dorsum  of 
thorax  finely,  microscopically  punctate.  Head  transverse.  Mandibles 
piceous.  Antennae  10-jointed,  black,  the  tip  of  the  pedicel  honey- 
yellow;  the  fiagellum  is  about  twice  as  long  as  the  scape;  pedicel 
twice  as  long  as  thick ;  first  funidar  joint  slender,  slightly  longer  than 
thick;  secon<l  twice  as  long  as  thick,  stouter;  third  and  fourth  about 
eqnal,  slightly  thicker  than  the  second;  club  joints,  except  the  last, 
cijual,  a  little  longer  than  thick,  the  last  cone-8hai>ed,  4iglitly  longer 
than  the  preceding.  Mesonotal  furrows  complete,  the  middle  lobe  not 
projecting  on  to  tlse  scutellum,  the  lateral  lobes  with  no  tufts  of  pubes- 
cence at  base.  Scutellum  highly  convex,  subopaque,  the  tip  with  the 
tubercle  subobsolciC.  Metathorax  sparsely  pubescent.  Legs  bla<'k, 
tips  of  anterior  femora,  their  tibia^  and  base  an<l  tips  of  middle  aud 
posterior  tibia?  and  all  tarsi  honey-yellow.     Wings  hyaline. 


284  BULLETIN    15,  UNITED    STATES   NATIONAL    MUSEUM. 

Abdomen  a  little  lonj>er  than  the  liead  and  thorax  together,  shaped 
as  in  P.  lupinkola. 

In  the  $  the  trochanters,  knees,  tips  of  tibia?  and  tarsi  are  honey- 
yellow;  abdomen  nsiulupitiicoht;  teguhe  rnfo  picivms ;  antenna^  black, 
the  first  fnnidar  joint  niinute,  the  second,  swollen,  cnrvcd;  clnb  6- 
jointed,  tlie. joints,  except  the  last,  very  little  longer  than  thick;  st^utel- 
Inni  not  tiibcrcnhir  at  tip. 

IlAiUTAT. — District  of  Colnmbia. 

Types  in  Xatiimal  IMnscnni. 

Described  from  3  and  9  specimens,  reared  April  30  and  May  1,  1884, 
from  a  C'ecidomyiid  gall,  Cccitlomyiu  nerrulata  O.  S.,  found  on  alder. 

SACTOQASTER  Foister. 
Ilym.  StiuK  ii,  p.  108,  1856. 
Epimecea  Westw.  (pars). 

(Type  E.  ventralis  Westw.) 

Head  transverse,  the  vertex  somewhat  acute,  .the  occiput  delicately 
margined;  ocelli  .">,  small,  triangularly  arranged,  the  lateral  distant 
from  the  margin  of  the  eye. 

Antenns^  10-Jointed  in  both  sexes,  in  9  teriuiiiating  in  a  l-jointed 
club;  in  $  with  a  a  jointed,  hairy  club,  the  joints  twice  as  long  as  thick, 
the  funicle  cylindrical,  the  i)edicel  shorter  than  the  flrst  two  funidar 
joints  united. 

Thorax  subovoid,  the  mesonotum  smooth,  a  little  longer  than  wide, 
without  furrows,  or  the  furrows  only  delicately  indicated  posteriorly; 
scutellum  convex,  ending  in  a  thorn,  bifoveated  at  base;  metatliorax 
very  short  with  a  median  carina,  the  nietapleura  with  a  silvery  or 
hoary  pubescence. 

Front  wings  veinless,  pubescent. 

Legs  <;lavate,  the  basal  joint  of  hind  tarsi  more  than  three  times  as 
long  as  the  sec<md. 

The  females  in  this  genus  are  rea^lily  separated  from  all  others,  by 
the  inflated  second  ventral  segment  of  the  abdomen,  the  males  by  the 
position  of  the  lateral  ocelli. 

The  two  species  in  our  fauna  may  be  thus  separated: 

TABLE   OF   SPECIES.  :       ". 

Head  closely,  finely,  microscopically  punctate,  shining. 

Thorax  microscopically  pnnctat*',  parapsidal  furrows  distinct  posteriorly;  scn- 
tellum,  iiicta]»le»irir  !ind  base  of  abdomen  with  a  silvery  j)ubc8cence; 
tail  not  longer  than  the  first  and  second  segments  together. 

S.  ANOMALIVENTRIS  Ashm. 

Head  polished  impnnctate. 

Thorax  polished,  without  a  trace  of  the  furrows ;  scntellnm  striated;  metapleura 
and  base  of  abdomen  bare ;  tail  nearly  twice  as  long  as  the  first  and 
second  segments  together S.  HowaRDII  Ashm. 


'  MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     285 

Sactogaster  aiiomaliventris. 
Ashra.  Can.  Ent..  xix.  p.  130,  9  ;  Cnsss.  Syu.  Hym.,  p.  249 

(J  9  .  Len-jth,  0.0  to  1 '""'.  Black,  sliiniiij;;  the  head  finely,  microscoj 
ically  puiKitate;  anteiin;e  and  lejjjs  black  or  brown-bhu-k;  trochanters, 
base  of  tibia*  and  anterior  tibia*  at  tip,  and  all  tarsi  ])aler  or  yellowish. 
The  lateral  ocelli  are  away  from  the  inarjjfin  of  tlie  ey«';  the  basal  three 
clnb Joints  are  transverse,  the  first  the  narrowest'  last  joint  conical; 
the  parapsidal  furrows  are  distinct  posteriorly;  the  s<;utelluni. nieta- 
plenra  and  base  of  abdomen  are  covered  with  a  silvery  pubescence; 
the  scuteilum  ends  in  an  awl-shaped  spine;  winjjs  hyaline;  the  inflated 
second  abdominal  sejjment  is  as  Icmgf  as  the  tail. 

The  S  differs  from  the  $  in  havinj;  an  oval  abdomen,  which  is  shorter 
than  the  thorax,  and  without  the  inflated  second  ventral  segment;  the 
antennal  club  is  4  Jointed,  the  basal  three  joints  being  equal,  quad- 
rate, the  funicle  slender,  while  the  thorax  is  subopaque  from  a  faiut, 
microscopic  punctuation. 

Habitat.— Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Many  specimens.    Not  rare  in  April  in  the  flower  of  gall-berry  {Ilex 

glaber),  and  possibly  a  parasite  on  some  Cecidomyiid  larvje  inhabiting 

these  flowers. 

Sactogaster  Hovrardii  Asbni. 

(PI.  xn,  Fiy.  4,  9.) 
Can.  Ent.,  xx,  p.  .52. 
'  9.  Length,  2""'".  Polished  black,  impnnctured;  the  face  convex, 
highly  x)olished;  mesonotum  without  a  trace  of  furrows;  scuteilum 
striated,  the  spine  about  twice  as  long  as  thick;  metapleura  at  base  a 
little  wrinkled;  antennse  and  legs  dark  rufous,  the  middle acd  posterior 
femora  and  tibiae  at  tips  fuscous.  Wings  hyaline.  Abdomen  about  twice 
as  long  as  the  head  and  thorax  united,  the  tail  being  about  twice  as 
long  as  the  inflated  second  segment;  the  apical  lateral  parts  of  the 
fourth  and  the  fifth  segments  wholly  opaque,  sculptured,  otherwise  the 
segments  are  smooth  and  shining. 

Habitat. — Washington,  D»  C. 

Type  in  Coll.  Ashmead. 

Dedicated  to  my  friend,  Mr.  L.  O.  Howard,  of  the  U.  S.  Department 
of  Agriculture.  In  the  highly  polished  surface,  entire  ab.sence  of  parap- 
sidal  furrows,  striated  scuteilum,  r  lie  bare  metapleura,  and  the  long  tail, 
it  is  quite  distinct  from  all  other  di^scribed  forms  in  this  peculiar  genus. 

S7NOPEAS  i'orster. 
Hym.  8tud.  ii,  p.  1  "). 

{Type  iS.  prospeclL  .) 

Head  transverse,  the  occiput  margiiiv  ocelli  three,  triangularly 
arranged;  the  lateral  far  away  from  the  margin  of  the  eye. 


286  BULLETIN    15,  UNITED   STATES    NATIONAL    MUSEUM. 

AnteiuiK'  10  Jointed  in  botli  sexes,  the  S('ai>e  nuich  lenjithened,  cla- 
vate;  club  in  female  4-jointed.  the  funiclar  joints  slender;  in  male  ii- 
jointed,  the  joints  cylindrical. 

Thorax  ovoid,  convex,  the  mesonotnm  with  or  without  furrows;  scu- 
telluiu  broad,  subconvex,  bifoveolated  at  base,  the  tip  ending  in  a 
minute  tubercle,  rarely  entirely  wantinj;,  and  usually  pubescent;  niet- 
athorax  very  short,  channeled  at  the  middle,  the  metapleura  usually 
densely  pubescent.    Wings,  veinless,  pubescent. 

Abdomen,  oblong-oval,  the  apex  a  little  more  pointed  in  the  9  ,  the  first 
segment  a  little  wider  than  long,  pubescent,  the  second  very  large. 

Legs  clavate,  the  basal  joint  of  hind  tarsi  twice  or  a  little  more  than 
twice  as  long  as  the  second. 

TABLE  OF   SPECIES. 

FKMALK.S. 

Alesoiiotnni  witliout  furrows,  or  tbest-  only  indicated  ]»osteriorly 2 

Mesonotnm  with  delicate  bnt  coiui»lete  furrows. 
Coxa'  black. 

Legs  brown  black. 
*  Antenna'  black,  first  and  third  funiclar  joints  small...  S.  nigripks,  sp.  nov. 

Legs  pale  rufous,  jiosterior  femora  dusky. 

Anteunai  pale  brown,  the  scape  rufous S.  nuFiPES,  sp.  nov. 

Coxa'  pale. 

Legs  pale  brown. 
Antenna'  dark  brown,   tirst  and  second  funiclar  joints  slender,  cylindrio, 

nearly  equal S.  iNEK.Mis  Ashm. 

2.  Mesouotal  furrows  indicated  posteriorly. 
Coxa'  brownish-piceous. 
Legs  yellowish  brown  or  brownish  yellow,  the  posterior  femora  and  tibia;  at 
tip  obfuscated,  with  sometimes  all  feuu)ra  dusky. 
Antenna-  ])ah'  brown,  tip  of  scape  and  the  club  dusky,  Joiufi*  I  and  3  of 

funicle  shorter  than  the  second S.  cokxuola,  sp.  nov. 

Legs,    including   coxse,    uniformly  brownish  yellow,  rarely  with    posterior 
femora  dusky. 
AntennsB  dark  brown,  the  lirst  three  funiclar  joints  longer  than  thick,  the 

first  the  shortest S.  antexxakijc,  sp.  nov. 

Mesouotal  furrows  entirely  wanting. 
Coxa>  black. 
Legs  reddish  yellow  or  honey  yellow,  the  middle  femora  and  the  posterior 
femora  and  tibise  dusky  or  black. 
Scape  rufous,  the  llagellum  brown S.  rufiscapus,  sp.  nov. 

Synopeas  nigripes,  sp.  nov.  ,    ■ 

S  .  Length,  l'"".  Black,  shining,  with  a  microscopic  sculpture;  the 
face  highly  polished,  with  a  median  impressed  line ;  lateral  ocelli  twice 
their  width  from  the  margin  of  the  eye.  Antennae  10-jointed,  black, 
the  flagellum  thickened  toward  the  apex,  covered  with  sparse  white 
hairs;  pedicel  as  long  as  the  first  and  second  funiclar  joints  together, 
the  first  funiclar  joint  small,  rounded ;  club  joints,  except  the  last,  longer 
than  wide,  the  last  ovate.    Mesonotum  with  2  delicate  furrows;  scu- 


MONOGKAPH  OF  THE  NORTH  AMERICAN  FBOCTOTRYPID.E.     287 

tellum  convex,  with  a  subobsolete  tuben^le  at  tip;  iiictapleiira  opaque, 
sparsely  pubescent;  metanotuni  subpubescent.  Legs  entirely  black, 
the  tarsi  piceous.  Teguhe  black.  Wings  clear  hyaline.  Abdomen  ovate, 
petiolate,  as  long  as  the  thorax,  the  petiole  and  the  base  of  second 
segment  Kstriated,  the  third,  fourth,  tifth,  and  sixth  segments  with  a 
transverse  row  of  tine  punctures. 

Habitat. — Washington,  D.  C. 

Type  iu  Coll.  Ashmead. 

Synopeas  rufipes.  sp.  uov. 

(PI.  XII,  Fig.  5,  $.) 

i  .  Length,  1.5""".  Subrobust,  black,  polished ;  the  head  posteriorly 
transversely  striated,  the  face  very  faintly  punctured;  lateral  ocelli  one 
and  a  half  times  their  width  from  the  margin  of  the  eye.  Antenna  10- 
jointed,  pale  brownish  yellow,  the  o-j( tinted  club  black;  pedicel  longer 
than  the  second  funidar  joint,  first  and  third  funiclar  joints  small,  the 
second  the  smaller,  the  club  joints  oval-moniliform.  Mesouotum,  with 
the  parapsidal  furrows  distinct  posteriorly,  the  base  of  the  middle  lobe 
projecting  slightly  upon  the  scutellum.  Teguhe  black.  Wings  hyaline. 
Legs  rufous,  the  coxa?  black.  Abdomen  ovate,  a  little  longer  than  the 
thorax,  the  petiole  and  the  foveolai  at  base  of  the  second  segment  stri- 
ated. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

Synopeas  inernus  \8bm. 
Bull.  No.  1,  ColL  Bioi.  Assoc,  p.  10. 

5  .  Length,  1.4""".  Black,  alutaceous  shining.  Antennae  10-jointed, 
reddish,  the  pedicel  twice  as  long  as  thick,  the  three  tollowing  joints 
very  slender,  cylindrical,  the  first  two  about  e<iual  in  length  and  twice 
as  long  as  thick,  the  third  hardly  half  as  long  as  the  second,  the  fourth 
short  but  stouter,  not  longer  than  thick;  the  four  following  joints,  com- 
prising the  club,  are  much  stouter ;  the  first  of  these  is  the  shortest,  the 
second  and  third  about  twice  as  long  as  thick,  the  fourth,  or  terminal 
joint,  being  the  longest  and  more  than  twice  as  long  as  thick;  these 
joints  are  slightly  pedicellate. 

Thorax  with  grooves  only  faintly  indicated.  Mesopleura  smooth  and 
only  slightly  impressed  on  the  disk.  Metapleura  and  petiole  hairy. 
Legs,  including  coxae,  honey  yellow,  the  tarsi,  except  the  terminal 
joint,  pale  or  whitish.  The  abdomen  is  about  one-third  longer  than  the 
head  and  thorax  together,  prolonged  into  a  point  at  apex,  the  second 
segment  occupying  fully  more  than  one-half  of  its  whole  surface,  the 
segments  beyond  nearly  equal.    Wings  hyaline,  pubescent. 

Habitat.— West  Cliff,  Colo. 

Type  in  Coll.  Ashmead. 

Described  from  a  specimen  received  from  Mr.  T.  D.  A.  Cockerell. 


288  BULLETIN    45,  UNITED    STATES    NATIONAL    MUSEUM. 

Synopeas  cornicola,  sj).  nov. 

ij  9.  Lei)j;tli,  1  to  1.4""".  Polished,  blju'k,  inipnnctiired.  TTead  a 
little  wider  tliaii  the  thorax,  the  vertex  posteriorly  not  iicii-ulatt'd.  Aii- 
teuiiu'  10  joiiit**<l,  pale  brown,  the  scape  and  the  club  dusky  or  luseous; 
the  first  and  third  funiclar  joints  longer  than  thick,  but  still  shorter 
than  the  second;  club  4  jointed,  a  little  thickened  toward  apex.  Tho- 
rax ovoid,  smootii,  polished,  with'  a  very  sparse  pubescence,  thickest 
near  the  scutelhnu;  parai>si(hil  furrows  distinct  only  posteriorly,  ante- 
riorly obliterated;  scutelluni  a  little  elevated  posteriorly,  very  pubes- 
cent, the  tuben'le  covered  with  hairs;  nietapleura  woolly.  Teguhe  ruto- 
piceous.  Wings  hyaline,  pubescent.  Legs  pale  brownish  yellow,  the 
coxie  brown,  the  postt'rior  femora  and  tibiiv  at  tips,  obfuscated.  Abdo- 
men oblong-oval,  as  h)ng  as  the  head  and  thorax  together,  the  i)etiole 
striated,  sparsely  pubescent,  the  second  segment  with  2  oblong  foveolw 
at  base,  one  on  ea<'h  side. 

Habitat. — Kirkwood,  Mo. 

Types  in  National  Museum. 

Described  from  specimens  reared  April  3,  1887,  by  Miss  Mary  Murt- 
feldt,  from  a  Cecidomyiid  gall  on  Cornvs  paniculata,  at  Kirkwood,  Mo. 

Synopeas  antennariae,  sp.  nov. 

i  9.  Length,  0.8  to  1.1""".  Polished,  black,  impunctured;  vertex 
of  head  posteriorly  with  a  few  faint  aciculations.  Antenna^  10  jointed, 
dark  brown,  the  tlagellum  subclavate,  the  tirst  funiclar  joint  small  but 
still  longer  than  thick  and  a  little  longer  than  the  third,  the  club 
5-jointed,  the  joints,  except  the  last,  scarcely  twice  as  long  as  thick. 
Thorax  with  the  mesonotal  furrows  indicated  only  i)osteriorly ;  scu- 
telluni subconvex,  smooth,  not  pubescent,  the  spine  or  tubercle  want- 
ing; metapleura  sparsely  pubescent.  Teguhe  brown  or  rufous. 
Wings  hyaline,  legs  reddish  yellow,  the  coxa;  brownish,  the  posterior 
femora  sometimes  dusky.  Abdomen  long-ovate,  distinctly  longer  than 
the  head  and  thorax  together,  the  petiole  grooved  and  with  a  sparse 
pubescence. 

In  the  $  the  abdomen  is  oblong-oval,  about  as  long  as  the 
head  and  thorax  united;  the  legs  uniformly  bright  yellow;  the 
antenna?  pale  brown,  the  tirst  funiclar  joint  very  small,  rounded,  the 
second  a  little  swollen  and  curved,  about  as  long  as  the  pedicel,  while 
the  club  joints  are  all  longer  than  thick. 

Habitat. — Milwaukee,  Wis. 

Types  in  National  Museum. 

Described  from  many  specimens,  in  both  sexes,  reared  May  31, 1888, 
by  Mr.  William  M.  Wheeler,  from  Cecidomyia  antennaria  Whir. 

Synopeas  rufiscapus,  sp.  nov. 

S  9.  Length,  1  to  1.1""'.  Polished,  black,  impunctured;  lateral 
ocelli  about  twice  their  width  &om  the  margin  of  the  eye,  but  still  a 


MONOUKAI'H  OF  THE  NOUril  AMKKK'AN  I'KOCTOTItYI'lD.E.      2S!) 

little  iioarer  to  the  iiiarjjiu  of  the  eye  than  to  the  front  ocellus.  Scape 
and  legs  rethlish  yellow,  the  coxa*  black,  the  posterior  femora  and  the 
tips  (»f  the  posterior  tibia*  fuscous.  Tlie  pedicel  is  much  stouter  than 
th«'  fuiiicle;  the  first  two  funiclar  Joints  about  e<jual,  cylindric.  the 
third  and  fourth  small,  rounded;  club  4-.jointed,  the  first  three  trans- 
verse, the  last  ovate.  Mesonotuui  without  furrows;  scutellum  foveated 
at  base;  metathorax  short,  pubescent.  Teguhe  black.  Wings  hyaline. 
Al)domen  sessile,  short-oval,  a  little  shorter  than  the  thorax,  the  base 
densely  i)ubescent. 

In  t'ae  S  the  legs,  except  the  coxa^,  are  wholly  reddish-yellow;  the 
antenn.elong,  tlie  scape,  pedicel,  and  first  funiclar  joint  yellow,  the  fol- 
lowing joints  brown-black;  the  second  funi(;lar  joint  is  as  long  as  the 
l)edicel  and  first  funiclar  joint  nnited,  stout,  the  following  joints  more 
slender,  cylindric,  and  about  2^  times  as  long  as  thi"k,  the  apical  joint 
a  little  thicker  thiin  the  basal;  scutellum  with  a  minute  tubercle  at 
tip;  metathorax  and  base  of  abdomen  covered  with  a  dense  whitish 
pubescence;  while  the  abdomen  is  oval,  nuich  shorter  than  the  thorax. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Synopeas  melanocerus  Ai^hui. 
Can.  Ent.,  xix,  p.  130,  5  ^  ;  Cress.  Syn.  llyiii.,  \t.  249. 

S  .  Length,  2.1""".  Black,  polished;  face  faintly  alutaceous,  with  a 
central  furrow.  Lateral  ocelli  as  near  to  the  front  ocellus  as  to  the 
margin  of  the  eye.  Antenna?  10-jointed,  long,  filiform,  black,  the  joints 
after  the  fourth  long,  cylindrical,  about  4  times  as  long  as  thi<;k;  pedi- 
cel as  long  as  the  first  and  secou''  ftiniclar  joints  united;  the  first  funi- 
clar joint  small,  the  second  thickened  and  curved.  Mesonotum  with 
2  distinct  furrows.  Metathorax  very  sparsely  pubescent.  Teguhe 
piceous.  Wings  hyaline.  Legs  piceon-.,  the  coxa;  black,  the  anterior 
legs  reddislwyellow.  Abdomen  as  long  as  the  head  and  thorax  united, 
oblong-oval,  the  petiole  and  the  foveohe  at  base  of  the  second  segment 
striated. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead.  •  . 

CCELOPELTA  Ashm.  gen.  nov. 
(Type  C.  mirabilis  Aahm.) 

Head  transverse,  the  occiput  scarcely  margined,  the  lateral  ocelli  as 
near  to  the  front  ocellus  as  to  the  margin  of  the  eye. 

Antenna;  in  5  9-jointed,  ending  in  a  4-jointed  club;  the  scape  very 
slender,  notextending  beyond  the  ocelli ;  pedicel  very  small ;  first  funiclar 
joint  a  little  shorter  than  the  second,  the  second  fully  twice  as  long  as 
thick;  the  third  sub  triangular;  club  joints  elliptic-oval,  loosely  joined. 

Thorax  ovoid,  convex,  the  mesonotum  very  little  longer  than  wide, 

21899— No.  4^-5 19 


290  BULLETIN    15,  UNITED   STATES    NATIONAL    MUSEUM. 

with  faint  indiciitions  of  parapsiilal  fiinows  posti'iiorly;  scutollum 
cnimliforin,  similar  to  tlu' Cyiiipid  f>eim.s  Eucoila;  metatliorax  pubes- 
cent, with  Literal  earina-. 

Winpfs  veinless,  sliglitly  fringed. 

Abdomen  ovate,  petiohite,  the  jH'tiole  lonjjer  than  thick,  striated. 

Lejfs  chxvate,  tlie  tibial  spars  weak,  scarcely  develo]K'd,  the  tarsi  .")- 
jointed,  a  little  lonjjer  tlian  the  tibia',  the  basal  joint  of  hind  tarsi  fully 
3  times  as  long  as  the  second. 

A  remarkable  genus  readily  distinguished  by  the  cupnliform  scntel- 
luni  and  aftbrding  additional  evidence  of  the  close  atlinities  existing  be- 
tween the  ProctotiypUkv  and  the  parasitic  CifHipida: 

Ccelopelta  mirabllis,  h]>.  nov. 
(PI.  xii.FiK.  (i,^.) 

i.  Length,  0.8'"".  Bhu-k,  polished;  a;:tenna'  brown,  the  scape 
yellow;  legs  reddish  yellow,  the  coxa'  black;  nietath<nax  with  a  silvery 
pubescence;  wings  hyaline,  iridescent,  the  hind  wings  rounded  at 
apex,  with  long  cilia;  abdomen  ovate,  polished,  the  petiole  subopa([ue, 
striated  and  bare. 

Habitat. — St.  Vincent,  W.  I. 

Type  in  National  Museum. 

Described  from  a  single  specimen  <!ollected  by  Herbert  H.  Smith. 

ANOPEDIAS  Foistor. 
Hym.  Stud.,  ii,  p.  108  (18r)6). 

Head  transverse,  the  occiput  not  or  indistinctly  margined;  ocelli  3, 
triangularly  arranged,  the  lateral  usually  wide  from  the  eye  nuirgin. 

Antennae  10-jointed  in  botli  sexes,  club  in  the  $4-jointed,  the  joints 
being  but  slightly  thicker  than  the  funicle,  cylindric,  much  longer  than 
thick,  the  first  funiclar  joint  small,  the  second,  third,  and  fourth  nearly 
equal;  in  S  ending  in  a  5-  or  6-jointed  club,  the  joints  loosely  joined,  the 
last  the  largest  and  thickest,  ovate  or  cone-shaped,  the  first  funiclar  joint 
very  minute. 

Thorax  ovoid,  the  mesonotum  rather  short,  convex,  without  furrows, 
or  with  the  furrows  exceedingly  delicate  and  so  tine  as  to  be  overlooked 
without  a  strong  lens;  scutellum  tlat  or  subconvex,  unarmed  at  apex 
and  without  fovea?  at  base,  separated  from  the  mesonotum  by  a  delicate, 
transverse, impressed  line;  metathorax  very  short,  with  2  dorsal  carinai 
and  lateral  carinte. 

Wings  veinless.  ' 

Abdomen  in  9  ovate  or  pointed,  in  S  oblong-oval,  longer  than  the 
thorax,  or  the  thorax  and  head  united,  the  first  segment  i)etioliform, 
the  second,  very  large,  with  2  foveohei  at  base. 

Legs  clavate,  the  tarsi  longer  than  their  tibise,  the  basal  joint  of  hind 
tarsi  a  little  more  than  twice  the  length  of  the  second. 


MONOUKAI'II  OF  THE  NORTH  AMKKICAN  PUOCTOTUYPID.E.     291 

Distiiiffiiislicd  at  once  by  tlu*.  Hliajje  of  tin'  aiittMiiia',  ami  tin*  tlat  or 
subcoiivcx  scut^'lliun,  wliirli  is  not  foveatcd  at  base,  brinj,^  separated 
froiii  tiie  iiiesoiiotiim  by  a  (b'lieate  tiansvei'se  line. 

F('trster  indicated  no  type.  Thomson's  definition  of  the  genus  is  (iuite 
ditleieut  from  mine. 

Anopedias  error  Fitch. 
(I'l.  \i'.  Fig.  7.  9.) 
PlatygaaUr  rrror  Fitih.  Sixtli  N.  Y.  Ut'\>..  |».  7t).  PI.  1.  Fi;;.  I. 

^  9.  Lenjrtli,  1  to  1.2  '".  Polislie<l  black,  iinpunctured.  Head 
transverse,  as  wide  as  the  thorax  across  jioni  wing  to  wing,  the  vertex 
posteriorly  ))olished,  without  trace  of  aciculations.  Antenna'  10  Jointed, 
blaek,  the  flagelluin  subdavate;  pedicel  pale  at  tip,  as  long  as  the 
tirst  two  funiclar  joints  together;  first  funiclar  joinrminut<»;  the  second, 
third,  and  fourth  nearly  equal;  club  i.jointed,  very  slightly  thicker  than 
the  funicle,  all  the  joints  distinctly  longer  than  wide,  the  first  the  short- 
est, the  last  the  longest.  Thorax  long  ovrte,  polished,  itnpunctur«*d, 
the  parapsi(hil  furrows  very  faint;  scutelluni  flattened,  or  subconvex, 
.sei)arated  from  the  mesonotiim  by  a  very  delicate,  transverse,  impresse<l 
line ;  nieso])leura  smooth ;  metapleura  strongly  sericeous.  Tegula'  black. 
Wings  hyaline,  iridescent,  pubescent  and  fringed.  Legs  brown-black, 
the  trochanters,  tip  of  anterior  tibia',  and  all  the  tarsi  i)aler.  Abdomen 
oblong  ovate,  i)o]ished,  very  slightly  longer  than  the  thorax,  the  petiole 
coarsely  grooved,  the  second  segment  with  some  longitudinal  strije  at 
base. 

The  male  is  smaller,  the  abdomen  oval,  shorter  than  the  thorax,  while 
the  autenme  have  a  0-jointed,  slightly  pedicellate  club.  The  first 
funiclar  joint  is  very  minute,  nmnded,  closely  connected  with  the  sec- 
ond, the  second  a  little  curved  and  thickened,  truncate  at  tip;  the  first 
club  joiut  is  the  smallest,  the  others  Very  gradually  increase  to  the  last, 
oblong-oval  in  shape,  the  last  being  larger  and  thicker,  fusiform,  and 
nearly  twice  as  long  as  the  ])receding. 

Habitat. — New  York,  Washington,  1).  C,  Arlington,  Va.,  and  La- 
fayette, lud. 

Specimens  in  National  Museum. 

Described  from  $  aud  9  specimens,  reared  June  14,  18H4,  by  Mr.  F. 
M.  Webster,  from  lajjlosis  tritici, 

I  had  previously  identified  a  syieciesof  Poly</nofi(s  as  riatyf/aster  error 
Fitch,  but  a  more  careful  examination  of  Fitch's  figure  and  description 
satisfies  me  now  that  I  was  mistaken,  aud  that  the  species  described 
here  is  really  his  P.  error. 

The  identification  by  Dr.  Fitch  of  the  fragments  of  an  insect  sent  to 
him  by  Mr.  Herrick  and  reared  from  an  Hemiptenms  egg  (Nabis),  as 
his  PIdttfgaster  error,  was  certainly  erroneous,  since  it  was  undf)ubtedly 
nothing  but  a  species  of  Telenoinus,  as  Mr,  L.  O.  Howard  has  already 
pointed  out. 


2i)2  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

Auopedias  pentatomuB,  sp.  iiov. 

9  .  Lenj^th,  0.8""".  Polislu'd  black,  impiiuctured,  except  the  meta- 
thorax  and  iietiole;  parapsidal  furrows  entirely  wanting,  scntelluin 
snbconvex,  sei)arated  from  the  niesonotnni  by  a  transverse  jjrooved 
line;  metapleura  with  a  dense  sericeous  down;  petiole  sparsely  pubes- 
cent, striated;  lejj;s  and  antennjii,  except  the  5-jointed  club  which  is 
brown-black,  honey-yellow,  the  femora  and  tibiae  tinj^ed  with  red. 

The  head  is  broadly  transver.se,  uuich  wider  than  the  thorax,  the  fa<!e 
convex,  highly  polished,  the  lateral  ocelli  twice  their  width  from  the  bor- 
der of  the  eye.  Antenuic  10-jointed,  tlu'  scape  clavate,  very  slender  at 
base,  strongly  curved ;  pedicel  as  long  as  the  3  fnnidar  joints  together ; 
lirst  funiclar  joint  very  minute,  the  second  and  third  e,^  •>',  not  longer 
than  thick:  ciubo-jointed,  the  joints  a  little  h>nger  than  .i.ick.  Abdo- 
men ovate,  narrowed  "t  base,  the  base  of  the  second  segnieut  with  two 
long,  striated  foveohe  at  base. 

Habitat. — Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Anopedias  incertus. 
Ashm.,  Can.  Eiit.,  xix,  p.  ISX,  9  ;  Cress.,  Syii.  Hyiii.,  p.  249. 

9  .  Length,  1.0""".  Polished  black,  feebly  sericeous;  parapsidal  fur- 
rows faintly  indicated  ])Osteriorly;  scutellum  ending  in  a  small  tuber- 
cle; metapleura  covered  with  a  dense  silvery  white  pubescence;  legs 
and  antenna'  brownish  yellow  or  reddish,  the  4-jointed  club  and  the 
coxa  black,  the  middle  and  posterior  fenmra  obfuscated. 

The  head  is  transverse,  obliquely  narrowed  behind  the  eyes,  aluta 
ceous,  the  ocelli  not  (piite  touching  the  border  of  the  eye.  Antenme 
lO-jointed,  the  funicle  long  and  slender,  the  first  joint  as  long  as  the  h)ng 
and  slender  pedicel,  the  following  joints  shorter,  subecjual,  club  joints, 
except  the  last,  ([uadrate,  the  last  conical,  nearly  twice  as  long  as  the 
penultimate.  Abdomen  oblong  oval,  polished,  the  broadest  part  a  little 
wider  than  the  thorax,  the  first  segment  short,  densely  pubescent  above. 
S.  Length,  1.4"""".  Agrees  with  the  9  except  that  the  antenna*  and 
legs,  including  all  coxa',  are  brownish-yellow,  the  club  dusky,  tlie  abdo- 
men oval,  narrower  than  the  thorax. 

Hahitat, — Jacksonville,  Fla. 

Types  iu  Coll,  Ashmead, 

AMITUS  Hiilileiiiiiii. 

Sill.,  Am.  Jour.,  2<1  Ser.,  ix,  p.  1()!»,  1S50. 
Zacrita  Fiirster,  Kleiiie  M(»u.,  p.  46. 

(Type  A.  aleuiodinux  Hald. ) 

Head  transverse,  thr;  frons  snbconvex,  the  occii)ut  not  margined; 
ocelli  3,  subtriaTigularly  arranged,  the  lateral  distant  from  the  margin 
of  the  eye;  eyes  o  al. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDyE.     293 

Anteuiue  inserted  Just  above  the  clypens;  in  9  8  jointed,  the  scape 
subcliiviite,  lengthened,  exteadinj^  far  above  the  vertex;  pedicel  long, 
thicker  than  the  first  funichir  joint;  funichir  Joints  subeqnal,  gradually 
becoming  wider  and  shorter,  the  first  the  longest  and  slenderest;  club 
thicker  than  the  last  Joint  of  funide  and  as  long  as  the  two  ])receding 
Joints  together,  nnjointcd,  but  un<ler  a  higli  power  3  indistinct  Joints 
can  be  detected;  in  S  10-Joiuted,  verticillate  from  the  third  Joint;  ped- 
icel short  and  thick;  first  flagellar  Joint  as  long  as  the  pedicel  but 
thinner  and  obconic;  second  nearly  twice  the  length  of  first,  thicker 
at  apex  than  at  base;  third  to  last  cylindrical  and  subeqnal;  last  Joint 
elongate,  conical. 

Thorax  robust,  subovoid,  convex,  the  mesonotum  broader  than  long 
with  two  delicate  gnjoved  lines;  scutelluni  large,  semi<'ircular,  con- 
vex, separated  from  the  mesonotum  by  a  transverse  grooved  line  at 
base;  metathorax  exceedingly  short,  abrupt. 

Wings  broad,  ciliated,  veinless,  although  a  trace  of  the  submarginal 
vein  can  be  detected  when  the  wing  is  viewed  through  transmitted  light. 

Abdomen  broadly  ovate  or  subcordate,  sessile,  about  as  long  as  the 
thorax,  the  first  segment  very  short,  transverse;  the  second  very  large, 
occupying  most  of  the  surface. 

Legs  rather  long.  The  femora  clavate,  tibi;e  subclavate,  tarsi  slen- 
der, 5  Jointe<l,  longer  than  their  tibiu',  the  basal  Joint  of  hind  tarsi  2J 
times  as  long  as  the  second. 

Amitus  aleurodinis  H:il<l. 

(PI.  XII,  Fig.  8,  9.) 

AmitiisnlnirodhiiHUiM.,  Sil.  .Tour.  Sci..  2(1  ser.,  ix,  i>.  110,  1S."();  Cr.,  Syn.,  Hyin., 

p.  250, 
ElaptuH  alearodis  Forbes,  14th  III.  Rep.,  18Hi.  p.  110,  PI.  n,  Fi<i.  6,  9 
.-l/rtjjfKS  o/eMrof/is  Or.,  Syn.  Hym.,  p.  250. 

(J  9.  LengihO.75  to  1™".  Polished  black;  legs  variable  in  color, 
most  frequently  l)rownish  yellow  or  pale  rufons,  the  coxie  and  femora 
sometimes  dusky  or  blackish;  sometimes  only  the  hind  femora  and 
coxa',  black. 

Antenna^  in  9  8-Jointed,  as  long  as  the  body,  terminating  in  an  iin- 
Jointed  club,  brownisli  yellow,  the  club  brown;  the  pedicel  and  first 
funichir  Joint  long,  the  former  a  little  the  longer  and  thicker,  the  follow- 
ing joints  to  dnb  subeqnal  in  length  but  gradually  thickened;  in  $  10 
Jointed,  yellow,  the  flagellar  joints  with  verticillate  hairs.  Thorax  with 
2  delicate  furrows.    Metapleura  pubescent.     Wings  hyaline,  ciliated. 

Abdomen  broad,  about  as  long  as  the  thorax;  the  fii  U  segment  very 
short  rugose;  the  second,  except  foveohe  at  base,  and  the  following, 
smooth,  polished. 

Habitat. — Pennsylvania,  District  of  (\>lumbia,  and  Illinois. 

Types  in  Coll.  American  Entomological  Society. 

The  types  1  have  seen ;  they  are  still  preserved  in  tlie  Coll.  Ameri- 
can Entomological  Society,  although  in  poor  condition.    The  National 


294  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

Museum  contains  a  fresli  s])ecinien,  roared  March  20, 1.S82,  by  Hi".  Riley 
from  AJeuroileH  sp.  occurrinj;-  on  Aver  ilanifcarpina  at  Arlington,  Va., 
while  my  collection  contains  a  sinyle  specimen  cai)tnretl  with  the 
sweeping  net. 

Prof.  Haldeman  gives  the  following  interesting  facts  respecting  it: 
"Parasitic  <m  the  larva  of  Alcurodis  corni  llakl.,  of  which  it  destroys  a 
great  many.  1  found  it  with  that  insect  beneath  the  leaves  of  CoruKs 
sericcd  on  the  margin  of  a  water  coui'se.  It  leaps,  walks,  and  Hies  with 
facility,  and  when  toui'Jied  sinndates  death.  The  antenna;  are  kept  in 
a  constant  state  of  vibration.  I  have  kept  them  a  week  or  more,  liv 
ing  in  c(mlinement.  The  ova  (crushed  from  the  ovaries)  are  fusiform, 
rounded  at  one  extremity  and  prodnce<l  at  the  othei-  like  the  neck  of  a 
flask." 

The  insect  described  by  Prof.  Forbes  as  Ehcptus  aleuroilin,  reared 
from  Aleurodes  acerifi  Forbes,  is  evi«lently  i<leiitical. 

Geottroy  has  described  an  Aleurodes  accria  in  Europe,  and  I  woidd 
here  suggest  the  name  .1.  Forbcsii^  for  Prof.  Forlx     s  species. 

TRICHACIS  F<ir8t.'r. 

Hyiii.  Stud.,  11,  p.  108  (185(5). 

(Type,  T.pcsh  Walli.) 

Head  transverse;  the  frons  subconvex,  the  occiput  not<»r  only  deli- 
cately margined ;  ocelli  3,  in  a  triangle,  the  lateral  ocelli  their  width  away 
from  the  margin  of  the  eye. 

Antennas  10-jointed  in  both  sexes,  in  9  ending  in  a  o-joiuted  club, 
thelirstand  third  funiclar  joints  minute,  the  second  lengthened,  as  long 
as  the  pedicel  and  lirst  funiclar  joi  nt  t«  >gether ;  first  clu  b  Join  t  the  shortest, 
the  last  the  largest,  ovate;  in  S  with  the  club  thinner,  the,j<»ints  more 
elongate,  cylindrical,  the  first  and  second fnuidar  joints  h)ng,  notsnuiU, 
or  the  first  very  minute,  the  second  swollen. 

Thorax  ovate,  the  pronotum  produced  into  a  slight  neck  anteriorly; 
mesonotura  convex,  about  twice  as  long  as  wide,  with  2  deep  furrows; 
scutellum  somewhat  elevated,  Avith  a  tuft  of  hair  Tit  tip,  but  without  a 
thorn  or  tubercle;  metathorax  very  short,  with  two  me<lian  keels,  the 
pleura  pubescent. 

Wings  ciliated,  veinless,  the  submarginal  vein  traceable  basally. 

Abdomeu  in  9  conic-ovate,  4  Jointed,  the  first  segment petioliform,  stri- 
ated, the  second  ..s  hmg  as  the  two  fidlowing  together,  with  2  foveohe  at 
base,  the  third  less  than  one-third  the  length  of  the  fourth,  with  trans- 
verse rows  of  small  punctures,  the  fourth  or  last  conical,  compressed 
from  above  and  bel(»w,  margined,  the  apical  half  very  fiat  or  subcon- 
cave,  with  stria;  at  base  followed  by  a  slight  smooth  prominence ;  in  S 
oblong-oval,  8  jointed,  the  last  two  segments  very  miimte,  segments  3, 
4,  and  5  nearly  equal,  usually  with  transverse  rows  of  i)unci,are8. 

Legs  clavate,  the  basal  joint  of  hind  tarsi  more  than  twice  as  long 
as  the  second. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPII)^.     21)5 

Distiiijiiiislied  by  the  tuft  of  liair  at  tip  of  so.tellun,  antennal  char- 
acteristics, and  the  lonjj;,  <listinctly  Inrrowed  ii:esoiiotiun. 

TABLE   OF   SPECIES. 

Cox. I'  Idack,  or  iit  least  tLe  liiud  pair  Ulack. 
L<';;8  and  scape  of  iiutenna'  rufous. 

Hagelluui  brovn  blncli ;  pedicel  Siareely  as  louj;;as  tlio  first  funii-lar  joint ;  f<)urtli 
ventral  scfruK  lit  not  pu  instate,  the  (i  ft  !i  not  striate.  T.  iHFirKs,  sp.  iiov. 
I'osterior  femora,  and  tips  of  tibiae  Inowii. 

Fla<jellum  browu;  pedicel  miicli  loiijjcr  than  the  first  liiniclar  joint,  the  second 
loiifjer  than  the  pedicel,  the  third   small;  fourtli  ventral  «";,nient 

punctate,  the  fifth  striate T.  iuuicola,  sp.  nov. 

Leiirs  broAvniHh-pieeons,  anterior  pair,  base  of  middle  and  posterior  tibia'  and  tarsi 
honey-yellow. 
Antenna^  brown,  first  fiiniclar  joint  very  small,  the  second  elongate;  ventral 
segments  with  a  row  of  ]mnctu.is  at  base..T.  akizoN'knsis,  sp.  nov. 
Legs  )»ale  brown,  the  trochanters,  anterior  tibia-,  and  base  of  middle  and  posterior 
tibia*,  honey-yellow. 
Antenna-  brown,  the  scape  and  pedicel   yellow,    first  and  third  funiclar  joints 
small,  the  second  elongate;  apical  vc^ntral  segment  striated. 

T.    HHUNNKII'K.S   Aslim. 

('oxa'  pale. 

Legs  piceons  or  brownish,  base  of  middle  and  posterior  tiliia-,  anterior  tibia-,  and 
tarsi  j>a!e. 
Antenna-  dark  brown,  the  first  and  second  funiclar  joints  al>ont  einial,  tiie  third 
and  fourth  niinutt-;  ventral  segments  impuncfiired. 

T.  viUiiiNiKNSis,  sp.  nov. 

Trichasis  rufipes,  s]>.  nov. 

(PI.  XII,  Fig.  9,  9.) 

$  9  .  Lenfjfth,  "2,  to  2.5""'.  Black,  shining;  the  thorax  ^rith  a  sparse, 
fine  pubescence.  Head  transverse,  with  some  microscopic  punctures 
041  the  crown;  lateral  ocelli  with  a  slij^ht  curved  depres.sed  line  behind; 
fa<*e  highly  polished.  Antenna'  lO-Jointed,  the  scape  rufous,  the  liagel- 
Inm  brown-black;  pedicel  of  e<]ual  length  with  the  second  funiclar  joint; 
first  and  third  funiclar  joints  smaller  than  the  second;  club  5-jointed, 
slightly  thickened  toward  apex,  the  first  joint  a  little  longer  than  thick, 
narrowed  toward  base,  the  second,  third,  and  fourtli  joints  (]uadrate, 
a  little  rounded  basally,  the  last  joint  cone  shaped,  one  third  longer 
than  the  preceding.  Thorax  elongate-ovate  with  distinct  furrow;  scu- 
ti'llum  depres.sed  across  the  base,  pubescent  and  with  a  tuft  of  hairs  at 
tip;  metapleura  sericeous;  teguhe  black.  AViugs  subhyaline,  pubes- 
cent, not  fringed  or  the  fringe  exceedingly  short.  Legs  yellowish-red, 
the  coxsB  black.  Abdomen  longer  than  the  head  and  thorax  together, 
pointed  at  apex,  the  petiole  longer  than  thick,  finely  rugose,  with  a 
middle  carina,  the  se(Hind  segment  very  long  with  two  long  foveola?  at 
the  base,  the  tip  with  sparse  whit<'  hairs. 

In  the  $  the  second  funiclar  joint  is  elongate  the  club  G-joiuted; 
otherwise  closely  resembling  the  2  . 

Habitat. — District  of  Columbia,  Virginia,  Florida,  and  Miss<niri. 

Types  in  Coll.  Ashmead  and  National  Museum. 


2J)()  BULLKTIN    15,  IINITKD    STATES   NATIONAL    MUSEUM. 

Described  from  several  speciiiiens.  A  siiij^le  9  siiecimeu  is  in  the 
National  }Iusciini,  reared  by  Dr.  Kiley  at  St.  Louis,  Mo.,  from  a<oni8 
infested  with  lialaniniiH  nasiciis  and  lilastohasis  (/hnidnlcUa;  bnt  the 
acorns  must  have  also  cjmtained  ('ecidoniyiid  inciuilines. 

Trichasis  rubicola,  sp.  nov. 

S  9.  Length,  1.4  to  l.O""".  Polished  black,  iniimnctnred;  head 
with  a  few  transverse  aeiculations  on  the  crown.  Antennje  lOJointed, 
the  scape  yellow,  the  tlagelluni  pale  brown;  pedicel  oval;  first  and 
tiiird  funiclar  joints  very  minute;  second  much  elongated  and  thick; 
club  5-jointed,  the  joints  longer  than  thick.  Thorax  ovate,  with  distinct 
furrows,  the  base  of  the  nnddlc;  h)be  eU^vated  slightly  upon  the  scu- 
tellum;  scutellum  with  depressions  at  sides  and  base,  and  with  a  tuft 
of  ])nbescence  at  tip;  inetai)leura  sericeous;  teguhe  black.  Wings 
hyaline.  Legs  yellowish,  the  coxic  black,  the  jjosterior  femora  and 
tibia'  toward  tips,  dusky.  Abdcmien  longer  than  the  head  and  thorax 
together,  ])ointed  at  tip,  tlie  petiole  Huted,  the  second  segment  with  2 
foveohv  at  base,  the  third  with  some  jmnctures,  the  fourth,  striated. 

In  the  male,  the  fourth,  fifth,  and  sixth  abdominal  segments  have  a 
transverse  row  of  punctures;  (tlub  of  .antennie  G-jointed,  darker  coloicd, 
the  joints  cylindrical,  at  least  thrice  as  long  as  thick. 

Habitat. — ( 'adet,  Mo.,  and  District  of  Columbia. 

Types  in  Naticmal  Museum  and  Coll.  Ashmead. 

Described  from  many  specimens.  The  National  Museum  contains 
specimens,  reared  by  Dr.  Riley,  June  10, 188.'i,  from  a  ('ecidomyiid  ste>n- 
gall  on  Blackberry  at  Cadet,  Mo.;  and  others  reared  June  0,  1S8(»,  from 
a  Cecidoniyiid  gall  on  Vernonia  novchoraceHsis,  collected  at  Washington. 

Trichasis  arizonensis,  sp.  nov. 

S  9  ,  Length,  1.2  to  ].G'>"".  Very  closely  allied  to  T.  ruhicola,  bnt 
differs  in  the  vertex  of  the  head  being  distinctly  aciculated,  the  anten- 
na; being  wholly  brown-black,  the  legs  darker,  brownish  or  fuscous,  the 
anterior  legs,  base  of  middle  and  posterior  tibia;  and  tarsi  pale  or 
honey-yellow;  while  the  5-jointed  club  in  the  9  is  more  slender  than 
in  T.  ruhicola,  with  the  joints  at  least  twice  as  long  as  thick.  The 
sculpture  in  both  species  is  similar. 

Habitat. — Mount  Graham,  Ariz. 

Types  in  Naticmal  Museum. 

Described  from  specimens  reared  from  a  Cecidoniyiid  gall  on  w  ild 
sunflower,  received  from  Mr.  H.  K.  Morrison. 

Trichusis  brunneipes  ABhin. 

Can.  Ent.,  xix,  p.  131,  9  ;  Cress.  Sj  n.  Ilym.,  p.  2eO. 

9.  Length,  2'"'".  Elongate,  polished,  black,  impunctured;  head 
transverse,  the  lateral  ocelli  a  little  more  than  their  width  from  the 
margin  of  the  eye.     Antenna;  10-jointed,  cyliinbical,  the  scape  and 


MONOGRAPH  OP  THE  NORTH  AMERICAN  TROCTOTRYPID^E.     207 

pedicel  yellow,  the  Hji^elliim  brownish-black;  the  lirst  fiiniclar  Joint  is 
very  small,  the  second  elongate,  twice  the  length  of  'he  pedicel,  the 
third  obconic,  shorter  than  any  of  the  following  joints,  which  are  fully 
twice  as  long  as  thick,  cylindric  and  loosely  joined,  the  last  being  con- 
ical and  a  little  longer  than  the  preceding  joint.  Thorax  long,  with  2 
eonii)lele  fuirows;  scutellum  with  a  tuft  of  ijubcscence  at  a]>ex  cover- 
ing a  minute  tuben^le;  metathorax  pubescent.  Ijegs  brownish-yellow, 
the  anterior  i)air  yellowish,  the  initldleand  ixisteriorcoxa'.  and  thickened 
parts  of  their  fenn)ra  and  tibije  bnnvnish.  VVMngs  hyaline,  pubest*ent. 
Abdomen  long,  conically  i>ointed,  polished,  the  ])etiole  sti'iated,  the 
third  segment  with  a  t  insverse  row  of  punctures,  the  fourth  striated; 
the  apical  dorsal  valve  tlattene<l,  smooth,  delicately  margined  at  sidea. 

Habitat.— Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Trichasis  virginieusis,  sp.  iiov. 

9.  Length,  1.1"".  Polished,  black,  impunctured;  head  transverse, 
shining,  the  vertex  separated  from  the  occi]>nt  by  a  transverse  ridge, 
the  lateral  ocelli  '>eing  ne-U'er  to  the  front  o(!ellus  than  to  the  margin 
of  theeye.  Antenna'  lO-joJnted.  brownisii  yellow,  the  club  black;  tirst 
and  second  funiclar  joints  equal,  longer  than  thick,  the  third  small, 
the  fourth  triangular;  the  club  a  little  thickened  towards  apex,  the 
first  three  joints  transverse,  rounded  at  base,  truncate  at  tip,  the  first 
the  snnillest,  the  last  joint  conical,  nearly  twice  as  long  as  the  penulti- 
mate; all  the  club  joints  slightly  pedicellate.  Thorax  ovate,  polished, 
with  two  distinct  furrows  which  are  very  delicately  impressed  anteii- 
orly;  sides  of  collar  visible  in  front  of  the  teguhe;  scutellum,  with 
finely  rugose,  pubescent  fovea?  at  base,  a  convex,  shining  prominence 
medially  and  a  tuft  of  pubescence  at  tip,  inclosing  a  small  tubercle; 
meta])leura  jnibescent.  Wings  subhyaline,  probably  from  the  fuscous 
pubescence.  Legs  brownish-yellow,  the  coxa?  and  femora  with  a  red 
dish  tinge.  Abdomen  pointed  ovate,  polished,  petiolated;  the  petiole 
roughened,  the  aj)ical  segment  coide.al,  as  long  as  the  fourth  and  fifth 
together;  the  second  segment  with  2  striated  foveohe  at  base. 

IlAiiiTAT. — Arlington,  Ya. 

Types  in  Coll.  Ashmead. 

Trichacis  auripes  Prov.  .  ^  , 

Add.  .t  ('orr.,]».403. 

9  .  Long,  li)  pee.  Noire,  polif,  brillanto;  le  scapti  uvoir  lea  pattea  d'un  bean 
janno  d'or.  L«  funicnlo  des  anteniies  liruii  fonco.  Ailcs  sans  nervures  distinctes, 
grandes,  plna  loiifjnes  quo  ralidoineii.  Lo  tborax  r<^trt'<i  en  avant,  le  nK^sotliorax 
avec  denx  sillona  tres  npparonts;  IVciisson  coinexe,  terniiiio  jiar  nno  toiille  de  ])oils 
grisiUres,  8<^par6  du  mesothorax  par  nno  double*  fossetto  large  et  jirofonde.  I>ea 
hanebea  noires,  lea  cuisKes  ]>08t<  rienres  renllei-s  en  ninssiie  et  ])ln8  on  nioins  obacnres. 
Abdomen  anbaesailo,  ])oli,  brillant,  deprinie,  arrondi  a  I'extrouiit*^,  le  2"  segment  le 
pbiH  gmnd.     (Provaneber.) 

Haditat. — v'ap.  Rouge,  Canada. 

Not  recognized.  ,  • 


298  BULLETIN  45,  UNITED   STATES   NATIONAL   MUSEUM. 

HYPOCAMPSIS  l'.".iHt«r. 

Hyiii.  Stud.,  11,  i>.  108,  (la^iti.) 

(No  tyjK'  «leHciilM'«l.) 

Fleiul  traiisvoTse,  froiis  coiivex,  tlio  ociripnt  not  marjriiKMl;  ocelli  .'5,  in 
a  triangle,  tlu'  latcrnl  iiean'r  to  tlie  front  ocellus  tliiiii  to  tlie  niarj^in  of 
tbii  eye. 

Anteniiic  lO-jointed  in  both  sexes,  in  9  subclavate,  <>r  with  a  4-  or 
r>-joint('(l  club,  all  the  jiMuts  cylindiical,  the  joints  2  to  0  longer  than 
thick;  in  S  with  the  Ihst  fnnichir  J<»iiit  short,  cup  shajted,  tln^  secoml 
very  strongly  thickened,  the  last  (>  Joints  cylindric,  with  short  hairs, 
the  last  the  longest. 

Thorax  subovoid,  the  niesonotuni  short,  convex,  with  two  inipi-essed 
lines;  scutelluni  snbelevated,  rounded  behind,  foveated  at  base;  meta- 
thorax  very  short,  the  ]»h'ura  i)iilM'Scent. 

Wings  veinless,  pubescent. 

Abdomen  uearly  elliptical,  tiie  margins  broadly  detlexed,  the  tirst 
segment  hmger  than  thick,  the  last  4  segments  together  not  qnites  as 
long  as  the  second. 

Legs  clavate. 

Distinguished  by  the  broad,  d<'flexed  margins  of  the  abdomen.  Fr»rs- 
ter's  type  apju'ars  not  to  havi^  been  described,  although  Thomson  has 
recognized  the  genus  in  Sweden  and  describes  three  species  therein. 

Hypocampsis  pluto  Aslmi. 

(PI.  XII,  Fig.  10,  $.) 

Can.  EDt.  xix,p.  131,  $  ;  Cress.  Sjn».  Hym.,  p.  250. 

9  .  Length,  1.5""'.  Wholly  black,  jiolished,  the  tarsi  ahme  slightly 
piceous.  Head  transverse,  wider  than  thorax,  the  lateral  ocelli  more 
than  their  width  from  the  margin  of  the  eye;  the  eyes  large,  long  oval. 
Antennsi;  10-joiuted,  the  last  funiclar  joint  thicker  than  the  jneceding; 
chib  4-jointed  (5  jointed  if  we  count  the  thickened  last  funi«dar  joint 
which  might  really  be  considered  as  belonging  to  it),  the  joints  all 
longer  than  thick,  cylindric,  the  last  conical  and  longer  than  the  i)enulti- 
mate.  The  thorax  is  roundedly  narrowed  anteriorly  with  2  delicate 
furrows;  scutellum  rounded,  highly  convex;  the  metathorax  short, 
strongly  sericeous.  Wings  hyaline,  pubescent,  the  teguhe  black.  Ab- 
domen subovate,  pointed  at  tip,  narrowed  toward  base,  very  little 
longer  than  the  thorax,  with  broad  lateral  margins.  ; 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

ERITRISSOMISRUS  Asbiii.,  gen.  nov. 
(Type  E.  crcidoviyhr.) 

Head  broadly  transverse,  with  a  sharp  acute  process  between  the 
antenna',  the  lateral  ocelli  away  from  the  eye  margin,  but  still  nearer 
to  it  than  to  the  front  ooellus.  . 


MONOORAIMI  OV  TIIK  NoRTH  AMERICAN  PROCTOTKYPlDil':.     299 

AiitoiiDji'  lO-JointcHl,  in  both  Kex«>s,  oiuliiifj  in  a  fi-j<»inte<l  cliil),  the 
.second  fiinichir  joint  in  the  niah^  very  bioadly  dihite«l,  the  first  beinjif 
very  minnte  and  ch>sely  joined  to,  and  not  separable  from,  the  second. 

Thorax  ovoid,  convex,  the  niosonotal  furrows  distinct,  the  scutelhiu 
ronnded,  t'le  metatliorax  very  short,  bicarinated. 

Wiiijjs  vcinh'ss,  abnost  bare  of  pubeseencc. 

Ab(h)jn('n  oval,  the  ])ctiole  short. 

Lcgschivate,  tlie  liind  tarsi  h>nger  tlnm  their  tibia',  t  lie  basal  joint  long. 

A  .cfcnus  allied  to  PlKfiff/tiHtcr,  but  reatlily  separated  in  the  female  by 
the  a<Mite  carina  between  the  anteniue,  and  in  the  male  bj'  the  very 
broadly  and  roundedly  dilated  second  tlajjfellar  joint,  the  first  and  sec- 
(md  being  conjoined. 

Only  a  single  species  is  known. 

Eritrissomerus  cecjdomyiae,  sp.  nov. 
(I'l.xiii,  Fiir.  1,  9.) 

9  .  Length,  2.1"'"'-  lilack,  suOopu  pie,  finely  sculptured;  head  trans- 
verse, the  vertex  and  cheeks  rugulose;  frons  with  an  impressed  line 
in  front  of  the  front  ocellus,  the  fiice  transversely  striated;  lateral 
ocelli  a  little  more  than  their  width  away  from  the  margin  of  the  eye; 
mandibles  riifo-picoous.  Antenme  10  jointed,  the  scape,  except  at  both 
ends,  and  the  (J-jointed  dnb,  brcnvn  black;  antennal  tubercle,  distal 
ends  of  scape,  the  pedicel  and  funicle  honey  yellow;  the  pedicel  as 
long  as  the  tirst  and  second  funiclar  joints  united,  the  first  funiclar  joint 
slender,  closely  united  with  the  second  and  longer  than  thick^  the  secoud 
obliquely  truncate  at  tip;  club  0-jointed,  submoniliform,  the  joints 
closely  joined,  except  the  last,  joints  not  longer  than  thick.  Thorax 
with  two  distinct  furrows,  the  scutellum  convex,  margined  Jit  sides, 
closely  punctate,  the  mesopleura  impres.sed  at  the  middle,  the  con- 
vex i)iece  beneath  the  tegulie  striated,  the  metapleura  bounded  above 
by  a  distinct  carina,  striate  and  pubescent.  Wings  clear  hyaline,  the 
tegulai  piceous.  Legs  blackish,  the  anterior  pair,  except  the  coxre, 
base  of  middle  and  posterior  tibi.e,  honey-yellow,  the  middle  and  pos- 
terior tarsi  brow  nish.  Abdomen  oval,  scarcely  longer  than  the  thorax, 
with  the  basal  one-third  of  the  second  segment  and  the  petiole  striated. 

In  the  $  the  antenna'  are  wholly  browni.sh -yellow,  with  the  second 
funiclar  joint  very  broadly  roundedly  dilated,  the  first,  second,  and  last 
joints  of  the  club  being  distinctly  hmger  than  thick,  while  all  the 
trochanters  and  the  knees  of  middle  and  hind  legs  are  honey -yellow. 

Habitat. — Jackscmville,  Fla. 

Types  in  Coll.  Ashmead. 

Described  from  several  specimens,  reared  from  n  Cecidomyiid  gall  on 

Hickory. 

POLTGNOTUS  Forster. 

Hym.  Stud,  ii,  p.  108  (1856). 
(Type  P.  striolatus  Nees.) 

Head  broadly  transverse,  the  vertex  broad,  the  occupit  margined, 
ocelli  3  in  a  triangle,  the  lateral  close  to  the  margin  of  the  eye. 


300  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

AnteiiiiiP  lO-jointod,  the  scape  siibdavatc  slightly  curved  at  base, 
in  botli  sexes  tenninatiiig  in  a  S-Jointed  eliib,  the  funiclar  joints  vary 
but  the  tirst  in  both  Kexos  i.s  usually  minute,  the  second  uiul  third  sub- 
e(|ual,  cylindiic,  in  9  ,  while  in  the  <?  the  sc<'ond  is  enlarged,  swollen, 
the  third  S(;arccly  half  aslarj;e,  thinner  andobli(|uely  truncate  at  apex. 

Thorax  subovoid,  convex,  the  niesonotuni  ran'ly  li  times  as  long  as 
.vide,  with  or  without  furrows;  scutelluin  transversely  elevated,  convex 
or  cushion  shap<'d,  separated  from  the  mesonotum  by  a  transverse 
de|»ression  or  furrow;  metathorax  short,  the  metapleura bounded  above 
by  a  carina. 

Wings  veinless. 

Abdomen,  in  9,  pointed-ovsite,  depressed,  0-jointed,  the  first  joint 
petioliforni,  striated,  the  secoiul  longer  than  the  following  together, 
sm(K)th,  with  2  oblong  foveohe  at  base,  in  $  oblong  oval,  7-  or  8-  jointed. 

Legs  <'lavate,  the  basal  joint  of  hin«l  tarsi  about  thrice  as  long  as  the 
second. 

Distinguished  from  Platygnster  by  the  shorter,  rarely  distinctly 
gro<»ved  mesonotum,  broader  head,  ditferent  antenna^,  and  the  higher, 
nuu'e  c<mvex,  or  eushioned-shaped  scutelluin,  which  has  a  deep  trans- 
verse impression  all  across  the  base. 

TABI.E   OF   SPECIES. 

FEMALES. 

Mesonotiil  furrows  entire 6 

Mt'aonot.'il  furrows  iiidifivtcd  only  posteriorly 3 

Mesonotum  without  trace  of  furrows,  or  the  faintest  trace  of  them  posteriorly. 
Vertex  not  transversely  aciculated 2 

Vertex  transversely  acicnlatefl. 
Coxa;  black. 

Legs  Mack  or  brown-hlack. 
Antenna'  black;  jieilicel  as  long  as  the  two  following  joints  united  and 
much  thicker,  the  tip  pale;  first  joint  of  fuuicle  small,  second  and 
.  third  larger,  nearly  equ.al,  the  second  slightly  the  larger,  fourth 

;  transverse;  club  joints,  except  the  last,  as  broad  as  long. 

P.   8ALICICOLA 

Antenna' brown-black ;    pedicel  much  longer  tlian  the  two  following 
joints  united  and  much  stouter;  joints  one  and  two  of  funiele  very 
'  small,  ni'arly  eciual.   the  third  slightly  larger,  fourth  transverse; 

:■-  club  joints,  except  the  last,  only  slightl."  longer  than  thick. 

-      '  P.  DIPLOSIDIS 

Coxa>  dark  rufous  or  piccons. 

Legs  rufous,  the  tarsi  yellowish,  femora  .and  tiba>  often  dusky. 
Scape  black,  sometimes  pale  at  base  and  apex,  flagellum  dark  brown; 
pedicel  as  long  as  the  two  IVdlowing  joints  united  and  stouter; 
joints  one  and  three  of  funiele  minute,  the  second  slightly  larger, 
fourth  longer  than  wide;  club  joints  except  the  last,  very  slightly^ 
wider  than  long P.  UACCHARicoiJk.  Ashm. 

Front  legs,  all  trochanters  and  tarsi  honey-yellow,  sometimes  the  front 
femora  and  tibiie  dnsky,  middle  and  posterior  femora  and  tibiae  dark 
brown  or  black ;  sometimes  all  tbe  legs  pale  brown. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     301 

Antennii-  brown,  the  soapo  variaMe,  sonu'timca  almnst  Mack ;  pedicel  longer 
tliaii  the  two  following  joints  nuited,  not  cHincially  Htout;  joint 
1  of  fnnicle  very  niinnte,  Hccond  larger  and  a  little  thicker  than 
the  third,  fonrtli  broader;  eliib  joints,  except  tlie  last,  not  esj»ecially 
widened,  slightly  longer  than  wide P.  si)1,ii>auinis  Atiinn. 

2.  Legs  dark  rnfons,  the  tarsi  pale. 

Antenna-  brown;  funiclar  joints  I  to  3  very  smnll,  sMghtly  increasing  in  size, 
fourth  larger;  club  joints,  except  the  last,  scarcely  longer  than 
wide P.  I'iNicoLA. 

3.  Vertex  not  transversely  striated  or  acicnlated,  smooth,  or  at  the  most  very  faintly 

acicnlated 4 

Vertex  posteriorly  strongly  transversely  striated  or  acicnlated. 
Vertex  impressed  at  the  middle,  subangnlate<l  just  over  the  eyes. 

Legs  and  antenna'  black  or  brown-black P.  .stijiaticeps. 

Vertex  not  impressed  at  the  middle. 
Coxa'  black. 

Legs  and  antenna' black,  trochanters,  tij*  of  anterior  tibia-,  and  tarsi  honey- 
yellow. 
Dorsal  abdominal  segments  3,  4,  and  .5  impunctured,  joint  1  of  funiele 
very  minute,  pale,  second  slightly  longer  than  the  third. 
Club  joints  a  little  longer  than   thick,   cup-shaped,   outwardly   sub- 
serrate  P.   ATUII'LICIS. 

Club  joints  wider  than  long,  outwardly  not  serrated P.  autk.misi.e. 

Dorsal  abdominal  segments  3,  4,  and  5  with  a  row  of  i)iin<ture8. 

P.  vii{<;inii;n8I8. 
Legs  brown  or  piceous,  trochanters,  knees,  tips  of  anterior  tibia',  and  tarsi 
pale. 
Head  very  wide. 
Apical  ventral  segments  not  punctate. 
Tegula-  black;  joint  1  of  funiele  very  minute,  second  longer  than  the 
tiiird;    club   not   especially  widened,   the  joints  scarcely  broader 

than  long P.  alnkoi.a. 

Tegula-  rufo-piceous;  joint  1  of  funiele  small,  second  and  third  n«-arly 
equal;  club  very  wide,  the  joints  widt-r  than  long,  serrate  toward 

one  side 1*.  TUMIDUS. 

Apical  ventral  segments  punctate. 

Head  four  or  more  times  as  wide  as  thick. 

Club  joints  longer  than  wide P,  latickps. 

Head  not  especially  wide. 
Tegula'  rufo-piceous;    antenna'  brown;    pedicel    not   long,  cylindric, 
twice  as  long  as  thick;  joint  1  of  funiele  small,  not  hmgcr  than 
thick,  second  larger  and  a  little  longer  than  the  third;  club  joints, 

except  the  last,  scarcely  longer  than  wide P.  hikmalis  Forbes. 

Tegula'  black;  antenna'  brown-black;  pedicel  long,  cylindric,  fully 
thrice  as  long  as  thick,  second  longer  and  thicker,  third  a  little 
longer  then  the  second;  club  slender,  the  joints  distinctly  longer 

than  wide P.  I'roximus. 

Coxie  rufo-piceous  or  pale. 

Legs  and  antenna'  dark  brown ;  trochanters,  base  of  tibia',  and  tarsi  pale. 
Tegula?  rnfo-piccoua;  joint  1  of  funiele  very  minute,  second  and  third 
larger,  about  equal  in  length,  the  seeimd  the  thicker;  club  joints, 
exce]>t  the  last,  as  wide  as  long. 
Four  last  dorsal  segments  with  a  row  of  punctures P.  viticola. 

4.  Vertex  angularly  produced  just  over  the  eyes. 

Legs  and  antonnee  black;  tarsi  piceous P.  utauensis. 


302  BULLETIN    15,  UNITKD    STATES   NATIONAL    MUSEIM. 

Vertox  not  iiiv'^iiliirly  ]>r<Mlii<'(ML 

Coxj.'  n  f.  -piceoii.s  or  jiiih' 5 

Coxtr  bluck. 

Lvf^H  Itliick  or  Idown-bliU'k,  tln'  tursi  nsiially  iialo. 
ML'ta|)leiii'ii  liarc,  iiciciilatcd. 
Club  stout;  the  Joints,  ixcopt  tins  liiHt,  iih  wide  hh  lon<;. 

1'.  CYNIPICOI.A    Aslllll. 

Meta|ileuru  covered  with  a  srrici'ous  pubescviicc 
Tejjuhi"  rufo-piccouN. 

First  thrt-e  fnnirlar  Joints  slender,  cylindric,  of  e(|iial  thickness,  thcHee- 
ondslif^htly  ionjjcr  than  tli«  third;  el  ul>  slender,  the  Joints  distinctly 
lonf^er  tlian  thick 1'.  KiriiOTi.K. 

First  funielar  Joint  small,  the  second  and  tliird  larjj;er,  efjual;  club  slen- 
der, the  joints,  exeejit  the  last,  not  lon>;er  tJian  thick I*.  lU  Ml. 

Tejjnhe  black. 

!•  irst  funielar  Joint  v»'ry  small,  second  and  third  longer,  eipinl,  the,  fourth 
stouter;  club  very  sleniler,  tin- Joints,  except  the  last,  scarcely  longer 
than  thick;  a  tuft  of  hairs  at  base  of  parai)8ides P.  asvnai-T.k. 

First  funielar  Joint  small,  tiie  second  anil  third  longer,  the  second  the 
larger,  the  fourth  stouter,  a  little  longer  than  the  second;  club  not 
so  slender,  tins  Joints,  except  the  last,  slightly  wider  than  long;  no 
tuft  of  hairs  at  ba.se  of  parajtsides 1'.  iiUACHl'C.K. 

5.  Tegube  rufo-jiiceous. 

Legs  rufo-j»iceous,  the  front  tibia-  and  all  tarsi  aiul  knees  honey-yellow. 
Antenna?   brown-black;  Joint  1  of  fnnicle   minute,  second   slightly  longer 
and  thicker  than  the  thiid,  fourth  as  long  as  second,  but  stouter; 
club  Joints  slightly  ]>edic«  llato,  a  little  longer  than  thick;  no  tuft 

of  hairs  at  base  of  parapsides I*,  actino.mkhiuis. 

Antenna'   lirown;  Joint  1  of  funielo  very  minute,  second  and  third  longer, 
about  e<iual,  fourth  stouter;  club  Joints  longer  than  thick;  a  tuft 

of  hairs  at  base  of  parapsides P.  VKKNt)Ni.*;. 

Teguhe  black. 

Legs  rufo-piceous,   trochanters,  knees,  tips  of  tibia-,  and  tarsi  jiale  or  honey- 
yellow. 
AntenuiB   dark   l)rown;   Joint   1    o|"  funiele   minute,  not  rounded,  second  a 
little  larger,  third  shorter  than  .second;  club  joints  as  wu\v  as  long; 
a  slight  tuft  of  hairs  at  base  of  parapsides P.  astkuicola. 

6.  Vertex  posteriorly  microscopically  shagreened  or  punctate. 

Coxa^  black. 
Legs  black,  tarsi  fuscous. 

Antennai  black,  slender;  fnnicle  joints,  first  and  second  small,  about  equal, 
scarcely  longer  than  thick,  third  and  fourth  larger,  e((ual ;  club 
very  slightly  liiicker  than  the  last  funielar  joint,  a  littl(>  thicker 
toward  apex;  the  Joints,  excejit  the  last,  one  and  a  half  times  as 

huig  as  thick;  wings  hyaline P.  toi.oKADK.vsis. 

Antt-nna?  very  slender,  long,  anbelavate,  black;  joint  '  of  fnnicle  twice 
as  long  as  thick,  second  nearly  twice  as  long  as  the  first,  third  and 
fourth  shorter  bnt  stouter;  the  clnb  joints  thrice  as  long  as  thick  ; 

wings  hyaline P.  filicornis. 

Vertex  posteriorly  smooth,  shining. 

CoxiP  and  legs  black,  the  tip  of  anterior  tibia'  and  tarsi  fuscous. 
Antennai  black,  the  pedicel  2J  times  as  long  as  thick ;  first  three  fnniclar  joints 
about  of  an  eqn.al  length,  the  third  a  little  the  stoutest;  club  5- 
jointed,  very  little  longer  than  thick,  except  the  last,  the  three 
middle  joints  outwardly  subserrate;  wings  slightly  sniokj'^. 

P.  CAUFORN1CU8. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  TROCTOTRYPIDJi.     303 

MAI.KS. 

Mosoiiotnm  with  ilui  furrowH  complete 5 

Mc'Hoiiotmii  with  iiiiTows  indicatid  only  ])OMt<'ii(»rly 3 

MeHoiiotuin  without  trace  of  liiiiiiwH  or  tho  faiute.st  tr.Hti  i)08tcri<»rly, 

V«rt»'x  not  or  very  faintly  trannverMely  aciciiluttsd —  ...    2 

Vortt'x  trausverscly  iiciculated  or  striatt'd  posteriorly, 
t'oxn'  black. 
Logs  black  or  brown-black. 

Antcunic  black;  i>c<licel  lon;:<T  than  thti  lirHt  two  funiclar  jointH;  first  fuui- 
darjoint  very  minute  close  to  thoHecontl;  the  second  as  with'aslonj;; 
third  narrow,  a  little   lon<.;er  than  thiek;   the  fourth  transverse, 

smaller  than  the  first  club  joint P.  salicicola. 

Cox»5  rnfo-i>icoou8. 
Legs  dark  rufo-i)ieeous,  tarsi  honey-yellow,  femora  and  tibia-  dnsky  at  the 
middle. 

Scape  Idack,  flanellum  dark  brown P.  8t)Mi)A»;iNi.H. 

Antenna-  brown-black;  pedicel  about  as  long  and  thick  as  the  s(-cond  funi- 
clar joint;  club  H-joint  oval-uioniliforni,  slightly  jiodicellate,  hairy. 

P.  l«ACCIIAKI('0|.A. 

Antenna)  dark  brown ;  pedicel  almost  as  long  as  three  funiclar  joints  united ; 
first  funiclar  joint  niinutt;,  close  to  the  second;  the  second  twice  as 
long  as  the  first;  the  third  half  the  length  of  fourth;  first  three 
club  joints  e<|ual,  oval,  the  last  conic,  narrower  and  longer  than  the 
preceding P.  diplosiuis. 

Legs  rufous,  tlui  tarsi  ])ale. 

Antenna-  brown ;  pedicel  about  as  long  as  the  first  two  funiclar  joints  united; 
the  first  funiclar  joint  minute,  closely  nnite<l  with  the  second;  the 
second  subtriangular  or  twisted,  dilated  towards  one  side;  club 
6-jointed, oval-mouiliforni,  slightly  pedicellate,  hairy.. P.  pinicola. 

2.  Coxas  black. 

liCgs  dark  brown,  tarsi  whitish. 

Pedicel  a  little  longer  than  th';  leccmd  funiclar  joint,  the  first  very  small ;  club 
6-jointed,  the  joints,  except  the  last,  moniliform,  the  last  cone- 
shaped,  nearly  twice  as  long  as  the  preceding 1'.  proximus. 

Legs  black. 
Pedicel  as  long  as  the  second  funiclar  joint ;  first  funiclar  joint  sm.nll,  rounded ; 
the  second  shorter  than  the  first  dul)  joint;   club  6-jointed,  the 
joints,  except  the  last  eijual,  a  little  longer  than  thick,  the  last  long 
fusiform,  thicker,  and  twice  as  long  as  the  preceding,  .P.  ASYNAPXi^F'. 
Coxa-  pale  or  brown ;  antenna'  dark  brown. 
Legs  brownish-yellow,  posterior  femora  dusky. 
Pedicel  as  long  as  the  first  and  second  funiclar  joints  united;  the  tip  yellow; 
first  joint  of  fuuicle  verj'  minute,  the  second  a  little  curve»l;  club 
6-jointed,  a  little  thickened  toward  apex;    the  joints,  exce])t  the 
last  moniliform ;  the  last  conic,  nottwiee  as  long  as  the  preceding.. 
.,      ,  1        .  -^  P.  ACTINOMKKIUIS. 

3.  CoxfB  brown  or  rufo-piceous 4 

CoxiB  black. 

Vertex  posteriorly  transversely  aciculated. 
Legs  and  antennie  black,  tarsi  pale. 
Pedicel  as  large  as  the  first  and  second  funicle  ioints  together,  the  first 
small,  rounded,  the  secimd  wider  than  long,  a  little  dilated  towards 
one  sifle,  club  6-jointed,  the  joints  oval,  gradually  increasing  in  size, 
loosely  joined,  hairy,  the  last  fusiform,  twice  as  long  as  the  pre- 
ceding   , P.  STKIATICEPS. 


304  IJLILLKTIN    45,  UNITKD    STA'IKS    NATIONAL    MTSKUM. 

Pedicel  Hiiinller  than  th«<  hocoihI  fiiiiiclar, joint,  the  lirst  finiiclar  iih  Umn  an 
tliicl(,  climfl  to  tliu  Hi'coml,  thu  hcciuhI  lun^or  tliuii  wido,  anil  ii  littl<< 
thii'kiT  tli:in  iuiv  <>t  tli*>  otlivi-H,  cliilt  (t-JointiMl,  tli<- jointH,  t'xct'pt  tliH 
l:iHt,  not  Ion;;*-!-  tli:in  wide,  thu  liint  ('<>ii)'-Hliii|u'<l,  twice  aa  lon^  aM 
tliu  prt-rolinK,  all  %vith  glittorin^  vliito  liuirH 1'.  ATUiri.icis. 

IV<licel  as  lon>j  an  tli<*  Hccond  fnnidar  Joint,  the  tirnt  rouiulrd,  tlio  Miconil 
<urvt(l,  twico  aa  lon;i;  as  tliick,  club  (i-.jitiutiitl,  with  wliito  liaiiM,  the 
jointH,  except  tlio  Inst,  oval,  loosely  joined,  thu  hiHt  conu-Hlmiicd, 

twice  a8  long  an  the  jnccctlinj; 1'.  \  iric «"  . 

Trochauturs,  anterior  knees  and  til>ia>  at  tips,  all  tarsi  and  the  liasuofmiddlu 
and  poMterior  tiliia-,  honey-yellow. 

Pedicel  Iou;;crthan  the  hccoikI  Innicl.ir  Joint,  which  iu  dilated  apically,  the 
lirst  funi<'lar  Joint  small,  cinit  li-Jointed,  th<>  Joints,  except  the  first 
and  last,  a  little  longer  than  thick,  the  first  as  wide  as  long,  thu  laut 

coniial,  twice  as  long  as  tlio  i)ruceding P.  hikmaiis  Forbes. 

L«'  ..1  rufo-piceons,  anterior  tiliia^  ami  the  tarsi  honuy-yellow. 

Pe<liccl  as  long  as  thu  tirst  i.nd  siM'ond  fnniclar  Joints  together,  the  firat 
small,  thu  second  a  little  longur  than  wide  al  apex,  tint  third  shorter, 
club  njointi'd,  the  Joints,  exce])f  llie  last,  <|inidratu. . .  P.  tivNii-it  oi.A. 

I'edicul  not  aa  long  as  the  first  and  second  t'nnichir  Joints  unite<l,  the  first 
Hinull,  ronndetl,  the  second  nearly  twice  as  long  as  thick,  clnb 
ti-Jointed,  hairy,  thu  Joints,  except  thu  last,  oval,  thu  last  fnsifonn, 
twice  as  long  as  thu  preceding P.  ai^icola. 

4.  Legs  brown,  middle  and  posterior  femora  duaky. 

Pedicel  longer  than  thu  second  fnniclar  Joint,  the  first  small,  ronnded,  thu 
Mucoud  cnrved,  dilated  at  tij),  clnb  (»-Jointed,  the  Joints,  except  the 
last,  moniliform,  loosely  Joined,  thu  last  fnsiforni,  twico  as  long  as 

the  jireceding P.  astkkicoi.a. 

I'etlicol  as  long  as  thu  first  and  second  fnniclar  Joints  united,  the  first  very 
luinnte,  the  second  a  little  thicker  than  long,  not  dilated  at  tip,  clnb 
t!-Jointed,  the  Joints,  except  the  last,  moniliform,  thu  last  thicker, 

long-oval,  not  twiie  as  long  us  thu  preceding P.  vkunoni.e. 

Legs  dark  rnt'ons. 

Pedicel  as  long  as  the  second  fnniclar  Joint,  the  lirst  small,  ronnded,  tin* 
second  thickened,  slightly  cnrved,  clnb  tJ-Jointed,  tliu  Joints,  uxcept 
the  last,  longer  than  thick,  thu  last  conii;,  one-third  longer  than  thu 

ineceding P.  ELUR-t. 

Legs  ])ale  brownish-yellow,  the  posterior  femora  and  tibia'  slightly  dnsky. 

Antenna',  except  the  clnb,  pale  brownish-yellow;  pedicel  as  long  as  the  first 
three  fnniclar  joints  nnited,  first  and  second  small,  thu  third  dilated, 
clnb  6-Jointe«l  oval-niouiliform,  the  last  joint  twice  as  long  as  the 

preceding P.  floiuuam-s. 

Vertex  not  pnnctate  or  shagreenod,  shining tJ 

5.  Vertex  finely  closely  pnnctate  or  shagreened,  opaqae. 

Coxa'  black.  i:  -      - 

Vert«'x  angnlarly  i)rodnced  over  the  eyes.       .::.."; . 

l^egs  black,  thu  tarsi  rnfons P.  angulatus. 

Vertex  not  angularly  prodnced  over  the  eyes,  normal. 
Legs  dnll  rnfons,  ]iosterior  femora  piceons,  tarsi  yellowish,  sides  of  prono- 
tum  8triate<l;  joints  of  club,  except  the  last,  transverse-moniliforni, 
-  the  last  fusiform,  twice  as  long  as  the  pennltimate;  second  fnniclar 

joint  very  slightly  dilated P.  striaticollis. 

Sides  of  pronotnm  perfectly  smooth,  polished;  Joints  of  club,  except  the 
last,  transverse-moniliforni,  the  last  fusiform;  second  fnniclar  joint 
much  dilated P.  ljevicollis. 


MONOGRAPH  OF  THE  NORTH  AMKIilCAN  I'KOL'TOTKYFH^.K.     .lOf) 

U.   Heatl  :iii(l  tliorux  puliHla-il. 

Ant«*tiii:i-  iiiid  lc;;s  lil.irk,  inMliri-l  ;iln)iif  .-is  liHijj  !ih  tlm  liiNt  ami  hccoikI  (niiiclar 
JoiiilH  iiuitt'tl.  |>al('  at  ti|i.  llitt  liiHt  Hiiiall,  tlio  hicoimI  u  litlli-  ciirvnl, 
club  li-joiiitt^d,  tlio  ji»iiitH,  fxi-i>|it,  tlxf  l.-ittt,  a  litllo  Ioiik**)'  tliaii  tliick, 
tli<*  lattt  (uuu-HliaiHjtl,  uiiu-tliinl  lur^vr  tlian  tlm  peimlliiiiati-. 

1'.  (  Ol.UltAUKXMH, 

Aulfiiiia-  autl  lo^H  riitb-piccouH. 

i'lMliccl  not  aH  lon^  as  tliu  tirat  and  sorond  t'nniilai' Joints  nnit<<l,  tlicHccond 
larj^i',  dilat«Ml,  mivtd,  tlui  Joints  of  «liil»  Ion;;'  r  than  wide,  tlio  last 
t\vi<»'  as  Ion;;  as  tlir  |M'nnItiniat<' 1'.  Kii.U'iiicNls. 

I'edi<-4'I  as  lon^  as  tho  tirst  and  socond  I'nnii-lar  Joinls  nnihtl,  t lie  second 
swidlcii,  till- Juints  of  tin;  clnli  twirc  at*  long  as  tliirk,  tht;  last  not 
twice  U8  loug  as  the  pennltiniate 1'.  CAUiolcMCls. 

PolygnotuB  aalicicola,  h]>.  nuv. 

S  9  .     lAMij,'tli,  O.SO  to  1.  to PoIislM'*!  bliM'k ;  head  tlirit-e  as  wide  as 

tliick  aiitero  iM)stt'ri<>rly,  the  vertex  posteriorly  stroiifjjly  transversely 
aeieidat«'d,  I'aee  smooth.  Aiit«iiiia;  10  jointed,  black,  the  llaj^elhun  not 
«|uite  tvvit-e  as  lonjj  sis  the  scape;  pedicel  as  lonj;  as  tlie  first  and  second 
tnniclur  j()ints  toj;ether  but  stouter,  the  tip  i>ale;  joint  I  of  tiimclc 
very  small,  yellowish,  not  as  lonjjf  as  thick;  second  scarcely  twice  as 
lonj"  as  thick,  third  shorter,  I'oiirth  no  huij^er  than  the  third  but  a  littie 
st<uiter,  rounded  basally;  club  joints,  except  the  last  which  is  lon}j:er 
than  the  inecedinj*-,  as  wide  as  lonji,  truncate  at  tii>s  and  rounded  bas- 
ally. Thorax  ovoid,  the  collar  anteriorly  sli<;htly  miirroscopically  sha- 
jiieened,  niesonotal  furrows  most  Irequently  entirely  wantinj^,  seldom 
slijjhtly  indicated  posteriorly,  the  base  of  the  i>arapsides,  just  in  front 
of  the  scutellum,  delicately  punctate  and  spars<'ly  pubescent.  Scutel- 
luni  transversely  liijjhly,  convex,  jjolislicd.  Arcl:i])leura  nearly  bare, 
delicately  sculi)tured.  Tej^ula*  black.  N\  injjs  hyaline,  iridescent,  jiu- 
bescent.  Legs  black,  the  tibia',  and  tarsi  i)iceous  or  brown-black. 
Abdomen  very  slightly  larger  than  the  thorax,  ])olished,  the  petiole 
fluted  at  base,  the  second  segment  with  two  slight  foveolaj  at  base 
which  are  faintly  aciculated.  .t?. 

The  S  is  usually  the  smaller,  the  abdomen  being  scarcely  as  long  as 
the  thorax,  and  broadly  rounded  behind,  while  the  ditlerences  in  the 
antenna'  readily  distinguish  it.  The  tlagellum  is  covered  ^ith  a  rather 
dense,  short,  white  pubescence;  the  pedicel  oval,  not  longer  thau  the 
second  funidar  joint;  first  fun iclar  joint  nioniliform;  second  thickened 
at  tip,  and  longer  than  any  of  the  club  joints  except  the  hist;  club  joints, 
excei)t  the  last,  not  longer  than  thick,  the  last  pointed,  fusiform,  twice 
as  long  as  the  penultimate. 

Habitat. — Los  Angeles,  Cal. 

Types  in  National  Museum. 

13red  by  A.  Koebele  ffom  a  Cecidomyiid  gall  on  the  midrib  of  willow. 
21809— No.  45 *30 


30G  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM. 

Polygnotus  diplosidis,  sp.  nov. 

9  .  Length,  1""".  Polislied,  black;  bead  as  in  P.  salicicolo,  but  the 
vertex  posteriorly  is  not  so  strongly  aeiculated.  Mandibles  yellow. 
Antennje  10-jointed,  brown-black;  pedicel  longer  and  stouter  than  the 
two  following  joints  together;  first  three  funiclar  joints  about  equal  in 
thickness,  the  tirst  and  second  small,  about  equal  in  length,  the  third 
\ery  slightly  longer;  club  5-jointed,  joint  1  not  quite  as  thick  as  the 
following,  2,3,  and  4  about  equal,  a  little  longer  than  thick,  cup-shaped, 
the  last  cone-shaped,  1  i  times  as  long  as  the  preceding.  Thorax  ovoid, 
not  much  longer  than  wide,  without  a  trace  of  the  furrows,  polished. 
Scutellum  transverselj',  highly  convex,  smooth,  shining.  Metapleura 
sericeous.  Teguhe  black.  Wings  hyaline,  pubescent.  Legs  brown- 
black,  the  base  of  tibije  and  tarsi  ]>aler.  Abdomen  as  long  as  the  thorax, 
polished,  the  petiole  striated,  pubescent  beneath,  the  second  segment 
with  two  striated  foveoht>  at  base. 

Habitat. — New  Brunswick, N.J. 

Type  in  National  Museum. 

The  siiecimens  were  reared  February  12, 1891,  by  Prof.  John  B.  Smith, 
from  a  Cecidomyiid,  J>?/>/o*iv  si>.  found  on  pine. 

Polygnotus  baccharicola  Ashm. 

(PI.  xiii,  Fig.  2,  9.) 

Can.  Ent.  xix.  p.  132;  Cress.  Syn.  Hyui.,  p.  250. 

S  5.  Length,  1  to  1.20"'"'.  Black,  shining;  head  broadly  transverse, 
the  vertex  posteriorly  transversely  aeiculated;  face  smooth,  wnth  some 
aciculations  just  above  the  insertion  of  the  antenna'.  Mandibles 
piceous.  Antennje  10-jointed,  black  to  brown-black,  the  scape  sometimes 
pale  at  base  and  apex,  with  the  pedicel  and  first  and  second  funiclar 
joints  sometimes  pale;  pedicel  in  S  as  long  as  the  first  and  second 
funiclar  joints  together;  joint  1  of  funicle  very  minute,  second  as  thick 
as  long;  third  sumller;  club  5  jointed,  the  first  joint  longer  than  wide; 
the  following  joints  to  the  last  a  little  wider  than  long;  in  9  the  club 
is  4-jointed,  the  joints  stouter  than  in  the  S .  Thorax  short,  ovoid, 
smooth,  and  shining,  without  a'trace  of  the  mesonotal  furrows. 

Scutellum  transversely,  highly  convex.  Metapleura  sericeous.  Teg- 
ular piceous.  Wings  hyaline.  Legs,  including  coxje,  rufo-piceous; 
trochanters,  base  and  tips  of  tibijv,  and  the  tarsi  honey-yellow.  Abdo- 
men longer  than  the  thorax,  polished ;  the  petiole  striated,  the  second 
segment  with  two  striated  foveola'-  at  base. 

Habitat.— -Florida. 

Types  in  Coll.  National  Museum  and  Coll.  Ashmeatl. 

Many  specimens  reared  by  myself  at  Jacksonville,  Fla.,  from  Cecido- 
ttiyia  baccharmh  Ashm.  MS. 


M<>.\(KJRA1'F!  OF  THE  NOHTH  AMKKICAN  PUOCTOTKYIMD.E.     307 

Polygnotus  solidagiuis  Asbin. 
Can.  Eiit.  xix,  p.  131;  ('ies«.  Syu.  lljiii.,  p.  25(). 

S  2.  Length,  1  to  l.OO""".  Black,  iiolislied;  licad  very  wide,  the 
vertex  posteriorly  strongly  transversely  striated ;  faee  smooth,  polished. 
Mandibles  nitons.  Anteniiie  lO-jointed,  brown,  the  scape  often  black; 
pedicel  in  S  longer  than  the  tirst  two  funiclar  joints;  joint  I  of  fnnicle 
very  small,  yellowish;  second  much  larger  than  the  third,  and  thicker; 
club  joints,  except  the  tirst  and  last,  hardly  longer  than  thick,  the  first 
wider  than  long,  the  last  cone-shaped  ami  one-lialf  longer  than  the  i)re- 
cediiig;  club  in  9  4-jointed,  the  last  funiclar  joint  obcouic.  Thorax 
ovoid,  smooth,  usually  without  a  trace  of  furrows  posteriorly,  and 
sparsely  pubescent,  especially  near  the  scutellum.  Scutellum  high, 
convex.  Metapleura  sericeous.  Teguhe  i)iceous  or  black.  Wings 
hyaline,  pubescent.  Legs,  including  coxa%  variable,  from  a  pale  rufous 
to  rufo-piceous,  sometimes  only  the  tarsi  are  pale;  sometimes  trochan- 
ters, bases  and  tips  of  tibiie,  and  the  tarsi  honey-yellow,  and  sometimes 
the  middle  and  posterior  femora  are  black.  Abdomen  longer  than  the 
thorax,  the  petiole  striated;  the  striit  from  the  basal  foveohe  on  tlie 
second  segment  extend  to  the  middle  of  the  segment. 

Habitat. — Florida  and  Missouri. 

Types  in  Coll.  Ashmead  and  National  Museum. 

Many  specimens.  First  bred  at  Jacksonville,  Fla.,  by  myself  from 
Cecidomyia  nebulosa  Ashm.  MS.  Dr.  Ililey  has  also  reared  it  at  Bush- 
berg,  Mo.,  from  a  Cecidomyiid  gall  on  Soliflago,  September  21,  187G, 
while  Miss  Murtfeldt  bred  it  from  the  same  gall  at  Kirkwood,  Mo., 
September  13, 1885. 

,       .  Folygnotns  pinicola,  sp.  nov. 

S  9  .  Length,  .80  to  1""".  Black,  shining;  head  wider  than  the 
thorax,  smooth,  highly  polished,  the  ;ertex  ]>osteriorly  and  the  occiput 
not  aciculated.  Antenna'  10-jointed,  brown;  lirst  three  funiclar  joints 
small,  slightly  increasing  in  length;  club  ."i-jointed,  the  joints,  except 
the  last,  scarcely  longer  than  wide;  in  S  the  first  funiclar  joint  is  very 
small,  the  second  slightly  curved,  dilated,  and  truncate  at  apex;  the 
club  6-jointed;  the  joints,  except  the  last,  moniliform,  slightly  pedicel- 
late; the  last  fusiform,  much  longer  than  the  preceding.  Thorax  short, 
ovoid,  shining,  without  a  trace  of  the  niesonotal  furrows.  Scutellum 
high,  transversely,  convex.  Metapleura  nearly  bare.  Teguhe  piceous. 
Wings  hyaline.  Legs,  inclu<lingcoxas  dark  rufous,  the  tarsi  and  some- 
times the  tip  of  anterior  tibia^,  honey-yellow  or  whitish.  Abdomen  not 
longer  than  the  thorax,  smooth,  the  petiole  and  the  second  segment  at 
base  striated.  . 

Habitat. — Washingttm,  D.  ('. 

Types  in  National  Museum. 

Described  froiu  several  si)ecimens,  reared  May  14,  1879,  from  a  Ceci- 
domyiid, Cecidomifia  ^ini-in<ypi8  0,  /6'.,  fouiul  on  pine  needles, 


308  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

Polygnotus  striaticeps,  sj).  nov. 

S  9.  Length,  O.GO  to  1.20""".  Bhu-k,  shining;  liea.i  transverse,  a 
little  more  than  twiee  us  wide  as  thick  anteroposteriorly,  and  angnlarly 
prodmed  over  the  eye;  vertex  iminessed  at  the  middle  witli  strong 
transverse  stria'  ocenpyiiig  the  whoh;  occiput  and  extending  forward  as 
far  as  the  front  o<'elhis;  face  smooth.  ]\Iandibh's  black.  Antenuit  10- 
jointed,  black;  pcdii-d  about  as  long  as  the  lirst  and  second  funiclar 
joints  united;  joint  1  of  lunicle  very  small,  li  and  .'>  equal,  very  slightly 
longer  than  thick,  4  ;vs  long  as  thick  at  tij),  narrowed  toward  base; 
club  4-jointed,  the  j<)ints,  except  the  last,  a  little  longer  than  thick,  the 
last  slightly  longer  than  tlu'  preceding,  cone-shajied;  in  ^  the  second 
fuuiclar  joint  is  curved,  dilated  and  truncate  at  tip;  the  club  0-jointed, 
slightly  thickened  towards  the  tip,  the  joints  oval  nioniliform,  hairy, 
slightly  pedicellate,  the  last  joint  nearly  twice  as  long  as  the  preced- 
ing. Thorax  ovoid,  highly  polished,  the  mesonotal  furrows  distinct  for 
nearly  half  the  length  of  the  mesonotum  posteriorly.  Scutellum  high, 
transversely,  (convex.  Metanotum  Avith  2  carinas  on  the  disk;  meta- 
pleurr  bare,  aciculated  in  the  $  ,  sericeous  in  S  .  Tegulic  black.  Wings 
hyaline.  Legs  black,  the  anterior  and  middle  tarsi  white.  Abdomen 
in  9  as  Imig  as  the  head  and  thorax  together,  shoi-ter  in  the  6  ,  the 
petiole  striated,  the  second  segment  striated  at  base,  the  stria;  extend- 
ing along  the  sides  to  the  middle  of  the  segnuMit. 

Habitat. — !San  Diego  and  Los  Angeles  County,  Cal.  ■ 

Tyi)es  in  National  Museum. 

Described  fiom  several  specimens,  reared  in  July,  188<5,  by  A.  Koebele, 
from  aCecidomyiid  gall  on  an  evergreen  shrub  [Bigehvia  or  Artemima 
sp.)  taken  at  Xewhall,  Los  Angeles  County,  Cal.;  also  one  female, 
labeled  as  having  been  reared  from  AHpUliotua  on  Biydovia^  by  the 
same  observer  at  ^an  Diego,  Cal. 

It  is  scarcely  necessary  for  me  to  state  that  this  latter  statement  is 
erroneous,  as  we  know  positively  no  Platygasterid  is  parasitic  ou 
Coccids.  * 

Polygnotus  atriplicis,  sj).  uov. 

$  9.  Length,  1  to  1.40"'.  Black,  polished;  vertex  posteriorly 
transversely  aciculated,  the  face  smooth.  Mandibles  ]nceous.  Anteu- 
nse  lOjointed,  black;  pedicel  as  h)ng  as  the  first  and  second  funiclar 
joints  together,  a  little  pale  at  tip;firstfuni(!lar  joint  small,  pale;  second 
and  third  cylindric,  the  third  shorter  than,  the  second;  club  r»-jointed, 
the  first  joint  a  little  narrt)wer  than  the  following,  contracted  toward 
the  base,  the  other  joints  to  the  last  longer  than  thick,  cup-shaped,  out- 
wardly at  tips  subserrate,  the  last  cone-shaped,  longer  than  the  pre- 
ceding. Thorax  ovoid,  ]>o]ished,  the  mesonotal  furrows  indicated  pos- 
teriorly for  more  than  half  the  length  of  the  mesonotum.  Scutellum 
transversely   high,  slightly  pubescent  i)osteriorly.    Metapleura  seri- 


MOXOCRAPH  OF  THK  NORTH  AMERICAN  PROCTOTRYPIDiE.     309 

ceou8.  Tefiula'piecous.  Wings  hyaline,  iridescent,  sparsely  pubescent. 
Legs  black,  tlie  anterior  tibiie  toward  tips  and  all  tarsi  lioney-yellow. 
Abdomen  not  quite  as  long  as  the  hciul  an<l  thorax  t<>gether,  the  tirst 
segment  ind  the  sec<md  at  base  striated. 

In  the  male  the  abdomeii  is  oblong  oval,  broadly  rounded  behind,  the 
antenna'  bhu-k,  witli  the  i)edicel  more  or  less  pale  and  shorter  than  the 
second  funiclar  joint;  tirst  funidar  joint  small,  rounded;  second  nuicli 
dilated,  truncate  at  tip,  narrowed  at  base;  club  (J-jointed,  bristly,  the 
joints,  except  the  last,  oval  ni(»niliform,  the  last  cone  shaped,  nearly 
twice  as  long  as  the  i)enultimate  joint. 

Habitat. — IjOS  Angdes  and  San  Bernardino  County,  Cal. 

Types  in  National  Musenm. 

Described  from  several  specimens,  reared  by  A.  Kjebele,  during 
April  and  May,  from  a  ('ecidomyii<l  gall  on  Atriplex  canescens,  found 
in  California. 

Polygnotus  artemisiae,  Hp.  iiov. 

S  9.  Length,  1  to  1.40 '"'.  Black,  polishe<i;  vertex  posteriorly  trans- 
versely aciculated.  Mandibles  piceous.  Antenna'  10  jointed,  the  scai^e 
black,  the  tlagellum  dark  brown;  pedicel  as  long  as  the  first  and  second 
funiclar  joints  together;  first  funiclar  joint  verysnuill;  second  thick- 
ened, longer  than  thick;  third  narrower  and  shorter  than  the  second; 
club  5-jointe<l,  the  tiist  joint  shorter  than  the  following  and  not  quite  so 
thick,  round<'d  at  base;  the  following  joints  to  the  last  very  slightly 
Avider  than  long,  rounded  at  base,  truncate  at  tip,  the  last  cone-shaped, 
longer  than  tlic  preceiling.  In  the  male  the  pedicel  is  not  longer  than 
the  second  funide  joint,  which  is  slightly  curved  and  dilated  and  trun- 
cate at  til*;  club  (J-jointed,  hairy,  the  joints,  excejtt  the  last,  moniliform, 
slightly  pedicellate,  the  last  cone-shaped,  almost  twice  as  long  as  the 
preceding.  Thorax  ovoid,  shining,  the  mesonotal  furrows  distinct  pos- 
teriorly. Scutellnni  jmlished,  tranvcrsely  highly  convex.  Metapleura 
sericeous.  Tegnlic  black.  Wings  hyaline,  pubesceut.  Legs  black  to 
brown  black,  the  trochanters,  tii>s  of  tibia'  and  tarsi  honey-yellow. 
Abdomen  as  long  as  the  head  and  thorax  together,  polished,  the  petiole 
striated,  the  second  segnuMit  with  L*  striated  foveohe  at  base. 

Habitat. — Lancaster,  Los  Angeles  (Nmnty,  Cal. 

Types  in  National  Mnseurn. 

Described  from  seveial  specimens,  reared  by  A.  Koebele,  December 
(5,  1.SS7,  fnun  a  Cecidomyiid  gall  found  on  Artemisia  californica. 

Polygnotus  virginieiisis,  sp.  no\ . 

9.  Length,  1.2""".  Polished  black.  Head  alxmt. '5  times  as  wide  as 
long  antero  i)Osteriorly,  the  occiput  transversely  striated,  the  face 
smooth,  shining,  impunctured;  legs  and  anteniue  black,  articulations  of 
legs  and  tarsi  brown.  Kunicle  .slender,  the  first  joint  small,  the  second 
a  little  larger  than  the  third;  club  joints  about  twice  as  long  as  thick 


810  BULLETIN   4r>,  TINITKD    STATES   NATIONAL   MUSEUM. 

or  nearly  so.  Thorax  with  distinct  furrows  posteriorly,  the  ini(l<lle  lobe 
prqioctiug-  slightly  n])on  tho  bascoftlie  high,  convex  scutelluni,  tbveated 
on  either  side.  Wings  hyaline,  ])nbescent.  Abdomen  conically  ixvinted, 
longer  than  the  head  and  thorax  together,  the  petiole  striated,  scgiucnts 
3,  4,  and  5  with  a  transverse  row  of  punctures. 

S  .  Length,  0.8  to  1""".  Agrees  with  the  9  ,  except  the  antennje  are 
quite  different,  the  club  being  .^-jointed,  dilated  or  thickened  toward  the 
tip,  the  joints,  except  the  last,  being  tiansverse,  the  funiclar  Joints  1  and 
2  subequal;  the  abdomen  broadly  ovate,  not  longer  Ihan  the  head  and 
thorax  together,  its  broadest  part  being  wider  than  the  thorax,  the 
I)etiole  and  the  base  of  second  segment  beneath  with  a  tuft  of  woolly 
pubescence. 

Habitat. — District  of  Cohimbia  and  Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Described  from  many  specimens. 

Polygnotus  alnicola.  sp.  uov. 

9  .  Length,  1.20'"'".  Black,  shining;  hea<l  3^  times  as  wide  as  long 
antero-posteriorly,  the  vertex  posteriorly  transversely  aciculated,  the 
facesmot>th,  polished.  Antennae  10  Jointed,  dark  brown;  pedicel  longer 
than  the  first  and  second  funiclar  Joints  together,  pale  brown;  tirst 
funiclar  joint  very  minute;  second  a  little  longer  than  thick,  third  not 
longer  than  thick ;  chd)  o-Jointed,  the  first  joint  a  little  longer  than  wide, 
slightly  narrowed  toward  bast',  the  second,  third,  and  fourth  quadrate, 
the  last  ovate,  longer  than  the  preceding.  Thorax  ovoid,  polished,  the 
mesonotal  furrows  indicated  oidy  posteriorly  and  very  faintly.  Scu- 
telluni high,  transversely,  convex.  Metapleura  sericeous.  Tegula's 
black.  Wings  hyaline,  with  pale  i)ubescence.  Legs  brown,  the  tro- 
chanters, tips  of  tibiie  and  tarsi  pale.  Abdomen  a  little  longer  than 
the  thorax,  the  petiole  and  the  second  segment  at  base  striated. 

Habit  vt. — District  of  Columbia. 

Types  in  National  Museum. 

Described  from  4  specimens,  reared  July  31, 1886,  from  a  Cecidomyiid 
gall  iu  the  flower  bud  of  alder. 

Polygnotus  tumiduB,  sp.  nov.  *' 

9.  Length,  1""".  Black,  polished;  head  nearly  4  times  as  wide  as 
long  antero-posteriorly,  the  vertex  transversely  sti'  ted.  Mandibles 
brown.  AntenuiTi  10  Jointed,  brown-black;  pedicel  noi  (juite  as  long  as 
the  first  and  second  funiclar  Joints  united;  first  funiclar  Joint  small ;  sec- 
ond and  third  nearly  equal ;  club  .l-Jointcd,  very  wide;  the  second,  third, 
and  fourth  joints  wider  than  long  and  at  tips  toward  (me  side  a  little 
serrated,  at  base  rounded,  last  Joint  more  slender  and  longer  than  the 
preceding.  Thorax  ovoid,  highly  polished,  the  mesonotal  furrows 
only  faintly  indicated  posteriorly.     Scutellum  high,  convex,  polished. 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCToTRYPIDvE.     3tl 

Metapleur«*i  bare,  faintly  striated,  Tegnlse  nilbns.  Wings  hyaline. 
Legs  brownish-pieeons,  the  trochanters,  tips  of  anterior  tibia^,  and  all 
tarsi  ])aler.  Abdomen  polished,  not  longer  than  the  head  and  thorax 
together,  the  petiole  striated;  the  second  segment,  at  base  on  either 
side,  with  two  striated  foveol*,  the  striie  extending  to  the  middle  of 
the  segment. 

Habitat. — Washington,  D.  C. 

Type  in  National  Museum. 

Bred  February  25,  1881,  from  Cecidomyla  symmetrica  O.  S.,  a  gall 
common  on  the  leaves  of  various  oaks. 

Polygnotus  laticeps,  sj).  nov. 

$  9.  Length,  1.2  to  1.9""'.  Polished  black,  impunctured;  head 
very  wide,  fully  4  times  as  wide  as  long  antero-posteriorly;  the  occi- 
put transversely  aciculated,  the  face  tiat  and  highly  polished,  the  lat- 
eral ocelli  about  twice  their  width  from  the  ntargin  of  the  eye.  An- 
tenufe  and  legs  black  or  brown  black,  trochanters,  base  of  tibia%  and 
tarsi  paler  brown.  Thorax  rounded  before,  rather  short,  with  distinct 
parapsidal  furrows  posteriorly,  the  middle  lobe  projecting  a  little  upon 
the  base  of  the  scntellum,  the  scut«llum  highly  convex,  jwhshed,  deeply 
fovcated  along  the  base;  metathorax  short,  the  pleura  faintly  striated  or 
pubes(;ent.  Abdomen  broadly  ovate,  the  apical,  ventral,  and  dorsal 
segments  with  transverse  rows  of  punctures.  Wings  hyaline.  Theau- 
tennjc  in  the  $  terminate  in  a  ">  Jointed  club,  the  joints,  except  the 
last,  being  as  broad  or  a  little  broader  than  long;  in  the  9  the  joints 
are  longer  than  wide. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Polygnotus  hiemalis  Forbes. 
Platygashr  humalis  Forbes,  Psyche, Vol.  5,  p.  39  (1888). 

S  9.  Length,  0.80  to  1.40""".  Black,  polished;  head  about  two 
and  a  half  times  as  wide  as  long  antero-posteriorly,  the  vertex  poster- 
iorly only  faintly  aciculated,  the  face  smooth,  polished.  Antenna;  10- 
jointed,  brown-black,  the  flagellum  twice  as  long  as  the  scape;  pedicel 
as  long  as  and  much  stouter  than  the  first  two  funiclar  joints;  first 
fuuiclar  joint  small,  not  longer  than  thick,  yellowish  basally;  second 
larger  and  a  little  longer  than  the  third;  club  5 jointed,  the  joints, 
except  the  last,  a  little  longer  than  wide,  the  last  cone-shaped,  one- 
half  longer  than  the  preceding.  In  the  male  the  second  funiclar  joint 
is  thickened,  curved,  and  as  long  as  the  pedicel  the  latter  whitish  or 
yellowish  at  tip;  the  first  funiclar  joint  small,  coh.racted  atbase;  club 
6  jointed,  villose,  the  joints  oblong,  slightly  pedicellate,  the  first,  the 
shortest,  narrowed  basally,  the  last  ovate,  not  quite  twice  as  long  as 
the  penultimate.    Thorax  ovoid,  polished,  the  mesonotal  furrows  del- 


312    BULLETIN  45,  UNITED  STATES  NATIONAL  MUSEUM. 

icate  but  distinct  posteriorly,  in  tbe  3  almost  obliterated,  tlie  middle 
lobe  projecting  slightly  upon  the  scutellum.  Scutellum  very  high, 
transverse,  convex.  Metapleura  subsericeous.  Teguhe  rutb-piceous. 
Wings  hyaline,  pubescent.  Legs  dark  brown  to  piceous,  trochanters, 
tips  of  anterior  femora  and  tibia*,  base  of  middle  and  posterior  tibite, 
and  all  tarsi  brownish-yellow  or  honey-yellow,  sometimes  the  poster 
ior  femora  black.  Abdomen  in  the  .9  about  is  long  as  the  bead  and 
thorax  together,  in  S  shorter;  in  both  sexes,  the  petiole  and  the  fove- 
ola^  at  base  of  the  second  segment  striated. 

Hakitat. — Western  States. 

Types  in  the  Illinois  State  Laboratory  of  Natural  History  and 
National  Museum. 

This  species  seems  to  have  been  first  reared  by  Dr.  Riley,  from  spec- 
imens of  the  Hessian  tly  {Cecidomyia  destructor  Say),  August  IG,  1870^ 
received  from  Blair,  Nebr.  It  has,  however,  since  been  bred  from  the 
same  tly,  by  viirious  persons  in  the  Western  States.  Prof.  Forbes 
reared  it  in  1888  at  Chami)aign,  III.;  Prof.  Cook,  of  Agricultural  Col- 
lege, Mich.,  in  1800;  and  Prof.  Webster  at  Laporte,  Ind.,  in  1889. 

I  know  of  no  specimens  reared  in  the  Eastern  States.  Can  tbe 
species  be  moving  Eastward? 

Polygnotus  prozimus,  sp.  nov. 

S  $  .  Length, 0.80  to  1.20"" .  Black,  polished ;  head  thrice  as  wide  as 
long  nntero-posteriorly,  the  vertex  posteriorly  transversely  aciculated, 
the  face  polished.  Mandibles  piceous.  Antennae  10-jointed,  brown- 
black,  much  slenderer  than  in  J*,  hicmalifi,  the  Hagellum  slightly  more 
than  tvice  the  length  of  the  scape;  pedicel  long,  cylindric,  as  long  as 
the  first  and  second, funidar  joints  together;  first  funidar  joint  longer 
than  thick,  whitish  at  base;  second  much  longer  and  thicker;  third 
shorter  than  the  second  and  constricted  at  ai)ex ;  club  5-jointed,  slender, 
the  joints  neaily  twice  as  long  as  thick,  the  last  fusiform,  longer  than 
the  preceding.  In  the  male  the  pedicel  is  oval,  not  quite  as  long  as  the 
first  and  second  fnniclar  joints  together;  first  funidar  joint  small,  monili- 
form;  second  larger,  «lilated  and  truncate  at  tip;  clnb  0-jointed,  hairy, 
the  joints,  except  the  last,  moniliform,  not  longer  than  thick,  slightly 
l>edicellate,  the  last  <'one-shaped,  nearly  twice  as  long  as  the  preceding. 
Thorax  ovoid,  polished,  the  mesonotal  furrows  indicated  only  poste- 
riorly, the  mi<ldle  lobe  projecting  a  little  «m  the  base  of  the  scutellum, 
the  ])arapsides  at  base  Avith  a  tuft  of  pubescence.  Scutellum  high, 
transverse,  convex,  with  a  little  imbescence  on  either  side  i)osteriorly. 
Metapleura  sericeous.  Tegula*  bhuik.  Wings  hyaline,  iridescent,  pubes- 
cent. Legs  brownish-piceous,  the  anterior  knees,  tips  of  anterior  tibijB 
and  all  tarsi,  honey-yellow.  Abdomen  in  9  pointed  at  tip,  slightly 
longer  than  the  head  and  the  thorax  togetlier,  in  S  oblong-oval,  not 
longer  than  the  thorax,  the  petiole  striated,  the  second  segment  with 


MONOGRAPH  OF  THE  NORTH  AMERIOAN  morTOTRYPTD.E,     313 

two  deep  elongated  foveola'  at  base,  the  spaee  between  tlieiii  sliowinpf 
some  loiigitiuliiial  stiiie,  of  "rwise  tlie  whole  surface  is  highly  polished, 
black. 

Habitat. — District  of  C«)luiiibia. 

Types  in  National  Museum. 

Described  from  several  specimens  bred  by  Dr.  llilcv  from  the  Oypress 
Cecidomyiid  {CecUlomy'm  c.  aiutimfixd  Kiley) ;  no  <late  of  rearing  is  given. 

Polygnotus  viticola,  sp.  nov. 

S  9.  Length,  1.20  to  1.40"".  Black,  polishe<l;  head  a  litth'  more 
than  thrice  as  wide  as  long  antero  jjosteriorly,  the  vortex  posteriorly 
transversely  aciculated,  the  face  smooth.  Mandibles  rufous.  Antenna? 
10-jointed,  brown  or  brown-black,  the  Hagellum  not  quite  twice  as  long 
as  the  scape ;  pedi<'cl  hardly  as  long  as  the  tirst  and  second  funiclar  joints 
tf)gether  and  not  as  thick  at  tij)  as  the  second  funiclar  joint;  tirst  funi- 
clar joint  minute,  the  second  and  third  about  of  an  equal  length,  but  the 
second  the  thicker;  club  o-jointed,  the  joints  bricily  pedicellate,  the 
tirst  four  joints  as  wide  as  long,  cuj)  shaped,  the  last  cone-shaped, 
longer  than  the  penultimate. 

In  the  S  the  tlagellum  is  covered  witli  short,  white,  stiff" hairs;  the 
second  funiclar  joint  is  larger  and  stouter  than  thejiedicel;  the  club 
(5-jointed,  the  joints,  except  the  last,  oval  inoniliform,  pedicclhited,  the 
last  cone-shaped,  one  and  one  half  times  as  long  as  the  penultimate 
Thorax  ovoid,  i)olished,  the  mesonotal  furrows  very  faintly  indicated 
l>osteriorly,  more  distinct  in  the  female,  tlie  basal  point  of  the  middle 
lobe  projecting  slightly  upon  the  scutellum,  the  lateral  lobes  at  base 
slightly  pubescent.  Scutellum  transverse,  high,  convex,  very  sjtarsely 
pubescent.  Metapleura  sericeous.  Teguhe  rufo-piceous.  Wings  hya- 
line, pubescent.  Legs,  including  coxa),  rufo-piceous  or  brownish,  the 
tarsi  paler,  or  yellowish.  Abdomen  ovate,  scarcely  longer  than  the 
hea<l  and  thorax  together,  i)ointcd  at  tip,  the  petiole  striated,  the  sec- 
ond segment  Avith  two  long,  striat<Hl  foveola;  at  base,  one  on  either  side, 
the  third  and  fourth,  with  a  transverse  row  of  faint  punctures,  the  fifth 
and  foHowing  segments  closely  pun(!tate;  the  third,  fourth,  and  tifth 
ventral  segments  also  show  rows  of  punctures.  In  the;  S  the  abdomen 
is  shorter,  oblong-oval,  the  third,  fourth,  tifth,  ami  sixth  segments  with 
a  single  row  of  punctures  at  base,  whiU^  tin;  col•r(^sponding  ventral  s«'g- 
ments  show  rows  of  very  faint  i)unctures. 

Habitat. — Washington,  D.  C. 

Types  in  Nathmal  INIuseum. 

Described  from  several  specimens,  reare«l  March  31,  1SS2,  from  aCeci 
domyiid  gall  on  the  petiole  of  a  grapevine,  collected  on  the  grounds  of 
the  Department  of  Agriculture. 


314  BrLLETIN    Jr.,  tINlTKI)   STATES   NATIONAL    Ml'SEUM. 

Polygnotus  utahensis,  s\i.  uov. 

(?  9.    Length,!' Bhuk,  ]«)lislie»l;  lieiid  tlnic*^  as  wide  as  tbick 

antero-posteriorly,  the  vertex  in  9  angnliuly  produced  over  the  eye,  but 
not  in  the  i  ,  posteriorly  not  acii^uhited,  or  only  faintly  aeiculated  in  9  , 
perfectly  smooth  in  S  ,  the  face  smooth.  Antennie  10-jointed,  l)Iack  or 
brown-blaek;  pedicel  a  little  longer  than  the  second  funiclar  joint;  first 
funidar  joint  very  small,  rounded;  second  and  third  about  equal;  club 
o-jointed,  the  joints,  exc('i»t  the  last,  longer  than  thick.  In  the  S  the 
second  funiclar  joint  is  distinctly  longer  than  the  pedicel ;  club  G-jointed, 
the  joints  about  twice  as  long  as  thick,  pedicellate. 

Thorax  ovoid,  i)olished,  with  the  niesonotal  grooves  slightly  indicated 
posteriorily  and  with  some  pubescence  just  in  front  of  the  scutelluui. 
Scutelluni  in  3  subconvex,  i)ubesccnt  with  a  slight  median  carina; 
in  9  high,  transversely,  convex,  polished.  Metapleura  in  9  bare,  finely 
sculptured;  iu  S  sericeous.  Teguhe  rufo-piceous.  Wings  liyaline, 
pubescent.  Legs  black  or  brown-black,  tarsi  piceous,  in  3  the  knees, 
tips  of  anterior  tibia',  and  all  tarsi,  honey  yellow.  Abdomen  not  longer 
than  the  thorax,  polished,  the  petiole  and  foveohe  at  base  of  sec<md 
segment,  striated. 

Habitat.— Pariah,  Utah. 

Types  in  Xational  ^Fuseum. 

Described  from  two  specimens,  1  ^,19,  received  from  A.  L.  Siler, 
and  bred  during  July,  LS81,  from  a  Cecidomyiid  gall  on  Ariemixia  3- 
dentata. 

Polygnotus  cynipicola,  sp.  nov. 

$  9.    Length,  0.60  to  0.80 '.     Black,  polished;  head  3.^  times  as 

wide  as  thick  auter()-i)osteriorly,  the  vertex  posteriorly  very  faintly 
aeiculated,  the  face  smooth,  polished.  Antenuje  10-jointed,  brown- 
black  ;  pedicel  as  long  as  the  second  funiclar  joint,  piceous ;  first  funiclar 
joint  very  minute,  yellowish,  third,  longer  than  the  second;  club 
5-jointed,  broad,  the  joints,  except  the  last,  slightly  wider  than  long; 
in  i  the  club  joints  are  longer  than  wide,  covered  with  white  bristles, 
the  last  pointed,  fusiform.  Thorax  ovoid,  polished,  the  niesonotal  fur- 
rows faintly  indicate<l  posteriorly,  the  basal  tii>s  of  the  middle  lobe 
slightly  elevated.  Scutelluni  high,  transversely  convex,  sparsely 
])ubesceut  posteriorly.  Metapleura  bare,  aeiculated,  in  S  slightly  seri- 
ceous. Teguhii  black.  Wings  hyaline,  pubescent.  Legs  black  or 
brown-black,  the  tip  of  anterior  tibiae  and  all  tarsi,  honey-yellow. 
Abdomen  not  longer  than  the  thorax,  polished,  the  petiole  and  the 
foveolai  at  base  of  second  segment  striated,  the  third  and  following 
segments  with  transverse  rows  of  punctures. 

Habitat. — Arlington,  Va. 

Types  in  National  Museum. 

Described  from  several  specimens,  bred  July  3,  1883,  from  a  Cynipid 
gall,  NeuroteruH  hatatus  Fitch. 


MONOORAPII  OF  TIIK  NORTH  AMERICAN  PROCTOTRYPIDiR.     315 
Polygnotiis  eurotiae,  sp.  nov. 

9.  Lenj^tli,  1  to  1.20"".  r>lack,  polished;  licad  thrice  as  wide  as 
thick  antero-posteiioily,  the  vertex  perfectly  smooth.  Anteuua-  10- 
Joiiited,  blaitk;  pedicel  sliyhtly  lonj^^er  and  thicker  than  the  first  and 
second  I'nnielar  joints  together,  the  tliree  liiniclar  Joints  cylindrical,  of 
a  nniforin  thickness,  the  first,  the  shortest,  the  second,  the  lonji^est,  but 
only  a  littler  lon,<;-er  than  the  third;  club  5  jointed,  slender,  the  Joints 
all  distinctly  l()nj>;er  tiiaii  thick,  about  li  times  as  long  as  thicik,  the 
last  long,  conical.  Thorax  ovoid,  polished,  the  mesonotal  grooves  dis- 
tinct posteriorly  for  half  the  length  of  the  niesonotuni,  the  base  of  the 
lateral  lobes  with  some  short  s«^ria'.  S<'utellum  high,  transversely,  con- 
vex, slightly  ]mbescent  posteriorly.  INIetapleura  sericeous.  Teguhe 
rnfo-i>iceous.  Wings  hyaline,  i)ubeseent.  Legs  brown  Idack,  anterior 
knees,  tips  of  tibia'  and  all  tarsi  honey  yellow.  Abdomen  as  long  as 
the  thorax,  polished,  the  petiole  aiid  fove<da'  at  base  of  the  second  seg- 
ment striated. 

Habitat. — San  liernadino  (Nmnty,  Cal. 

Types  in  National  ^Museum. 

Des(;ribed  from  two  specimens  bred  April  17,  1SS7,  by  A.  Koebele, 
from  a  Cecidomyiid  gall  on  Eurotia  canata. 

Polygnotus  rubi,  hj).  nov. 

9.  Length,!"".  Bla(;k,  jHtlished;  head  thrice  as  wide  as  thick 
antero  posteriorly,  the  vertex  not  aciculated.  Antenna'  10-Jointed, 
brown,  the  scape  and  i)edicel  yellowish ;  pedicel  as  long  as  the  first  and 
seeoud  funiclar  joiuts  together ;  first  funidar  joint  very  minute ;  second 
and  third  about  equal;  club  5-Jointed,  slender,  the  joints,  except  the 
last,  not  longer  than  thick,  cuj)  shaped.  Thorax  ovoid,  ixdished.  the 
mesonotal  furrows  only  slightly  indicated  posteriorly,  the  basal  ti])  of 
the  middle  lobe  slightly  elevated,  the  parapsides  at  base  with  a  small 
tuft  of  pubescence.  Scutellum  high,  transversely  convex,  posteriorly 
}mbescent.  Metapleura  sericeous.  Teguhe  rufo-])iceous.  Wings  hya- 
line, pubescent.  Legs  black,  or  brown  black,  the  tips  of  anterior  femora, 
their  tibia',  and  all  tarsi,  honey-yellow.  Abdomen  i>olished,  about  as 
long  as  the  head  and  thorax  together,  ])ointed  at  tip,  the  petiole  and 
the  foveohe  at  base  of  second  segment  striated. 

Habitat. — Arlington,  V^a. 

Types  in  National  Museum. 

Described  from  two  sj>ecimens,  bred  March  30,  ISSO,  from  Cecidomyia 
farinosa  O.  S.  found  on  blackberry. 

Prof.  John  B.  Smith  has  also  reared  the  same  insect  from  a  gall  on 
blackberry  at  New  Brunswick,  N.  J, 

Polygnotus  asynaptae,  sp.  nov. 

^9.  Length,  0.80  to  1.20"''".  Black,  polished;  head  in  9  about  3* 
times  as  wide  as  thick  antero-posteriorly,  but  in  the  S  scarcely  thrice 


316    BULLETIN  45,  UNITKD  STATES  NATIONAL  MUSEUM. 

tis  wide  as  tliick,  the  vcitt'X  i)ost<'rioily  not  or  voiy  laiiitly  nciculnted. 
Antenna'  lojointcd,  hljuk,  tlio  lla^clhini  slender,  twice  as  loiij;-  as  the 
scape;  pedieel  about  as  long  and  thiek  as  the  second  <lul)  joint;  tirst 
tun iclarjuint  very  minute,  second  and  thinl, longer, eijual;  club  5  jointed, 
the  tirst  Joint  a  little  shorter  and  narrower  than  the  secfuid ;  secontl,  third 
and  fourth  «'(iual  in  length,  very  slightly  longei- than  thick,  the  lastcone- 
sha])ed,  longer  than  the  i)re(;eding.  In  the  S  the  pedicel  is  not  long»'r  than 
the  second  funiclar  Joint;  the  tirst  f'liniclar  Joint  is  annular,  fully  as  wide 
as  the  pedicel,  the  seeoiul  funiclar  Joint  is  a  little  shorter  than  tiie  tirst 
club  Joint;  club  C  Jointed,  (•ylindri(  al,  the  last  Joint  enlarged,  fusiform, 
all  the  other  Joints  ]»edicellated,  about  ejpial  in  h'ngth,<'ylindiic,  about 
twice  as  long  as  thick.  Thorax  ovoitl,  highly  ])olished,  tlu^  mesonotal 
furrows  distinct  posteriorly  for  half  the  length  of  the  njesonotum,  the 
parapsides  at  base  with  slight  tufts  of  glittering  white  hairs.  Kcutel- 
lum  high,  convex,  sparsely  i)ubescent  i)osteriorly.  Metai)leura  bare, 
not  perfectly  smooth.  Metauotum  very  short,  with  a  deep  central 
groove.  Teguhe  black.  Wings  hyaline,  covered  witli  a  short  pubes- 
cence. 

Legs  black  or  piceous-black,  the  tii>  of  anterior  tibia'  and  the  anterior 
and  middle  tarsi  brownisii.  Abdonu'u  i>olished,  pointe<l  in  the  9  and 
scarcely  longer  than  the  head  and  thorax  united;  in  the  S  oblong  oval; 
in  both  Fexea  the  i)Otiole  is  bare,  fluted,  the  second  segment  with  two 
long,  striated  foveohe  at  br^e. 

Habitat. — May  wood,  HI. 

Tyi>e8  in  N.ational  IVIuseum. 

Described  from  several  s]>ecimens,  reared  January  22  and  February 
1  and  3,  181)0,  by  Prof.  <>.  S.  Westcott,  from  a  willow  Ceeidomyiid  (Asy- 
napta,  sp.). 

PolygnotUB  huachucae,  sp.  nov. 

$9.  Length,  O.SO  to  1.40"'".  Black,  polished;  head  about  thrice  as 
wide  as  thick  antero  posteriorly,  the  vertex  i>osteriorly  showing  taint 
traces  of  aciculations.  Mandibles  piceous.  Antenna',  10-Jointed,  black, 
the  tlagellum  one  and  a  half  times  as  long  as  the  scape;  pedicel 
a  little  longer  than  the  tirst  and  second  funiclar  Joints  together;  first 
funiclar  Joint  very  minute,  pale;  second  and  third  longer,  the  second 
the  larger;  club  5-Jointed,  the  first  Joint  smaller  than  the  three  follow- 
ing, whicli  are  a  little  wider  than  long,  rounded  at  base,  truncate  at 
tip,  the  last  cone-shaped,  a  little  longer  than  the  preceding.  In  the  S 
the  Hagellum  is  not  quite  twice  as  long  as  the  scape,  the  pedicel  equal 
in  length  with  the  second  funiclar  Joint,  tirst  funiclar  Joint  annular, 
second  not  quite  as  long  as  thick,  obliquely  truncate  at  tip,  club 
6-Jointed,  covered  with  a  short,  grayish  i)ubescence,  the  Joints  sub- 
moniliform,  the  last  cone  shaped,  not  quite  twice  as  hmg  as  the  pre- 
ceding. Thorax  ovoid,  polished,  the  mesonotal  furrows  indicated  only 
posteriorly,  the  lateral  lobes  posteriorly  bare,  without  tufts  of  hairs. 


MONOIJKAI'II  OF  THE  NOUTH  AMERICAN  PROCTOTRYPID.E.      317 

Sciiti'llum  siiiootli,  <'onvex.  Metapleuia  subsericoous,  aciculated.  Tey- 
ula^  blark.  NVinjLjs  liyaliiu*,  stroiifjly  iri<l*'8<'»'nt,  Kjiarsely  imbesct'iit. 
Lej;s  pict'ous  blark,  tlio  anteri^u-  tibiic  and  all  tarsi  wliitisli  or  h(»ii«'y 
y»'ll«)\v.  Abdonu'ii  as  usual  in  tin-  si'Xfs,  in  the  9  pointi'd  and  as  Ion;; 
as  tlu'  bead  and  tlioiax  to<;rtlier,  the  prtiole  and  the  tbvt'ola'  at  base 
oftlic  sectMul  st'};:na'iit  striat»'«l. 

Haiutat. — Fort  Ihnuiinca,  Ariz. 

Typos  in  National  .Museum. 

Described  from  several  specimens,  r»'an'«l  June  5,  1S82, 1'nun  a  <^eei- 
domyiid  stem  }xn]\  on  suntiower,  and  trom  a  ('eeidoniyiid  pod  like  nnU 
on  an  unknown  plant,  sent  to  the  J)ei>artinent  by  U.  K.  Morriscui. 

Polygnotus  actiiionieridis,  n|i.  nov. 

S  9.     Leiif^tli,  tMJO  to  l.L'O lilaek,  polislied;  bead  '2.[    tiiiu's  an 

wide  as  thick  aatero  posteriorly,  the  vertex  postericuly  very  faintly 
acii'ulated,  the  face  smo«>th,  with  transverse  aciculations  above  th»'  iii- 
sertiou  of  the  antenna'.  Mandibles  piceous.  Antenna^  lOJointed,  (lark- 
brown,  the  scai)e  paler  toward  base;  pedicel  as  lonjj  as  the  secoiul  and 
third  fuuiclar  joints  tojjether;  tirst  funiclar  joint  verysuuiU;  second 
st«niter  ami  longin-  than  the  third;  third  a  little  longer  thau  the  tirst; 
club  5-jointed,  the  joints  lonjicr  than  thick.  In  the  i  ,  the  second  funiclar 
joint  is  dilated  and  truncate  at  tip,  the  club  <5-jointed,  the  joints  oval- 
uiouiliforui,  the  tirst  the  smallest,  the  last  enlarged,  fusiform,  stouter, 
and  twice  as  hmg  ;is  the  preceding.  Thorax  ovoid,  jujlished,  the  mesono- 
tal  furrows  distinct  ]>osteriorly ;  U()  tufts  of  ])ubesceuce  at  baseof  i»ar- 
apsides.  Scutellum  high,  <-ouvex,  polished,  with  a  slight  silky  i)U- 
bescence.  IMetapleura  subsericeous,  aciculated.  Tegulie  rufo-piceous. 
Wings  hyaline,  pubescent.  Legs  dark  rufous,  the  anterior  tibiae, 
and  all  tarsi  honey-yellow.  AbdonuMi  abitut  as  long  as  the  head  and 
thorax  together,  i)olished,  the  ]tetiole  and  the  foveohe  at  base  of  second 
segment  striated,  the  ventral  segments  3,  4,  5,  and  G  witli  a  transverse 
row  of  fine  punctures. 

Habitat. — Washington,  D.  C. 

Type  in  National  Museum. 

Described  from  4  specimens  reared  April  23, 1884,fromaCecidomyiid 
gall  on  Actinomeris  squarrosa. 

Polygnotus  vernonise,  sp.  nov. 

<J  9  .  Length  O.GO  to  0.80""".  Black,  polished;  head  nearly  thrice  as 
wide  as  thick  antero-posteriorly;  the  vertex  not  aciculated,  the  face 
smooth.  Mandibles  brown.  Antennte  10-joint«d,  brown  or  dark  brown ; 
pedicel  longer  than  the  tirst  and  .second  funiclar  joints  together;  tirst 
funiclar  joint  very  minute,  pale,  second  and  third  about  as  long  as  thick, 
equal;  club  5-joiuted,  the  joints  very  slightly  longer  than  thick,  the 
middle  joints  wider  thau  the  basal  and  apical  joints.    Id  the  S  the 


318  HULLKTIN    4r>,  IINITKI*   STATKS    NATIONAL   MUSEl'M. 

s«'coih1  fiiiiiclar  Joint  is  <lilat«M|,  tlu>  flub  (}-joiiit<'«l,  tl:«i  last  nilarjit'd,  ob- 
long, the  otlit'i- joints  inoiiiliionn.  Thorax  ovoid,  |iolisli(><I,  the  nicsoiKt- 
tal  furrows  only  Hlightly  indicated  posteriorly,  the  basal  tip  (d  the 
middle  lobe  slightly  elevated,  upon  the  base  of  the  Hcutelhini;  the 
l»aiapsides  with  a  slijiht  tuft  of  piibescenee  at  base.  iSeutelluiu  hi};li, 
truusverse,  i-ouvex.  Metapleura  eoxercd  with  a  white,  f;litterin>i  pu- 
besi'eiice.  Li'gs  brownishjdceous;  front  lejis,  tips  of  mid  lie  and  jtos- 
teiior  tibia',  and  all  tarsi  honey  ye'low.  Abdomen  pointed  in  9,  a  lit- 
tle longer  than  the  head  and  thoiax  t(»gether;  shortt'i'  and  obh>ng oval 
in  S  ,  the  i>etiole  and  foveola'  at  base  of  s«'eon«l  se<;nieiit  stiiated;  the 
third  and  folhnvinj^  segments,  in  the  S  ,witli  a  row  of  punctures  at  base. 

Habitat. — Arlington,  Va. 

Types  in  National  Museum. 

Described  from  several  sj»eiimen.s,  reared  Juue  IH  and  17,  18.s<i,  from 
a  Trypetid  gall  ou  Vernon ia  noveboracenxin. 

Folyguotus  floridanus,  s]i.  lun . 

$  .     Length,  1.4""".     Black;  antenna',  exce])t  the  club,  and  the  legs,  • 
except  the  posterior  pair,  yellow;  <lub  black;  jtosterior  coxic,  femora, 
and  tibte  dusky;  wings  hyaline,  almost  devoid  of  pubescence,  the  teg- 
idfe  black. 

The  head  is  wide  between  the  eyes  and  highly  ])olished;  mandibles 
piceous;  palpi  pale.  Antenna-  l()-jointed,  the  pe<licel  long,  as  long  as 
the  3  funi(;lar  Joints  united,  the  third  funiclar  Joint  the  widest,  club  joints 
black,  moniliform,  the  last  fusiform,  twice  as  long  as  the  preceding. 

Mesonotal  furrows  indicated  i>osteriorly ;  scutellum  cushion  shaped, 
the  metapleura  covered  with  a  white  i)ubescence. 

Abdomen  pear-shai)ed,  not  as  long  Us  the  thorax,  smooth,  polished, 
except  the  petiole,  which  is  wider  than  long,  striated,  and  some  strite  at 
base  of  second  segment. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead.  '  ■  • 

Distinguished  by  the  color  of  the  legs  and  the  peculiarity  of  its  an- 
tenn.ne,  the  pedicel  being  unusually  long  for  a  species  in  this  genus. 

Polygnotus  euurae,  sp.  nov. 

$.  Length,  LfiO""'.  Black,  jwlished;  head  two  and  a  half  times  as 
wide  as  thick  a  u  lero  posteriorly,  the  vertex  posteriorly  not  or  very 
faintly  aciculated.  Mandibles  rufous.  Autennat  lOJointed,  brown- 
black  ;  pedicel  one  and  a  half  times  as  long  as  thick;  first  funiclar  joint 
small,  rounded;  second  longer  than  thick,  vshghtly  curved;  club  <i- 
jointed,  the  joints,  except  the  last,  oval -moniliform,  slightly  pedicel- 
late, the  last  cone-shaped,  a  little  stouter  and  about  twice  as  long  as 
the  preceding.  Thorax  ovoid,  polished,  the  mesonotal  furrows  indica- 
ted posteriorly.    Scutellum  transverse,  convex,  sparsely  covered  with 


MONOOUAI'H  OK  TIIK  NnKTII  AMKUICAN  I'KOC  T<)TRYIMI)/E.     319 

SI  Hiu'Milk.v  |nil)t'sceiic«'.    M<'tii|>lriir;i  Mt'iireoiiM,    Tr^Mila-  riiloiis.    \Viii}fs 
liy;iliiii>,   imlu'scriit.     IaVi^s,   iiu-Iiuliiij;  rox;r,  dark   nil'ous.     Aluloineii 
ibloiiK-oviil,  aixMit  as  lon^  as  tiic  thorax,  the  pctiule  and  tht*  t'oveuiii'. 
at  hast^  of  s«'«'(nid  si'^^iiu'iit  stiial«Ml. 

IIAIUTAT.— St.  Louis,  .Mo. 

TyjM's  ill  National  Miisimiiii. 

Des(rilM'<l  tVoiii  2  (?  s|KMiiiu'iis,  hvvi{  February  L'4,  1S7L',  by  l>i.  C.  V. 
Kiley,  Iroin  the  Teiithiedinid  jjall  Eiuno  n.  lUnliis  Walsh. 

The  spe<ies  is  uii<|uestioiiably  parasitic  on  the  iiitjuiliiioiis  Ceeido 
inyious  tlies  known  to  inhabit  this  gall,  and  not  on  the  Tentlire<linid. 

PolygnotUB  angulatuB,  Hp.  iiov. 

S.  Length,  1.2""".  Blaek,  shining;  head  wide,  shagreened,  the  ver- 
tex angularly  iirodiiced  over  the  eyes,  transversely  aci«ulat<'d;  lateral 
ocelli  far  away  from  the  eye.  Antenna'  KJ-Jointed,  black,  the  pedictel 
as  long  as  the  tirst  and  second  funiclar  .joints  united,  lirst  fiiniclar  joint 
niinnte,  the  second  dilated  toward  apex,  the  apex  truncate;  club 
(J  jointed,  the  tirst  joint  slightly  the  smallest,  the  others,  except  the  last, 
only  a  little  longer  than  thick. 

Mesonotuni  with  two  distinct  furrows;  scutellum  transversely  elt!- 
vated,  convex;  inetathorax  very  short,  tlie  pleura  jmbesccnt.  Wings 
hyaline,  the  teguhe  bhu'k.  Legs  blaek,  trochanters,  anterior  tibia*  to- 
ward apex,  and  all  tarsi  pale  brown,  the  tarsi  not  longer  than  their  tibia*, 
the  basal  joint  as  long  as  the  three  following  joints  united.  Abdomen 
oblong-oval,  not  longer  than  the  thorax,  or  very  slightly  longer,  smooth, 
polished,  the  petiole  transverse,  striated,  the  second  segment  with  striate 
foveohe  at  base.   • 

Habitat. — Jaeks<mville,  Fla. 

Types  in  Coll.  Ashmead. 

Polygnotus  atrlaticollis,  sp.  nov.  *- 

6  .  Length,  1.4"'"'.  Black, shining;  theheadtiansver.se,  shagreened; 
the  lateral  ocelli  away  from  the  eye  margin;  thorax  with  two  distinct 
furrows;  legs  rufo-piceous,  articulations,  base  of  tibia'  and  tarsi  yellow- 
ish or  pale  brown;  wings  hyaline,  tegnhe  blackish.  The  anteniue  are 
10  jointed,  brown;  the  pedicel  niuch  longer  than  the  first  and  second 
fnniclar  joints,  which  are  small,  the  second  being  wider  at  apex  than 
long;  club  G-jointed,  pilose,  the  joints  loosely  joined  and  all,  except  the 
last,  transverse-moniliform.  Pronotnm  at  sides  listintly  striated,  the 
mesoplenra  polished  with  a  femoral  impression,  uhe  scntellum  highly 
convex,  the  metathorax  sparsely  pubescent,  the  pleura  boumled  by  a 
carina  above.  Abdomen  ovate,  as  long  as  the  taorax,  the  petiole  and 
the  second  segment  at  base  striated. 

Habitat. — Jacksonville,  Fla, 

Tyi)e  iu  Qoll,  Asluuead, 


320  BULLETIN    15,  UNITED    STATES    NATIONAL    MUSEUM. 

Polygnotus  laevicoUis,  n\>.  iiov. 

S.     lieii^tli,  r ,     Black,  slijiiiiiji;  tlu' head  tiaiisverse  with  the  liit- 

eral  ocelli  twice  their  width  tVoni  the  eyv  iiiaryiii;  antcniiic  brown,  tlic 
scai)e  toward  apex  ami  the  itcdiccl  at  tip  yellowish;  h'<;s  rufous;  wiiij;>s 
liyaliiH';  luesonotal  furrows  distinct.  Tiic  antennic  are  lO-joiiitcd,  the 
scape  clavate,  as  lonji'  as  the  thijicliuni;  pt'dicel  ohconic,  as  lonj;'  as  the 
first  and  second  joints  united,  tJie  latter  closely  joined,  swollen  or 
dilated;  club  6-joiiited,  all  the  joints,  excei)t  the  last,  transverse,  the 
last  conit'al,  a  little  more  than  twice  tiu^  lenjith  of  the  i)enultimate. 
Pronot'ini  i)erfectly  smooth,  hijjhly  i)olished,  the  nieta]ileura  with  a 
tine  silvery  pubescence.  Abdomen  oblong  oval,  polished,  the  petiole 
short,  striated. 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Aslnnead. 

Taken  by  Mr.  E.  A.  Schwarz. 

Polygnotus  astericola,  s]>.  nov. 

i  9  .  Length,  0.80  t(>  1"  ".  Black,  polished;  heati  thrice  as  wide  as 
thick  antero-jmsteriorly,  the  vertex  not  or  very  faintly  aciculated,  the 
face  snio«>th,  iM)lished.  3Iandil>les  rnfo-piceous,  Antennaj  10-jointed, 
tlark  brown;  pedicel  twice  as  long  as  thick,  tirst  funiclar  joint  minut(?, 
pale,  a  little  longer  than  thick;  second  larger,  very  little  hmger  than 
the  third;  club  5-jointed,  latlier  slender,  the  joints  about  as  wide  as 
long.  In  the  S  the  second  funicle  joint  is  as  long  as  the  pedicel,  a  little 
curved,  dilated  and  truncate  at  ti]»,  the  club  (J-jointed,  the  joints  oval- 
moniliform,  slightly  pedicellate,  the  last  cone-shaped,  a  little  stouter 
aud  twice  as  long  as  the  [>receding.  Thorax  ovoid,  \>olished,  the 
mesonotal  furrows  indicated  i)osteriorly,  the  basal  tip  »>f  the  mid<lle 
lobe  very  slightly  elevated,  the  i>arapsides  with  a  tuft  of  pubescence 
at  base.  Metapleura  sericeous.  Teguhe  black.  Wings  hyaline,  pu- 
bescent. Legs,  including  coxa-,  rufopiceous,  the  trochanters,  knees, 
tips  of  tibije,  (the  anterior  tibia*  almost  entirely)  and  all  tarsi,  honey- 
yellow.  Abdomen  not  h)ng»'r  than  the  head  and  thorax  together,  ob- 
long oval,  broader  than,  and  not  so  pointed  as  in  7*.  n'rnonin;  the  basal 
segment  and  the  foveohe  on  the  second  striated;  the  S  abdomen  shorter 
and  without  row  of  i>unetures  on  the  ventral  segments. 

Habitat. — Ilolderness,  N.  II. 

Types  in  National  Museum. 

Described  from  several  spe«imens,  reared  ^lay  24,  1S84,  from  a  Ceci- 
domyiid  gall  on  Aster,  collected  by  A.  Koebele. 

Polygnotus  coloradensis,  sp.  uuv. 

S  9.  Length,  1""".  Black,  polished ;  head  thrice  as  wide  as  thick 
antero-posteriorly,  the  vertex  very  faintly,  microscopically  shagreeued, 
the  face  smooth,  highly  polished,  the  lateral  ocelli  as  far  from  the  mar- 
giu  of  tUe  eye  as  to  the  Iroiit  ocellus.    Mandibles  piceous-black.    Au 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     321 

tennae  lO-jointed,  black,  the  pedicel  stouter  than  any  of  the  club  joints 
and  about  2^  times  as  long  as  thick;  first  and  second  funiclar  joints 
small,  the  second  slightly  the  longer;  the  third  and  first  joints  of  club 
about  equal,  longer  than  the  second,  the  club  very  gradually  thickened 
toward  the  tip,  the  joints,  except  the  last,  1^  times  as  long  as  thick, 
the  last  joint  stouter  and  longer  than  the  penultimate,  ovate.  In  the 
S  the  pedicel  is  as  long  as  the  first  and  second  funiclar  joints  together, 
pale  at  tip,  the  first  funiclar  joint  very  minute,  the  club  6-jointed,  cylin- 
drical, the  joints  nearly  of  an  equal  length,  about  twice  as  long  as 
thick,  the  last  conic,  one-half  longer  than  the  preceding.  Thdrax  ovoid, 
polished,  the  mesouotal  furrows  complete,  distinct;  the  middle  lobe 
posteriorly  extending  slightly  upon  the  base  of  the  scutellum;  no 
tufts  at  the  base  of  the  lateral  lobes.  Scutellum  transversely,  convex, 
shining,  very  slightly  pubescent.  Metapleura  covered  with  a  whitish 
pubescenc  e.  Legs  black  or  brown-black,  the  tarsi  paler;  sometimes  the 
tip  of  anterior  tibiae,  knees,  and  all  tarsi,  honey- yellow.  Abdomen  as  long 
as  the  head  and  thorax  together,  in  the  9  pointed  at  tip,  in  the  S 
rounded,  the  petiole  and  the  rather  deep  foveolaj  at  base  of  the  second 
segment  striated. 

Habitat. — Fort  Garland,  Colo. 

Types  in  National  Museum. 

Described  from  several  specimens  reared  June  25, 1883,  from  a  Ceci- 
domyiid  gall  on  sage  bush,  collected  by  L.  Bruner. 

PolygnotuB  fillcornis,  sp.  uov. 

_  S  9.  Length,  1  to  1.5" "'.  Poli8hed,black,impunctured;  head  trans- 
verse, about  3  times  as  wide  as  long  antero-posteriorly,  the  occiput  faintly 
alutaceously  sculptured,  the  lateral  ocelli  a  little  more  than  their  width 
from  the  margin  of  the  eye.  Antennae  10-jointed,  very  long  and  slender, 
subclavate,  reaching  beyond  themiddle  of  the  abdomen ;  pedicel  slender, 
nearly  as  long  as  the  first  and  second  funiclar  joints  together;  funiclar 
joints  slender,  and  merging  so  gradually  into  the  club  joints  that  the 
club  can  scarcely  be  separated,  the  last  four  joints  about  2J  times  as 
long  as  thick.  Thorax  polished,  with  two  distinct  furrows,  mesopleura 
deeply  impressed  at  the  middle;  scutellum  highly  convex;  metathorax 
sparsely  pubescent.  Wings  hyaline.  Legs  black,  tips  of  anterior  tibiae 
and  the  tarsi  palebrownish  or  fuscous.  Abdomen  pointed-ovate,  smooth, 
shining,  striated  at  base,  about  as  long  or  a  little  longer  than  the  head 
and  thorax  together. 
Habitat. — District  of  Columbia. 
Types  in  Coll.  Ashmead. 

PolygnotuB  califomicuB,  sp.  nov. 

'  S  9  .    Length,  1.2  to  1.5""".    Very  close  to  P.  coloradensis,  but  with 
the  following  diflferences :  The  vertex  posteriorly  shows  faint  traces  of 
a<;iculations ;  in  $  the  first  three  fmuclar  joints  are  very  nearly  of  an  equal 
21899— No.  45 21 


322    BULLETIN  45,  UNITED  STATES  NATIONAL  MUSEUM. 

length,  the  third,  slightly  the  thickest;  iu  the  $  the  second  funiclar  joint 
is  stout  and  slightly  curved,  the  club  joints  being  not  more  than  1 J  times 
as  long  as  thick;  the  three  middle  joints  outwardly  subserrate,  the  last 
couically  pointed,  much  longer  than  the  preceding;  the  legs  are  black, 
the  tip  of  anterior  tibije  and  tarsi  fuscous,  while  the  wings  are  slightly 
smoky. 

IIabitat. — San  Francisco  and.  Alameda,  Cal. 

Types  in  National  Museum. 

Described  from  many  specimens,  reared  by  A.  Koebele,  January  10 
and  23, 1883,  and  July  10  and  December  17  and  19, 1885,  from  a  Cecido- 
myiid  gall  found  on  Baccharis pilularis. 

PLATYGASTBR  Latreille. 
Gen.  Cms.  et  Ins.,  iv,  p.  31  (1809) ;  Furster  Hym.  Stu«l.,  n,  p.  108  (1856). 

(Type  P.  riificormH  Latr.)    " 

Head  transverse,  rarely  subquadrate,  the  vertex  somewhat  narrowed, 
convex,  the  lateral  ocelli  usually  far  away  from  the  eye  margin  but 
still  nearer  to  it  than  to  the  front  ocellus. 

Antenna^  10-jointed,  the  scape  subclavate,  the  liagellum  ending  in  a 
6-jointed,  filiform  club,  the  second  joint  in  the  male  a  little  swollen  and 
curved. 

Thorax  ovat«,  usually  more  elongated  than  in  Polygnotus,  the  collar 
usually  distinct,  the  mesonotal  furrows  distinct,  the  scutellum  convex, 
unarmed,  the  metathorax  short,  carinated. 

Wings  veinless,  pubescent. 

Abdomen  oblong  oval  or  ovate,  the  petiole  usually  distinct,  at  least 
as  long  as  wide,  or  a  little  longer,  striated,  the  second  segment  very 
long,  striate  at  base. 

Legs  long,  clavate;  the  tibiae  slender,  the  tarsi  very  long,  tlie  hind 
tarsi  being  much  longer  than  their  tibiae. 

The  genera  Platygaster  and  Isocyhns  are  exceedingly  closely  allied, 
but  the  head  in  laocyhuH  is  more  (juadrate  and  the  lateral  ocelli  are 
nearer  to  the  front  ocellus  than  to  the  margin  of  the  eye. 

I  am  not  fully  satisfied  that  they  should  be  kjpt  separate,  although, 
so  far,  the  position  of  the  lateral  ocelli  seems  sufficient  to  separate  them. 

The  head  in  Platygaster  Herrickii  Packard  and  the  position  of  the 
ocelli  is,  however,  very  similar  to  Isocybus. 

TABLK  OF  SPECIES. 

FEMALES. 

Coxas  l>lack. 

Legs  yellow  or  golden  yellow,  antennie  yellow,  the  club  fuscons. 

Vertex  rugose,  Avitli  raised  lines  in  the  middle;  face  closely  puuctulate,  with 

some  transverse  lines  on  lower  part. 

Pedicel  very  long;  first  funiclar  joint  a  little  longer  than  wide,  the  second  very 

long,  twice  as  long  as  the  first ;  dub  6-jointod,  the  joints,  except  the 

last,  transverse ,,,,,.,, P.  GARY  JS  Ashm. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.      323 

Legs  piceous  or  rufo-piceous,  anterior  tibite  and  base  of  middle  and  posterior  tibisa 
,:  pale  or  honey-yellow. 

Head  including  face,  finely,  closely  punctate. 
Pedicel  about  as  long  as  the  first  two  funiclar  joints  together,  the  first  funiclar 
joint  subtriaugular,  small,  the  second  much  thicker  and  about  as 

long  as  the  longest  club  joint P.  herkickii  Pack. 

Head  finely,  closely  punctate,  the  face  with  a  large  polished  space  in  the  middle, 

transversely  striated  on  lower  part. 

Pedicel  not  as  long  as  the  first  two  funiclar  joints  together,  the  first  funiclar 

joint  a  little  longer  than  thick,  narrowed,  the  second  thicker  and 

slightly  shorter  than  any  of  the  following.  .P.  obscuripennis  Ashm. 

MALES. 

Coxa)  black. 
Legs  yellow. 
Head  finely  rugoso-punctate. 
Face  minutely  punctate,  with  no  grooved  line;  antennte  brownish-yellow, 
the  second  funiclar  joint  as  long  as  the  long  pedicel;  club  joints  not 

hmger  than  thick P.  cary.e  Ashm. 

Face  highly  polished,  with  a  central  grooved  line ;  antennae  brownish-yellow, 
the  pedicel  as  long  as  the  first  and  second  funiclar  joints  together, 
the  first  very  small,  second  a  littie  thickened  and  curved ;  club  joints 
oval-moniliforui,  the  last  fusiform,  nearly  twice  as  long  as  the  pre- 
ceding  P.  FLORIDEX8I8  Ashm. 

Legs  piceous  or  rufo-piceous;  antenna?  black  or  brown-black. 
Head  closely  punctured  or  shagreeued. 
Face  punctate,  no  transverse  striae  above  antennie;  club  joints  twice  as  long 

as  thick,  subpedicellate P.  herrickii  Pack. 

Face  highly  polished,  with  transverse  striie  above  antennae. 

Second  funiclar  joint  not  swollen;  club  joints  broader  than  long;  wings 

dusky P.  OBSCURIPENNIS  Ashm. 

Second  funiclar  swollen ;  wings  hyaline. 

Club  joints  about  twice  as  long  as  thick P.  apiiidis,  sp.  nov. 

Club  joints  thrice  as  long  as  thick P.  gracilis  Ashm. 

Face  transversely  aciculated. 
MesoQotum  and  all  pleura  longitudinally  striated.. P.  aciculatcs,  sp.  nov. 

Platygaster  caryae,  sp.  nov. 

i  9 .  Length,  1.50  to  2""".  Black,  stainiug;  vertex  finely  rugose, 
the  face  finely,  closely  punctate,  with  some  transverse  aciculations  just 
above  the  insertion  of  the  antenna\  Mandibles  i)ale  brown.  AntennsB 
10-jointed,  yellow ;  pedicel  long,  as  long  as  the  second  funiclar  joint, 
first  elongated,  a  little  shorter  than  the  second;  club  6-jointed,  fuscous, 
the  joints,  except  the  last,  wider  than  long,  truncate  at  tip,  rounded 
at  base.  Thorax  finely  punctulate,  with  two  distinct  furrows,  the  mid- 
dle lobe  posteriorly  with  a  slight  central  line.  Scutellum  transverse, 
convex.  Metapleura  and  hind  coxse  beneath  sericeous.  Tegulse  pice- 
ous. Wings  hyaline.  Legs  bright  yellow  or  brownish-yellow,  the 
coxje  black,  the  posterior  femora  and  sometimes  the  tibiae  dusky.  Ab- 
domen oblong-oval,  not  longer  than  the  thorax,  the  first  segment  and 
the  second,  ut  base^  striated,  sparsely  pubescent. 


324  BULLETIN    45,  UNITED    STATES    NATIONAL   MUSEUM. 

In  the  S  the  anteiniii'  are  always  pale,  the  club  very  slightly  darker; 
the  second  funiclar  joint  elongated,  somevrlat  thickened  and  truncate 
at  tip,  the  first  only  a  little  longer  than  thick;  the  club-joints  close,  not 
loosely  joined,  a  litvle  longer  than  thick. 

Habitat. — Jacksonville,  Fla.;  District  of  Colund)ia,  and  St.  Louis, 
Mo. 

Types  in  Coll.  Ashincad  and  Njitional  Museum. 

The  species  is  a  common  parasite  «)f  Cecidomyiid  galls  on  hickory 
trees. 

Platygaster  floridensis  Asbiu. 

(PI.  xin,  Fi-  .3,  9  .) 

Cau.  Eut.,  XIX,  i>.  132,  $  . ;  Cr.  Syn.  Hyni.,  p.  250. 

$  ?  .  Length,  1  to  1.5™'".  Polished,  black;  liead  transverse,  as  wide 
as  the  thorax,  the  vertex  j)osteriorly  aciculated,  the  face  smooth,  highly 
polished;  mandibles  yellowish.  Antennai  10-jointed ;  in  $  pale  brown- 
ish-yellow, the  pedicel  as  long  as  the  second  funiclar  joint,  the  first  very 
small,  closely  joined  to  the  second,  the  second  swollen,  slightly  curved, 
truncate  at  tip,  club  C-jointed,  the  joints,  except  the  last,  submoniliform, 
the  last  cone-shaped,  twice  as  long  as  the  preceding.  Thorax  ovoid, 
smooth,  the  parapsidal  furrows  only  slightly  indicated;  scutellum  con- 
vex, slightly  pubescent ;  metapleura  sericeous ;  tegulae  piceous.  Wings 
hyaline,  pubescent.  Legs  pale  brownish-yellow,  the  hind  coxae  piceous 
or  fuscous.  Abdomen  oval,  not  longer  than  the  thorax,  the  petiole 
roughened,  pubescent.  In  the  $  the  abdomen  is  a  little  longer,  more 
pointed ;  the  antennte,  except  the  club,  yellow,  club  dark  brown,  6- 
jointed,  moniliform,  the  last  joint  fusiform;  the  pedicel  is  about  as  long 
as  the  first  funiclar  joint,  but  thicker;  funiclar  joints  cylindrical,  the 
first  more  than  twice  as  long  as  thick,  the  second  very  much  length- 
ened; legs  yellowish,  the  hind  coxie  and  femora  and  tibia?  toward  tips 
fuscous  or  blackish. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Platygaster  Herrickii  Pack.  '^."'   -' 

Third  Rep.  U.  S.  Ent.  Comm.,  p.  220;  Riley,  Proc.  U.  S.  Nat.  Mus.,  viii,  p.  420, 
PI.  XXIII.,  Fig.  6,   (?  ;  Ashiii.,  Cau.  Ent.,  xix,  p.  132;  Cress.  Syn.  Hym.,  p.  250. 

Aneurhynchus  aneitrus  Prov.  Add.  p.  176,  <?  . 

S  ?.  Length  1.50  to  1.80""".  Black,  shining,  finely  punctate,  or 
microscopically  shagreened ;  head  transverse,  punctate,  the  face  more 
finely  punctate;  mandibles  rufous.  Antennai  10-jointed,  black;  pedicel 
as  long  as  the  first  two  funiclar  joints  together;  the  first  ftiniclar  joint 
snbtriangular,  small,  the  second  thicker  and  as  long  as  the  longest 
club  joint;  club  C-jointed,  the  joints,  except  the  last,  very  nearly  equal 
in  length,  the  first  slightly  the  narrowest,  less  than  twice  as  long  as 
thick,  and  truncate  at  tip,  the  last  cone  shaped,  narrower  and  slightly 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     325 

longer  than  the  preceding.  In  S  the  antennae  are  slightly  longer, 
cylindrical,  with  a  short  whitish  pubescence;  the  pedicel  is  longer  than 
the  second  funiclar  joint;  the  first  very  minute,  closely  joined  to  the 
second ;  the  second  swollen,  nearly  as  broad  as  long;  the  club  6-joint/edj 
the  first  joint  the  shortest,  the  last  the  longest,  cone-shaped,  the  inter- 
mediate joints  twice  as  long  as  thick,  subpedicellate.  Thorax  ovate,  a 
little  more  than  twice  as  long  as  broad;  parapsidal  furrows  deei»,  dis- 
tinct; scutellum  rounded, convex;  the  metathorax  short,  emarginate 
behind.  Wings  hyaline,  veinless,  although  sometimes  the  base  of  the 
submarginal  vein  is  quite  distinctly  visible  as  a  yellowish  streak.  Legs 
piceous-black  or  rufo-piceous;  sometimes  the  base  of  the  tibiab  and  the 
base  of  the  tarsi  yellowish ;  tarsi  most  frequently  fuscous. 
Habitat. — Western  and  Northern  States. 

Types  in  National  Museum.  A  common  parasite  of  the  Hessian  fly 
{ Cecidomyia  destructor  Say). 

From  Mr.  W.  H.  Harrington,  I  received  a  S  specimen  of  this  species 
labeled  ^^Aneurhynchus  aneurus  Prov.  Type". 

Platygaster  obscuripennis,  8p.  nov. 

$  9  .  Length  1.40  to  1.80"".  Very  closely  allied  to  P.  HerricTcii, but 
a  little  more  slender,  the  face  with  a  large  polished  space  in  the  middle. 
Mandibles  pale.  Antennae  slender,  the  flagellum  dark  brown;  pedicel 
not  quite  as  long  as  the  first  two  funiclar  joints  together,  but  longer  than 
the  second  joint  alone,  the  tip  yellowish;  the  first  funiclar  joint  small,  but 
longer  than  thick;  second  twice  as  long  as  thick;  club  C-jointed,  the 
first  narrower  than  the  others,  the  joints  beyond  to  the  last  about  equal, 
longer  than  thick,  the  last  conic,  longer  than  the  preceding.  Sides  of 
the  parapsides  smooth  with  a  distinct  grooved  line  parallel  with  the 
pronotal  suture.  Wings  dusky,  or  subhyaline.  Abdomen  not  longer 
than  the  thorax,  the  foveolaB  at  base  of  second  segment  and  the  first 
segment  both  above  and  beneath  covered  with  a  silky  pubescence.  The 
S  difffers  decidedly  firom  P.  Herrickii  in  having  the  first  five  joints  of 
the  club  wider  than  long,  the  last  cone-shaped,  about  twice  as  long  as 
the  preceding,  while  the  second  funiclar  joint  is  but  slightly  swollen  and 
slightly  curved. 

Habitat. — Ottawa,  Canada. 
Types  in  Coll.  Ashmead. 

Described  from  specimens  received  from  Mr.  W.  H.  Harrington. 

Platygaster  aphidis  sp.  nov. 

$.  Length,  1.6'"'".  Black,  shining;  the  head  posteriorly  almost 
smooth,  not  distinctly  punctate;  face  polished.  Antennae  10-jointed, 
black;  pedicel  as  long  as  the  first  and  second  funiclar  joints  together, 
the  first  small,  subtriangular,  closely  united  to  the  second,  the  second 
somewhat  swollen  and  slightly  twisted;  club  6-joint°,d,  the  joints  about 


326  BULLETIN   4r>,  UNITED   STATES   NATIONAL   MUSEUM. 

twice  as  long  as  thick,  siibpedicellate.  Thorax  long-ovoid,  smooth, 
shining,  the  furrows  distinct;  scutellum  smooth,  shining,  convexly 
high;  metapleura  bare;  tegulje  black.  Wings  hyaline,  nearly  bare  or 
but  slightly  pubescent.  Legs  brown-black,  the  tarsi  paler,  all  the 
coxa'  distinctly  black.  Abdomen  oblongoval,  nearly  twice  as  wide  as 
the  thorax,  the  petiole  rugose,  subpubescent. 

Habitat. — Richfleld  Springs,  vN^.  Y. 

Type  in  National  Museum. 

Described  from  1  S  specimen,  reared  February  9,  1887,  from  aa 
Aphis  on  Chenopodium  album.  The  broad  abdomen  and  the  length  of 
the  club  Joints  readily  distinguish  the  species.  The  Aphis  from  which 
this  species  was  bred  was  undoubtedly  infested  with  Cecidomyious 
parasites,  upon  which  the  Platygasterid  is  a  secondary  parasite. 

Platygaster  gracilis  Ashiu. 
Can.  Ent.,  xix,  }>.  132;  Cress.  Syn.  Hym.,  p.  250. 

S.  Length,  1.5""".  Black,  .shining;  the  head  posteriorly  micro- 
scopically punctulate;  face  smooth,  highly  polished,  with  a  slight  cen- 
tral impressed  line  from  the  middle  ocellus.  Antennje  10-jointed,  black ; 
pedicel  long,  yellowish  at  extreme  tip ;  first  funidar  joint  .small,  second 
somewhat  swollen,  slightly  curved  and  shorter  than  the  first  club 
joint;  club  6-jointed,  cylindrical,  the  joints  twice  as  long  as  thick. 
Thorax  long-ovoid,  smooth,  shining,  the  furrows  very  distinct;  meta- 
pleura sericerms;  tegulie  bliick.  Wings  long,  hyaline,  pubescent. 
Legs  rust-brown,  the  anterior  pair  more  yellowish,  the  middle  and  pos- 
terior  femora  and  tibiie  dusky  toward  tips;  all  coxa;  black.  Abdomen 
oblong-oval,  narrowed  toward  base,  as  long  as  the  thorax,  the  petiole 
more  or  less  pubescent. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Platygaster  aciculatus,  sp.  nov. 

$ .  Length,  1.4""".  Black,  shining;  vertex,  occiput,  and  cheeks  finely 
shagreened;  face  transversely  aciculated;  sides  of  prothorax,  mesono- 
tum,  mesopleura  beneath  the  wings  and  the  metapleura  all  distinctly 
longitudinally  aciculated ;  the  parapsides,  scutellum,  and  the  lower  por- 
tion of  mesopleura  smooth,  polished.  Antennie  10-jointed,  rufopiceous ; 
the  flagellum  subclavate ;  pedicel  longer  and  stouter  than  the  first  and 
second  funiclar  joints  together,  the  latter  scarcely  longer  than  thick, 
the  following  joints  to  the  last  transverse,  the  last  short,  conic.  Par- 
apsidal  furrows  deep,  distinct.  Scutellum  elevated,  cushion-shaped. 
Legs  rufopiceous ;  tips  of  anterior  femora  and  their  tibiae  and  the 
articulations  of  the  middle  legs  yellowish.  Wings  clear  hyaline,  en- 
tiiely  devoid  of  pubescence.    Abdomen  oval,  smooth,  polished,  the 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     327 

petiole  not  longer  tlian  thick,  striated  autl  pubescent,  the  second  seg- 
ment with  some  strise  at  base. 

Habitat. — Pennsylvania. 

Type  in  Berlin  Museum. 

Described  from  a  single  specimen  labeled  "Penn.,  Zimmermann." 

ISOCYBUS  Forster. 

Hyra.  Stud.,  n,  p.  108  (1856). 

(Type,  I.  (jrandis  Nees.) 

Head  quadrate  or  subquadrate,  the  vertex  broad,  the  cheeks  full,  the 
occiput  slightly  emarginate,  not  or  very  delicately  margined ;  ocelli  3, 
triangularly  arranged,  the  lateral  being  placed  far  away  from  the 
margin  of  the  eye ;  eyes  ovate. 

AnteuDfe  inserted  at  the  clypeus,  10-jointed,  the  scape  subclavate, 
slightly  bent;  in  the  $  the  flagellum  is  subtiliform,  the  six  terminal 
joints  thicker  than  the  preceding,  submoniliform,  the  first  and  second 
ioints  very  slender;  in  the  $  the  second  fiiniclar  joint  is  usually  slightly 
swollen  and  slightly  curved. 

Thorax  long-oval,  the  prothorax  distinctly  visible  from  above,  the 
mesonotum  with  two  distinct  furrows  (rarely  indistinct  or  subobsolete), 
the  scutellum  convex  or  slightly  elevated  x>osteriorly,  rounded  and 
unarmed  at  apex,  distinctly  separated  from  the  mesonotum  by  a  furrow 
and  with  two  oblique  fovese  in  the  furrow;  meta thorax  as  long  as  wido. 

Front  wings  rather  long,  veinless,  excei)t  sometimes  the  submargiuiil 
vein,  which  is  however  always  pale  and  never  knobbed  at  tip ;  usually  it 
is  only  visible  as  a  hyaline  streak. 

Abdomen  oval,  ovate,  or  oblong-oval,  usually  as  long  as  the  head  and 
thorax  united;  the  first  segment  is  longer  than  wide,  iiigose  or  striated, 
the  second,  very  large,  occupying  two-thirds  of  the  surface,  the  follow- 
ing segments  all  short.  -  . 

Legs  rather  long,  the  femora  strongly  clavate. 

-         .  TABLE   OF   SPECIES.  ^        —        u 

FEMALES. 

Mesonotum  •without  furrows 2 

Mesouotuni  with  distiuct  furrows. 
Coxm  black. 
Legs  and  antennie,  except  club,  pale  brownish  or  honey  yellow. 
Pedicel  as  long  as  the  first  fuuiclar  joint,  the  second  funiclar  joint  shorter 

than  the  first I.  nigricijivus  Ashm. 

Pedicel  shorter  than  first  funiclar  joint. 
Pleural  piece  beneath  the  anterior  wing  smooth,  not  striated. 

I.  PALLIFES  Sayi 

Pleural  piece  beneath  the  anterior  wing  striated I.  canadensis  Prov. 

2.  Legs  and  anteunas,  except  the  club,  bright  yellow. 

Abdomen  nearly  twice  as  long  as  the  hetul  and  thorax  united. 

I.  LONGIVENTRIS  Ashm. 


328  BULLETIN  45,  UNITED    STATES   NATIONAL  MUSEUM. 

MALES. 

Flagellnm  brownish-yellow  or  pale 3 

Flagelluui  brown. 
Pedicel  and  second  funiclar  joint  equal,  the  first  shorter. 
Pleural  piece  beneath  the  anterior  wing  smooth,  net  striated;  terminal  club 

joint  only  i  longer  than  the  penultimate I.  ni«riclavu8  Ashm. 

2.  Pedicel  a  little  shorter  than  the  second  funiclar  joint. 

Pleural  piece  beneath  the  anterior  uing  smooth,  not  striated ;  terminal  club  joint 

twice  as  long  as  the  penultimate ;  first  funiclar  joint  twice  as  long  as 

thick P.  PALLIPES  Say. 

Pleural  piece  beneath  the  anterior  wing  striated ;  terminal  club  joint  not  twice 

as  long  as  the  penultimate;  first  funiclar  joint  as  wide  as  long. 

P.  CANADENSIS  PrOV. 

laooybus  nlgriolavus  Ashm. 
Bull.  No.  1,  Col.  Biol.  Assoc,  p.  10. 

9 .  Length,  3.4  to  4""".  Black,  closely,  finely  punctate,  the  face  ru- 
gulose.  Head  subquadrate,  the  occiput  concave.  AntennsB  10-jointed, 
brownish-yellow,  the  6  terminal  joints,  constituting  the  club,  black;  the 
pedicel  is  more  than  twice  as  long  as  thick,  the  two  following  funiclar 
joints  a  little  shorter,  cylindric,  the  second  obliquely  truncate  at  tip,  a 
little  shorter  than  the  first;  the  joints  of  the  club  a  little  stouter  and  a 
little  longer  than  thick,  the  last  being  the  longest  and  less  than  twice  as 
long  as  thick ;  parapsidal  grooves  distinct,  converging  but  not  quite  meet- 
ing posteriorly.  Scutellum  convex,  sparsely  covered  with  a  fuscous  pu- 
bescence, and  separated  from  the  mesonotum  by  a  transverse  furrow  at 
base.  The  mesopleura  alone  smooth  and  shining,  with  a  large,  deep 
fovea  on  the  disk.  Metapleura  and  metathorax  rather  densely  pubes- 
cent, the  former  divided  by  a  longitudinal  grooved  line  or  impression. 
Legs  brownish-yellow;  all  coxie  black.  Abdomen  a  little  longer  than 
the  head  and  thorax  together,  polished,  the  petiole  roughened,  pubes- 
cent, and  about  one-third  longer  than  wide.  Wings  dusky  hyaline, 
pubescent. 

The  3  differs  in  having  the  second  funiclar  joint  distinctly  longer 
than  the  first,  tlie  club  being  jialer,  with  the  joints  about  twice  as  loag 
as  thick. 

Habitat. — Greeley,  Colo.      ,  '  r 

Types  in  Coll.  Ashmead. 

Described  from  several  specimens. 

Isocybus  pallipes  Say. 
(PI.  XIII,  Fig.  5,  F.) 

iPlatygoBter  pallipes  Say,  Lee.  Ed.  Say.,  Vol.  1,  p.  383;  Ashm.  Can.  Est.,  xix,  p. 
•      132;  Cr.  Syn.  Hym.,  p.  250. 

$  9  .  Length,  'd.b""^.  Black,  very  finely,  closely  punctate ;  legs  honey- 
yellow,  the  coxae  black,  pubescent;  thorax  long,  the  mesonotum  with 
2  distinct  furrows;  mesopleura  polished,  not  striated  posteriorly;  meta- 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRVPID^.     329 

thorax  Avith  .a  tjiooved  central  ridge,  the  pleura  pubescent.  Antennje 
lOjoiutedj  in  the  <J  honey-yellow,  with  a  G  jointed  cylindrical  club,  the 
flagelluni  one  and  two-thirds  the  length  of  the  scape,  the  pedicel  a  little 
more  than  half  the  length  of  the  first  funielar  Joint,  the  second  funiclar 
joint  cyathiforni,  longer  than  the  first;  club  joints  subnionilif<n'ni,  longer 
than  thick ;  in  the  9  black,  the  pedicel  nearly  as  long  aa  tlie  first  funiclar 
joint,  the  first,  one-third  longer  than  the  second,  the  second  cylindric, 
the  riagellar  joints  a  little  longer  than  thick,  the  last  conical,  longer 
than  the  preceding.  Tegube  rufo  piceous.  Wings  hyaline.  Abdomen 
polished,  about  as  long  as  tlie  head  and  thorax  united,  much  depressed, 
wi(''ist  toward  the  apex  and  obtusely  rounded,  narrowed  toward  the 
bast;  petiole  longer  than  thick,  finely  rugose,  with  a  V-shaped  carinated 
space  above;  second  segment  elongate,  with  2  finely  shagreened  foveie 
at  base. 

Habitat. — Indiana,  Canada,  Western  States,  and  Texas. 

Specimens  ia  National  Museum  and  Coll.  Ashmead. 

Isocybus  canadensis  Prov. 

Platygasier  canadensis  Prov.,  AtW.,  p.  181. 

Monocrita  canadenain  Aslmi.,  Can.  Eiit.,  xix,  p.  126;  Cr.  Syn.  Hyni.,  p.  250. 

5.  Length, 3"'".  Black, minutely, closely, rugosely punctate;  antenniB 
and  legs,  except  coxa*,  brownish-yellow.  The  pedicel  and  second  funiclar 
joint  are  about  equal,  two  thirds  the  length  of  the  first  funiclar  joint, 
the  second  funiclar  joint  being  obliquely  truncate  at  tip;  club  0-jointed, 
rather  stout,  the  first  two  joints  not  longer  than  thick,  the  three  fol- 
lowing a  little  longer  than  thi(;k,  the  last  a  little  longer  than  the  penul- 
timate. Thorax  trilobed,  minutely,  rugosely  punctate,  the  middle  lobe 
smoother  anteriorly,  the  lobes  posteriorly  and  the  high  convex  scutellum 
covered  with  a  sparse  fuscous  pubescence.  Mesopleura  deeply  im- 
pressed or  foveated  at  the  middle,  smooth,  shining,  except  the  piece 
beneath  the  anterior  wing,  which  is  distinctly  striated  posteriorly. 
Wings  subfascous.  Abdomen  oblong  oval,  narrowed  at  base,  the 
petiole  fluted,  opaque,  pubescent;  body  of  abdomen  smooth,  polished, 
the  second  segment  at  base  with  two  foveolae,  pubescent  both  above 
and  beneath.  •  w 

In  the  S  the  antennjE  are  usually  wholly  yellow,  the  second  funiclar 
joint  being  longer  and  thicker  than  the  pedicel,  the  first  small,  subtri- 
angular,  not  longer  than  thick,  the  club  joints  about  twice  as  long  as 
thick,  the  last  not  quite  twice  as  long  as  the  penultimate. 

Habitat. — Ottawa,  Canada. 

Types,  S  and  $  ,  in  Coll.  Ashmead. 

Provancher  described  this  species  from  the  male  sex  alone,  a  type 
specimen  of  which  was  kindly  sent  me  by  Mr.  Harrington. 

The  ftiscous  streaks  in  the  wings,  resembling  nervures,  misled  me 
into  describing  it  as  a  species  of  Monocrita  before  I  had  seen  the  type. 


330  BULLETIN  45,  UNITKD    STATES   NATIONAL   MrSEUM. 

iBocybuB  longiventris  AhIiiii. 
Can.  Ent.,  Vol.  xix,  p.  130;  Cross.  Syii.  Hyni.,  p.  249.  ^ 

9  .  Lcnjjth,  1"" ".  Polished  black,  impuiictured ;  head  large,  quadrate, 
convex  before,  the  lateral  ocelli  far  away  from  the  eye  margin;  aiiteiiiiie, 
except  the  club  and  th«'  legs  bright  yellow;  club  brown,  5  jointed. 
Thorax  twice  as  long  as  the  head  is  long  antero  posteriorly,  without 
furrvWs;  scutelluni  convex,  the  nietathorax  pubescient.  Abdomen  long, 
a<*ununate,  almost  twice  as  long  as  the  head  and  tliorax  together.  Wings 
hyaline. 

IIAIHTAT. — Jack.sonville,  Fla. 

Type  in  Coll.  Ashniead. 

Described  from  a  single  specimen.  As  I  have  already  indicated  in 
my  original  description,  this  insect  is  not  a  genuine  hocybus,  and  is  pla<!ed 
here  only  provisionally  or  until  more  specimens  are  taken  and  the  species 
can  be  properly  studied.  In  the  shape  of  the  abdomen  it  recalls 
Polymeeus,  but  the  quadrate  head  and  the  position  of  the  ocelli  will  ex- 
clude it  from  that  genus. 

Subfamily  VII.— HELOIUN^.E.  .  " 

Head  transverse,  the  vertex  broad.  Ocelli  3,  in  a  triangle.  Eyes  large, 
oblong-oval.  Mandibles  depressed,  the  apices  acute,  the  exterior  mar- 
gin rounded,  the  interior  bidentate.  Maxillary  palpi  G-jointed.  Labial 
palpi  3-jointed.  Antennfe  porrect,  15-jointed,  inserted  on  the  middle  of 
the  face.  Pronotum  distinctly  visible  from  above,  the  sides  impressed, 
striated,  and  anteriorly  produced  into  a  slight  neck ;  mesonotum  with 
two  furrows;  scutelluni  small,  semicircular,  subconvex,  transversely 
impressed  across  the  base;  metathorax  short,  obtusely  rounded  poste- 
riorly. Front  wings  rather  broad  at  tips,  with  a  large,  oblon g,  stigmated 
marginal  vein,  two  basal  cells,  a  triangular  closed  marginal  cell  and 
closed  discoidal  cells;  the  basal  vein  does  not  attain  the  submarginal, 
but  is  abruptly  bent  backward,  forming  with  the  median  vein  a  triangu- 
Ifir  cell,  and  with  the  submedian  vein  a  subquadrate  discoidal  cell ;  hind 
wings  also  broad,  with  a  distinct  submarginal  vein  that  curves  obliquely 
backward  to  the  hind  margiu  before  attaining  oue-tliird  the  length  ot 
the  wing. 

Abdomen  petiolated,  obconic;  the  petiole  very  long,  swollen  toward 
base ;  the  second  segment  very  large,  the  following  short.  Legs  moderate, 
the  posterior  tarsi  lengthened  a  little  longer  than  their  tibiae  j  tibial  spurs 
1,  2,  2,  the  claws  pectinate. 

This  subfamily  is  at  once  distinguished  by  the  venation,  the  basal 
nervure  being  abruptly  bent,  intersecting  with  the  base  of  the  recurrent 
nervure  and  forming  a  triangular  cell;  the  large  conical -shajied  petiole, 
and  the  pectinate  claws. 

Only  one  genus  is  Icnown,  Melorus  Latreille,  although  Abbe  Pro- 
vaucher  has  described  in  his  "Additions  k  la  Faune  Hymenopterologiqae 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.t.     331 

(le  la  Province  de  Qm'btH',"  page  154,  a  ffenus,  Hopr^mia,  witli  one 
species,  pedmilata,  which  he  at  first  phiccd  in  the  faniily  liraronidn;  but 
wliirh  subsequently  in  the  same  work,  page  40(5,  lie  removes  to  the 
Hclorlnn.  The  genus  is  unknown  to  me  in  nature,  but  from  his  de- 
scription and  figure  of  the  anterior  wing,  I  believe  it  to  be  a  liraconid, 
and  it  is  in  consequence  not  included  here. 

HELORUS  l.atreillp. 
Hist.  Niit.,  XIII,  p.  li:«)  (1802), 
Syn.  Copeliw  Frov.,  F»iiii«  Eiit.  Can.,  ii,  p.  .'^40  (18S3). 

(Type  n.  anonuilipex  Paiiz.) 

This  genus  is  sufficiently  described  in  the  characters  given  for  dis- 
tinguishing the  group.  It  is  parasitic  in  the  cocoons  of  Chrysopa,  a 
Neuropterus  insect,  and,  so  far,  only  a  single  species  lias  been  detected 
in  our  fauna. 

Belorus  paradoxus  Prov. 

(PI.  XIII,  Fig.  5,  9. 

CopehisparadoxnsVroy.,  Nat.  Can.,  xii,  p.  207,  9- 

Belorus  paradoxus  Prov.,  Faau.  Ent.  Can.,  ii,  p.  540;  Cress.,  Syn.  Hym.,  p.  251. 

9.  Length,  4.5"'"'.  Black  polished,  shining;  the  head  transverse, 
punctate,  the  face  with  a  sparse  whitish  pubescence.  Mandibles  pale 
rufous,  the  tips  black.  Palpi  piceous.  Thorax  smooth,  its  dorsum 
with  a  few  minute  punctures;  the  pronotum  strongly  impressed  and 
striated  at  sides;  mesopleura  mgulose  anteriorly,  smooth  i)osteriorly 
with  fine  punctures  toward  the  base  of  the  middle  coxa?,  sparsely 
pubescent;  metathorax  rugose.  Teguhe  i)ale  rufous.  Wings  hyaline, 
with  piceous  black  nervures.  Leg  pale  rufous,  the  coxae  black,  the 
middle  and  posterior  femora  toward  base  rufo-piceous.  Abdomen 
shining  black,  polished,  the  apical  segments  and  the  venter  with  fine 
punctures,  the  petiole  rugose,  with  some  raised  longitudinal  lines 
above. 

Habitat. — Cap  Kouge,  Canada;  and  Montana. 

Specimens  in  National  Museum,  Coll.  American  Entomological  So- 
ciety, and  Coll.  Ashmead. 

This  species  comes  nearest  to  the  European  E.  anomalipes  Panz., 
but  it  is  slenderer,  the  scutellum  smoother,  the  petiole  rougher,  and  the 
legs  paler  than  in  that  species. 

Subfamily  VIII— PROCTOTRYPIN^. 

Head  transverse  or  quadrate.  Ocelli  3,  in  a  triangle.  Mandibles 
edentate,  acntc  at  apex.  Maxillary  palpi  3- or  4-jointed;  labial  palpi 
very  short,  3-.jointed.  Antennee  porrect,  13-jointed  in  both  sexes,  with 
a  ring-joint.  Pronotum  distinct,  narrowed  before;  mesonotum  elongate, 
seldom  with  furrows;  scutellum  convex,  foveated  at  base;  metathorax 


332  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

usually  loiijjtT  tliiin  wide,  roiiiuled  iMKsteriorly  »  r  subtniiu'iitc  and  pro- 
duced beyond  tlu^  insertion  of  coxa*.  Front  wii  gs  with  :i  triangular  or 
Betnicireular  stiginate«l  nuirginul  vein  situated  ukicIi  beyond  the  middle 
of  the  wing,  a  very  short,  sometimes  ahuost  obsolete,  marginal  cell,  and 
a  closed  costal  cell;  and  often  with  traces  of  discoidal  nervines;  hind 
wings  broad,  veinless.  Alxhnuen  petiolated  or  subpetiolated,  conic- 
ovate,  the  second  segment  very  large;  in  tlie  nuile  terminating  in  two 
prongs;  in  the  fenuUe  prolonged  into  a  hmg,  tubular  case,  inclosing 
the  ovipositor.  Legs  rather  long,  the  femora  clavate,  tibial  spurs  1,  2, 
2,  well  developed,  the  tarsi  long,  5  jointed,  claws  simple. 

This  group,  from  which  the  family  <lerive8  its  name,  was  first  de- 
scribed by  Latreille  in  170G.  It  is  at  once  distinguished  by  the  eden- 
tate mandibles  and  the  shape  of  the  abdomen ;  in  the  female  the  abdo- 
men being  prolonged  into  a  long,  tubular  case,  inclosing  the  ovipositor, 
while  in  the  male  it  terminates  in  two  i)rong8. 

The  Proctotrypincc  attack  apparently  only  Dipterous  and  Coleopterous 
larvJB  living  in  fungi. 

The  only  instiince  of  the  rearing  of  a  species  in  Ameri(!a  is  by  Prof. 
Comstock,  who  reared  Proctotrypen  ohsoletus  Say  from  the  Coleopterou 
Sti'lidota  strigosa.  In  Europe,  the  habits  of  about  a  dozen  species  are 
kuown,  all  bred  from  Coleopterous  and  Dipterous  larva>  living  in  fungi. 

The  genera  are  not  numerous,  and  may  be  recognized  by  the  aid  of 
the  following  synoptical  table: 

TABLE   OF   GENERA. 

FEMALES. 

Abdomen  terminating  in  a  styhis. 

Wingless 2 

Winged;  maxillary  palpi  4-jointed,  long,  the  last  joint  linear. 

Parapsidal  furrows  distinct DisoGMUs  Forster. 

Parapsidal  furrows  wanting Proctotrypks  Latr. 

2.  Maxillary  palpi  3-jointed,  short,  the  last  joint  subclavate. 

Metathorax  smooth CoDRUS  Jurine. 

"'■-■•'''■     -'"'"  MALES.  ''■  .■^' 

Abdomen  terminating  in  two  prongs;  winged. 
Maxillary  palpi  4  jointed,  long,  the  last  joint  linear. 

Parapsidal  furrows  distinct Disogmus  Forster. 

Parapsidal  furrows  wanting Proctotrypes  Latr. 

Maxillary  palpi  3-jointed;  short,  tho  last  joint  subclavate. 

Metathorax  smooth Codrus  Jurine. 

DISOGMUS  Forster. 

Hym.  Stud.,  ii,  p.  99  (1856). 

(Type  D.  areolator  Hal.) 

(Pl.  XIII,  Fig.  6,  $ .) 

Head  transverse  or  subquadrate. 

Antennae  13-jointed,  long,  the  joints  cylindrical,  pubescent,  or  pilose^ 
some  of  the  joints  in  the  male  sometimes  dentate. 


MONOORAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYHI)^.  333 

Miindihh'H  conical. 

Maxillary  palpi  4  J<iintc<l,  lonjr,  the  tlilrdjoint  the  longest,  the  Hecond 
dilat4>d. 

Thorax  lon^,  the  prothorax  rounded  before,  the  niesonotnm  with 
two  deep  furrowH,  the  nietathorax  areolate«l. 

Front  wings  with  an  oblong  stigma,  the  marginal  cell  rather  large. 

Abdomen  much  as  in  ProctotrypeH,  the  cauda  usually  shorter  and 
more  slentler. 

Legs  as  in  Proctotrifpeg,  except  that  the  tibial  spurs  are  smaller. 

Distinguished  from  Proctotrypex  by  the  distinct  mesonotal  furrows, 
the  dilated  second  joint  of  the  maxillary  i)alpi,  and  the  shape  of  the 
stigma. 

The  genus  is  uukuowD,  as  yet,  out  of  the  Euro|)ean  launa. 

PROCTOTRYPES  Latr. 

Pr^c,  p.  108  (1796);  Forster,  Hym.  Stud.,  ii,  p.  99-,— 1  Serphus  Schrank,  Scbrift.  d. 

Berl.  Naturf.  Fr.,  i  (1780). 

(Type  P.  gravidator  Linn.) 

Head  transverse  or  quadrate,  the  occiput  margined;  ocelli  3,  promi- 
nent, in  a  triangle,  rather  close  together;  eyes  ovate  or  long-oval. 

Antennje  inserted  on  the  front  between  the  eyes,  13-jointed  with  a 
ring-joint;  the  scape  is  short,  oval;  the  pedicel  very  minute,  annular, 
more  or  less  hidden  within  the  scape  and  only  visible  as  a  ring-joint, 
hence  the  genus  has  been  described  Jis  having  but  12-joint€d  antenna?; 
the  flagellar  joints  vary  from  long  cylindrical  joints  to  short,  or  monil- 
iform  joints,  and  sometimes  in  the  males  some  of  the  joints  are  dentate. 

Mandibles  acute  at  tips,  edentate. 

Maxillary  palpi  long,  4-jointed,  the  last  joint  linear;  labial  palpi 
3-jointed,  the  last  joint  fusiform. 

Thorax  elongate,  the  prothorax  always  visible,  depressed  above  and 
l)roduced  into  a  neck  anteriorly;  mesouotum  long,  highly  convex, 
without  furrows,  scutellum  convex,  foveolated  at  base;  metathorax 
longer  than  high,  sloping  or  obtusely  rounded  posteriorly  and  produced 
beyond  the  insertion  of  the  coxj« ;  spiracles  oval  or  linear. 

Fiont  wings  with  a  triangular  stigma  at  about  two-thirds  the  length 
of  the  wing  with  a  distinct  but  very  short  marginal  cell,  its  length 
rarely  more  than  half  the  length  of  the  stigma;  costal  cell  closed;  all 
other  cells  and  nervures  entirely,  or  subobsoletely,  obliterated;  if 
present  indicated  only  by  fuscous  streaks. 

Abdomen  petiolated,  ovate,  slightly  compressed,  the  petiole  short, 
the  second  segment  very  large  occupying  most  of  its  surface,  in  "the  9 
terminating  in  a  long  cauda;  in  $  ending  in  two  prongs  or  spines. 

Legs  long,  slender,  the  femora  slightly  swollen;  tibial  spurs  1,  2,  2; 
taS-si  long,  slender;  claws  long,  curved,  simple. 


334  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

Our  species  in  this  genus  axe  numerous,  but  may  be  readily  deter- 
mined by  the  aid  of  the  following  table: 

TABLE  OF  SPECIES. 

Head  quadrate 6 

Head  transverse. 
Head  and  thorax  black*. .:.. 3 

Head  and  thorax  pale  or  rufons,  the  metathorax  sometimes  black,  wings  sub- 
fuscous,  the  venation  distinct. 
Metathorax  coarsely  rugose,  with  longitudinal  raised  lines,  but  withoiit  a 
distinct  central  longitudinal  carina;  cauda  as  long  as  the  abdomen. 

P.  CAUDATU8  Say. 
Metathorax  coarsely  rugose,  not  longitudinally  striated,  but  with  a  distinct 
central  longitudinal  carina ;  cauda  half  the  length  of  abdomen. 

P.  PALLiDus  Say. 

2.  Abdomen  black 3 

Abdomen  rufons  or  honey  yellow,  the  apex  or  petiole  alone  black. 

Metathorax  rugose  without  a  distinct  central  longitudinal  carina. 

Rugosities  longitudinal  g P.  caudatus  Say. 

Rugosities  not  longitudinal  i P.  kufigaster  Prov. 

Metathorax  rugose,  with  a  distinct  longitudinal  carina.  .  • 

All  coxs«  black. 
Petiole  not  as  long  as  thick. 

Four  terminal  abdominal  segments  black  g P.  terminalis,  sp.  noT. 

Three  terminal  abdominal  segments  black  g P.  Linkllii,  sp.  nov. 

All  coxiE  pale. 
Petiole  twice  as  long  as  thick. 

The  sixth  abdominal  segment  dusky P.  melliventris  Ashm. 

Petiole  not  as  long  as  thick. 
Four  or  five  terminal  abdominal  segments  black (P.  terminalis.  ) 

3.  The  discoidal  nervures  more  or  less  distinct  by  fuscous  streaks. 

Coxae  black  or  black  basally. 
Metathorax  coarsely  rugose  with  a  central  carina;  antennae  with  joints  1  to 

5  dentate.  $ P.  californicus  Holmgr. 

Metathorax  coarsely  rugose,  but  without  a  central  carina;  antennje  simple, 

(? P.  OBLIQUUS,  sp.  nov. 

The  discoidal  nervures  entirely  wanting.  ' 

Marginal  cell  always  short 4 

Marginal  cell  large,  as  long  as  the  stigma. 
Lege,  including  coxae,  pale  yellow,  the  inner  posterior  tibial  spur  nearly  as 
long  as  the  basal  joint  of  the  tarsi,  g  9 P.  flavipes  Prov. 

4.  Cauda  short,  not  or  scarcely  one-third  the  length  of  abdomen 5 

Cauda  as  long  as  abdomen.  > 

^    Legs,  including  coxa;,  yellow,  clypeus  and  mandibles  light  rufous. 

P.  CLYPEATUS,  sp.  nov. 

5.  Metanotum  with  3  carinas,  inclosing  2  large  smooth  areas  above ;  apex  and  sides 

rugose. 
Coxae  black  or  dusky  above. 

•  Antenna)  brown,  not  extending  to  apex  of  thorax,  basal  two  or  three  yellow. 

P.  ABRDPTA  Say. 
Coxaet  pale. 
Middle  carina  of  metathorax  ending  at  the  superior  edge  of  the  rounded  pos- 
terior face.  * 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRUPID^.     335 

AnteunjE  houey  yellow,  slightly  dusky  at  apex  and  reaching  the  bas*^  of 

the  abdomen;  secouO  flagellar  joint  about  two-thirds  the  length  of 

the  first,  about  2^  times  as  long  as  thick,  the  four  following  joints 

equal,  as  long  as  the  second;  cauda  short P.  obsoletus  Say. 

Middle  keel  extending  to  the  base  of  the  petiole. 

Second  flagellar  joint  half  the  length  of  the  first,  2^  times  as  long  as  thick, 

the  following  joints,  except  the  last  subequal;  cauda  short. 

P.  Belfragki,  sp.  nov. 
Metanotum  on  each  side  of  the  median  keel  rugose. 

Middle  keel  ending  at  the  superior  edge  of  the  posterior  face. 

Second  flagellar  joint  thrice  as  long  as  thick,  two-thirds  the  length  of  first, 

=,.  following  joints  except  the  last  gradually  shortening    cauda  short. 

^    ,  P.  TEXANUS  sp.  nov. 

•t"       Middle  keel  extending  to  the  base  of  the  petiole. 

Second  flagellar  joint  4  times  as  long  as  thick;  abdomen  ending  in  two 

spines,  ^ P.  cabolinensis,  sj).  nov. 

6.  Head  with  a  frontal  carina  between  the  antennae. 

Metathorax  not  twice  as  long  as  high 7 

Metathorax  twice  as  long  as  high. 
Head  a  little  longer  than  wide. 
Antenna'  and  legs  rufous,  the  coxjp  black  basally. 

Antenna'  longer  than  the  head  and  thorax,  the  first  flagellar  joint  ono- 
third  longer  than  the  second,  the  others  at  leant  thrice  as  long  as 
thick,  9  P.  LoxGiCEi's,  sp.  n^v. 

7.  Antenna;  and  legs,  unless  otherwise  mentioned,  rufous  or  reddish  yellow,  coxie 

more  or  less  dusky  basally. 
Head  a  little  larger  than  wide;  antenuiP  brown. 

First  flagellar  joint  not  longer  than  the  second,  shorter  than  the  scape,  the 
others  about  twice  as  long  as  thick,  the  last  twice  as  long  as  the 

penultimate,  $ P.  canadensis,  sp.  nov. 

Head  not  longer  than  wide. 
Firet  flagellar  joint,  not  or  scarcely  longer  than  the  second,  the  others  three 
times  as  long  as  thick,  9-     (Coxa;  sometimes  wholly  pale.) 

I*.  siMULANs,  sp.  nov. 
First  flagellar  joint  distinctly  longer  than  the  second. 
Flagellar  joints  2  to  6  at  least  thrice  as  long  as  thick,  9  • 

P.  MEDius,  sp.  nov. 
Flagellar  joints  3  to  10  only  a  little  longer  than  thick,  9  • 

P.  QUADIUCEPS,  sp.  nov. 

All  coxa'  black,  the  femora  piceous. 

Antennai  slightly  thickened  towards  apex,  dusky,  the  first  flagellar  joint 
one-third  longer  than  the  second,  joints  2  to  10  scarcely  longer  than 
thick,  9  P.  FEMORATUS,  sp.  nov. 

Proctotrypes  caudatus  Say. 

{PI.  XIII,  Fig.  7,  9.) 

Lee.  Ed.  Say's  Works,  I,  p.  21;  Ashm.,  Ent.  Am.,  iii,  p.  98;  Cress.,  Syn.  Hyin.,  p.  248. 

P.  crennJatue  Patton,  Can.  Ent.,  xi,  p.  64  (1879);  Ashm.  loc.  cit.,  p.  99;  Cr.  loc. 
-'-^         cit.  (supra),  p.  248. 

3  9  .  Length,  7  to  10  """.  Ovii)ositor  as  loug  as  or  a  little  longer  than 
the  alMiomeu.  Reddish  testaceous;  metathorax  black,  upper  part  of 
mesopleura  and  the  sutures  often  black;  I'ead  and  thorax  smooth,  shin- 
ing; collar  a  little  wrinkled  or  grooved  at  sides;  metathorax  elongated, 
rouuded  behind,  longitudinally  rugulose  and  reticulated  with  coarse 


336  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

pniictures;  a  row  of  crenate  punctures  along  the  liind  margin  of  the 
mesopleura.  Antenna^  13-Jointed,  black,  the  basal  joint  reddish,  robust, 
partially  inclosing  the  small  second  joint.  AV'ings  subfuscous,  the  nerv- 
ures  fuscous,  the  marginal  cell  very  short,  about  one-fourth  the  length 
of  the  stigma,  the  internal  venation  distinct  as  fuscous  streaks.  Ab- 
domen not  as  long  as  the  thorax,  the  ])etiole  very  short,  grooved,  black; 
the  second  segment  at  base  with  a  median  furrow,  and  three  grooves 
on  either  side;  terebra  fully  as  long  as  the  abdomen,  a  little  curved, 
longitudially  striated  ahmg  the  sides. 

In  the  $  the  head  and  thorax  are  most  frequently  black,  although 
sometimes  more  or  less  piceous  or  reddish,  the  coxa*  black  or  dusky, 
the  tarsi  most  frequently  fuscous  or  at  least  tinged,  the  abdomen  dusky 
at  apex  and  ending  in  two  short  prcmgs;  otherwise  as  in  the  9  , 

Habitat. — United  States  generally. 

Specimens  in  National  Museum,  lioyal  Berlin  Museum,  Coll.  Ameri- 
can Entomological  Society,  and  Coll.  Ashmead. 

A  common  species,  somewhat  variable  in  size  and  color.  I  have 
seen  Patton's  type  of  P.  cremiJntm  in  Coll.  American  Entomological 
Society,  and  there  is  no  doubt  of  its  being  a  synonym  of  this  species. 

Dr.  Clarence  M.  Weed  has  sent  me  quite  a  large  series  collected  in 
Ohio,  and  I  have  seen  specimens  from  various  paits  ol  the  country. 

Proctotrypea  peillidus  Say. 

Lee.  Ed.  Say's  Works,  I,  p.  382;  idem.,  ii,  p.  725;  Asbni.Eat.  Am.,  iii,  p.  99;  Cress. 

Syn.  Hym.,p.248. 

$  9  .  Length,  6  to  8""".  Eeddish-testaceous,  ch)sely  resembling  P. 
caudaUm,  but  with  the  metathorax  more  finely  rugose,  with  a  median 
carina,  the  sculpture  not  longitudinal,  the  anteniue  Avholly  testaceous  or 
brown,  the  second  abdominal  segment  with  fine  stria'  at  extreme  base. 

In  the  S  only  the  nieso  and  metapleura  are  blackish,  the  coxa'  pale, 
the  tarsi  not  dusky,  apex  of  abdomen  very  slightly  dusky,  often  concolo- 
rous  with  the  rest  of  the  abdomen,  while  the  prongs  are  shorter  than  in 
caudatvH. 

HABITAT. — United  States.  • 

Specimens  in  Coll.  American  Entimudogical  Society,  National  Museum, 
and  Coll.  Ashmead. 

Proctotrypes  rufigaster  Prov. 

Nat.  Can.,  xii,  p.  263;   Faun.  p:nt.  Can.,  p.  561,   <J  9  ;   Aslim.  Ent.  Am., ni,  p.  99; 

Cress.  Syn.  Hym.,  p.  248. 

(J.  Length,  o""".  Head  and  thorax  black;  legs  reddish-yellow,  the 
tarsi  slightly  dusky;  abdomen  reddish-yellow,  the  x>€tiole,  extreme 
apex  of  second  aud  foHowing  segments  black,,  Antenna'  hmg,  cylin- 
drical, black,  the  basal  joint  ruft)us  beneath.  Thorax  smooth;  collar 
at  sides,  mesopleura  beneath  the  teguhe  aud  anteriorly  and  posteriorly, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDJE.      337 

striated ;  metathorax  coarsely  rugose,  without  a  median  carina.    Wings 
subbyaline,  as  in  P.  caudatm.    Petiole  short,  fluted,  rugose  above. 
Habitat. — Ottawa,  Canada.  - 

Types  in  Coll.  Provancher,  Ashmead,  and  Harrington. 

Proctotrypea  terminalis,  sp.  nov. 
$.  Length,  5.5  to  6.5"'™.  Head,  antennae,  and  thorax  entirely  black; 
legs  rufous,  the  coxje  black;  second  abdominal  segment,  except  the 
apex,  red.  Antenn.ne  extending  to  middle  of  abdomen,  slender,  cyliu:- 
drical,  the  flagellar  joints  all  long,  pubescent.  Prothorax  at  sides 
anteriorly,  mesopleura  beneath  the  tegulse  anteriorly  and  at  posterior 
margin  striated  or  wrinkled ;  metathorax  rugose,  with  a  slight  median 
carina.  Wings  as  in  P.  caudatus  Say.  Petiole  very  short,  fluted. 
Hind  tibial  spur  less  than  one-third  the  length  of  the  basal  tarsal  joint, 

Habitat. — Washington,  D.  C,  and  Columbus,  Ohio, 

Types  in  National  Museum  and  Coll.  Ashmead. 

My  specimens  were  presented  to  me  by  Dr.  0.  M.  Weed, 

Proctotrypea  Liiie]lii,  sp.  nov. 
■  S  .  Length,  4""".  Closely  allied  to  P.  terminalis,  agreeing  with  it  in 
color  and  sculpture  xcept  that  only  the  3  terminal  abdominal  joints 
are  black,  the  metatliorax  more  coarsly  rugose,  with  the  median  carina 
quite  distinct  and  extending  from  base  to  apex,  while  the  hind  tarsi 
are  slightly  dusky,  the  tibial  spur  being  one-third  the  length  of  the 
basal  tarsal  joint.  The  wings  s"^  hyaline,  the  margimal  cell  nearly 
obsolete,  not  as  long  as  the  width  of  the  radius,  the  latter  prolonged 
into  the  disk  of  the  wing  with  a  small  fuscous  spot  at  its  origin. 

Habitat. — Long  Island. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  collected  by  Mr.  Martin  Linell. 

Proctotrypea  melliventria  Ashm. 
Ent.  Am.,  iii,  p.  99  <?  ;  Cress.  Syn.  Hym.,  p.  248. 

$  .  Length,  4.1'""' .  Head  and  thorax  black,  polished,  the  metathorax 
rugose,  with  a  longitudinal  median  carina;  legs  and  abdomen  reddish- 
yellow  ;  the  petiole  and  the  apex  of  abdomen  black ;  petiole  ;  i  little  more 
than  twice  as  long  as  thick,  with  longitudinal  furrows;  tip  of  abdomen 
ending  in  two  prongs.  Antennae  13  jointed  (with  a  ring-joint),  black, 
reaching  to  the  base  of  the  second  abdominal  segment,  cylindrical, 
I)ubescent,  very  slightly  thinner  at  apex ;  the  first  and  last  flagellar 
joints  the  longest,  unequal,  the  first  a  little  more  than  4  times  as 
long  as  thick,  the  last  6  times  as  long  as  thick,  the  intermediate  joints 
very  slightly  decreasing  in  length.  Wings  hyaline  with  a  faint  fuscous 
tinge,  the  venation  brown-black,  the  radial  cell  very  short,  less  than 
J  the  length  of  the  stigma,  with  a  small  dusky  streak  below  the  base 
of  the  radius ;  disk  of  wings  with  traces  of  the  cubitus  and  anal  ner- 

21809— No.  45 22 


338  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

vures,  otherwise  veiuless.    Hind  tarsi  as  long  ais  their  tibiaj,  the  tibial 
spur  if  the  length  of  the  basal  tarsal  joint. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Proctotrypea  californicus  Holiug. 
Kongl.  sv.  Freg.  Eug.  Resa  lus.,  jt.  434;  Cr.  Syu.  Ilym.,  p.  248. 

i.  Length,  4  to  4.5'""',  Polished  black;  the  nian<lible8,  antonnse 
beneath  and  legs,  except  coxw,  rufous.  Metathorax  finely  rugose,  with 
a  median  carina.  Joints  1  to  5  of  flagellum  dentate  beneath.  Wings 
subhyaline,  the  discoidal  nervures  distinctly  visible  as  fuscous  streaks, 
marginal  cell  oue-third  the  length  of  the  stigmal.  Abdomen  black, 
polished,  not  longer  than  the  thorax,  the  petiole  very  short,  rugose, 
striated  at  sides  and  beneath,  the  second  segment  with  some  stria?  at 
extreme  base,  terminal  segment  ending  in  two  short  prongs. 

Habitat. — California,  Canada,  and  Virginia. 

Specimens,  agreeing  in  all  particulars  with  Holmgren's  description, 
are  in  my  collection.  The  species  is  easily  recognized  by  the  deutated 
flagellar  joints,  being  the  tmly  species  in  our  fauna  thus  distinguished. 

Proctotrypes  obliquus,  sp.  nov. 

S  .  Length,  4.5  "'.  Polished  black.  Head  very  broad,  more  than 
thrice  as  wide  as  thick  antero-posteriorly.  Eyes  large,  ovate.  Mandi- 
bles piceous,  black.  Palpi  very  long,  i)ale  brownish.  Antennae  13- 
jointed,  very  long,  filiform,  pubescent,  the  flagellar  joints  nearly  of  an 
equal  length,  about  four  times  as  long  as  thick.  Metathorax  gradually 
sloping  off  posteriorly  and  produced  into  a  point  far  beyond  the  inser- 
tion of  the  hind  coxa?,  coarsely  reticulately  rugose;  at  the  base  are  two 
large  fovese  which  are  connected  by  a  sulcus  or  a  grooved  line  with  the 
spiracular  foveae.  Tegulie  brown.  Wings  subhyaline,  the  stigma  and 
radius  brown-black;  the  niarginal  cell  is  a  little  longer  than  half  the 
length  of  the  stigma.  Legs  pale  brownish-yellow,  the  hind  coxa;  black, 
the  others  black  only  at  base;  the  tibial  spurs  are  long,  the  inner  spur 
of  hind  tibiai  being  more  than  half  the  length  of  the  basal  tarsal  joint, 
all  tarsi  longer  than  tibia^.  Abdomen  subcompressed,  black,  shining, 
and  composed  of  but  3  visible  segments,  the  ajiex  when  viewed  from  the 
side  being  obliquely  truncated,  the  usual  two  projecting  spines  wanting. 

Habitat. — Texas. 

Type  in  National  Museum. 

Described  from  a  single  specimen  in  Belfrage  collection.  r 

~     ""' '^'  ""    ■  Proctotrypea  flavipes  Prov.  '  .^.   ,      ^  .,_i: 

Nat.  Can.,  xil,  p.  264;  Fauu.  Ent.  Can.,  ii,  p.  562  $. 
MegaiSpilus  lucens  Prov.,  Faun.  Ent.  Can.,  ii,  p.  808  J . 
Proctotrtipes  Jtaripes  Prov.,  Add.  et  Corr.,  pp.  462  and  471. 

9 .    Length,  3.5  to  4'""".     Polished  black ;  mandibles,  tegulse,  and  legs,       i 

yellow.     Metathorax  finely  rugose,  with  two  large  smooth  areas  at  base 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     339 

above.  Wings  byjiline, the  iieivures  and  stigma  yellowish,  the  discoidal 
uervures  entirely  wautiug;  costal  cell  very  wide;  stigma  semicircular, 
the  marginal  cell  as  long  as  the  stigma.  Inner  spur  of  posterior  tibiie 
fully  two-thirds  the  length  of  the  basal  tarsal  joint.  Abdomen  black, 
l)olished,  as  long  as  the  thorax,  the  ovipositor  long,  nearly  half  the 
length  of  the  abdomen.  Antenme  rather  short,  brownish-yellow,  paler 
beneath  and  toward  base,  filiform,  the  first  and  second  funiclar  joints 
equal,  the  following  shorter. 
Habitat. — Ottawa,  Canada. 

Specimens  are  in  my  collection,  received  from  Mr.  W.  II.  Harrington. 

The  species  is  quite  distinct  from  all  others  in  our  fauna  in  the  size 
of  the  marginal  cell  and  the  long  tibial  spur  of  posterior  legs.  It  seems 
to  agree  quite  closely  with  the  European  P.  calcar  Haliday.    c 

Proctotrypes  clypeatus,  sj).  uov. 

9 .  Length,  3.5""',  to  the  tip  of  ovipositer  4.r>'""'.  Tolished  black ; 
clypeus  and  mandibles  i)ale  rufous;  legs,  including  coxa?,  yellowish; 
ovipositor  longer  than  the  abdomen,  the  basal  two  thirds  reddish  yel- 
low. Antennje  pale  brownish-yellow,  not  longer  than  the  thorax,  the 
first  flagellar  joint  a  little  longer  than  the  second,  joints  2  and  3  about 
equal,  fourth  slightly  shorter,  the  following  to  the  last  about  twice  as 
long  as  thick,  the  last  one-half  longer  than  the  penultimate,  ovate. 
Metathorax  rugose,  with  two  smooth  areas  at  base  above.  Wings  hya- 
line, the  discoidal  nervures  wanting;  stigma  large,  brown-black;  mar- 
ginal cell  less  than  one-half  the  length  of  the  stigma.  Tibial  spurs  of 
posterior  legs  about  one-half  the  length  of  the  basal  tarsal  joint.  Ab- 
domen polished  black,  about  as  long  as  the  thorax,  the  petiole  scarcely 
apparent,  second  segment  at  extreme  base  with  a  long  foveola  on 
either  side. 

Habitat. — Ithaca,  N.  Y. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  F.  H.  Chitten- 
den, who  informs  me  he  reared  it  October  15, 1884,  from  a  large  yel- 
low, rather  woody,  fast-growing  tree  fungus,  from  which  Melandryid, 
Mycetophagid,  Staphylinid  and  Scaphidiid  beetles  were  obtained. 

Proctotrypea  abruptus  Say. 

Bost.  Jonr.,  i,  p.  278  9;  Lee.  Ed.  Say's  Works,  ii,  725;  Asbni.  Eut.  Am.,  in,  p.  98; 

Cress.  Syn.  Hym.   p.  248. 

9  .  Length,  2.5  to  3""".  Polished  black ;  mandibles  black  or  piceous ; 
legs  reddish  yellow,  the  coxje  sometimes  black  or  black  toward  base ; 
ovipositor  about  ^  the  length  of  the  abdomen  or  very  slightly  longer 
than  the  basal  joint  of  hind  tarsi.  Antennae  brown,  not  longer  than 
the  thorax,  slightly  thickened  toward  base,  the  basal  joint  or  some- 
times the  3  or  4  basal  joints,  yellow;  first  flagellar  joint  about  one-half 
longer  than  the  second,  or  the  second  joint  is  two-thii'ds  the  length  of 


340  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

the  first,  the  following  joints  to  the  last  very  gradually  shortea'ng,  the 
penultimate  being  but  slightly  longer  than  thick,  the  last  being  twice 
as  long  as  the  penultimate,  fusiform.  Metathorax  rugose,  with  3 
carinre,  inclosing  two  large  smooth  areas  at  base.  Abdomen  as 
long  as  the  thorax,  black,  shining,  the  ovipositor  about  ^  its  length. 
Wings  hyaline,  without  discoidal  nervures,  the  stigma  large,  the  mar- 
ginal cell  ^  its  length,  not  petiolate  at  base. 
Habitat, — Jacksonville,  Fla.;  Virginia,  and  Indiana. 

Specimens  are  in  the  National  Museum,  Coll.  American  Entomo- 
logical Society,  and  Coll.  Ashmead. 

Proctotrypes  obsoletus  Say. 

Boat.  Jour.,  i,  p.  277,  9  ;  Lee.  Ed.  Say,  ii,  p.  725 ;  Ashm.  Ent.  Am.,  iii,  p.98 ;  Cress.  Syn, 

Hyni.,  p.  248. 

5  .  Length,  4""",  Polished  black ;  antenna)  brownish-yellow ;  mandibles 
yellowish;  legs  reddish-yellow;  wings  hyaline.  Antenna)  13-jointed, 
very  slightly  thickened  towards  tips,  second  flagellar  joint  two  thirds 
the  length  of  the  first,  the  four  following  equal,  about  as  long  as  the 
second,  2^  times  as  long  as  thick,  the  terminal  joint  fusiform,  almost  as 
long  as  the  two  preceding  joints  together,  or  fully  as  long  as  the  first. 
Metathorax  rugose,  the  middle  carina  extending  to  the  posterior  face. 
Abdomen  longer  than  the  head  and  thorax  united,  emarginate  at  base, 
the  petiole  extremely  short,  the  cauda  very  slightly  longer  than  the 
basal  joint  of  hind  tarsi. 

In  the  male  the  antenna)  are  filiform,  pale  brownish,  the  first  flagellar 
joint  as  long  as  the  scape,  the  joints  very  slightly  increasing  in  length 
from  the  second,  broken  off  from  the  sixth. 

Habitat. — District  of  Columbia  and  Indiana. 

Specimens  in  National  Museum  and  Coll.  Ashmead. 

A  single  specimen  of  what  I  believe  to  be  this  species  was  beared  by 
Prof.  Comstock,  December  9,  1879,  from  Stelidota  strigosa. 

Proctotrypes  Belfragei,  sp.  nov. 

9  ,  Length,  5°"".  Polished  black,  with  a  sparse  fuscous  down.  Head 
transverse,  thrice  as  wide  as  thick  antero-posteriorly ;  palpi  pale;  man- 
dibles rufo-piceous,  Autennre  13-jointed,  pale  brown,  darker  towards 
tips,  extending  to  tegula),  cylindrical,  the  scape  oval,  the  pedicel  an- 
nular, the  first  and  the  last  flagellar  joints  equal,  the  joints  after  the 
first  very  gradually  shortening,  the  three  preceding  the  last  not  more 
than  1 J  times  longer  than  thick.  Metathorax  at  sides  coarsely  rugose, 
the  disk  smooth,  shining,  witli  3  carin{e,the  middle  of  which  extends  to 
the  apex,  the  lateral  abbrt  ited.  Tegulfe  and  legs  reddish  yellow, 
the  posterior  coxa)  behind  black;  tibial  spurs  short.  Wings  hyaline, 
the  venation,  except  costal  nervure,  piceous-black ;  the  marginal  cell  is 
very  short,  one-third  the  length  of  the  stigma;  no  traces  of  nervures  in 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     341 

the  discoidiil  region.  Abdomen  black,  polished,  the  petiole  very  short, 
the  base  of  second  segment  with  some  raised  lines;  cauda  short,  im- 
pdnctured,  curved,  very  slightly  longer  than  the  basal  joint  of  the  hind 
tarsi. 

Habitat.— Texas. 

Type  in  Coll.  National  Museum. 

Described  from  a  single  specimen  in  Belfrage  collection. 

Proctotrypes  tezanus,  sp.  nov. 

9.  Length,  3""".  Polished  black;  mandibles,  palpi,  and  legs,  in* 
eluding  coxse,  yellow;  antennae  longer  than  the  thorax,  slender,  fili- 
form, brownish -yellow,  pubescent;  first  funicle  joint  slightly  longer 
than  the  second,  the  following  joints  to  the  last  very  gradually  short- 
ening, the  penultimate  being  about  4  times  as  lontr  as  thick,  the  last 
about  one-half  longer  than  the  i)enultimate.  Metathorax  finely  rugose, 
with  a  median  carina  extending  to  apex.  Inner  spur  of  posterior  tibiae 
about  one-half  the  length  of  the  basal  joint  of  tarsi.  Wings  hyaline, 
the  stigma  brown,  the  marginal  cell  about  one-third  the  length  of  the 
stigma,  petiolated  at  base.  Abdomen  a  little  shorter  than  the  thorax, 
black,  shining,  the  petiole  distinct,  fully  as  long  as  thick,  fluted,  second 
segment  at  extreme  base  striated ;  prongs  very  short. 

Habitat. — Texas. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Proctotrj^es  carolinensia,  sp.  nov. 

S  .  Length,  5 """  Polished  black.  Head  twice  as  wide  as  thick  an- 
tero-posteriorly  with  a  frontal  carina  extending  from  the  front  ocellus 
to  between  the  base  of  the  antennae.  Mandibles  rufous,  the  tips  black. 
Palpi  long,  yellowish.  Antennae  13-jointed,  filiform,  brown-black,  the 
scape  yellow ;  the  flagellar  joints  very  gradually  shortening  to  the  last, 
the  last  equal  with  the  second,  the  first  joint  is  the  longest  and  a  little 
more  than  4  times  as  long  as  thick.  Metathorax  rugose,  rounded  oft' 
posteriorly  with  a  single  central  longitudinal  carina  extending  quite  to 
its  apex.  Tegulae  yellowish.  Wings  hyaline,  the  venation  brown- 
black,  the  marginal  cell  short,  less  than  one-half  the  length  of  the 
stigma.  Legs  yellow;  the  coxae  behind  at  base  dusky;  the  tibit«  and 
tarsi  are  long,  about  of  an  equal  length;  the  posterior  tibial  spurs  not 
quite  half  the  length  of  the  basal  tarsal  joint.  Abdomen  black,  pol- 
ished, not  longer  than  the  thorax,  composed  of  five  segments,  petiole 
distinctly  grooved,  second  segment  at  base  grooved,  terminal  segment 
ending  in  two  prongs. 

Habitat. — North  Carolina. 

Type  in  National  Museum. 


342  BULLETIN   4r.,  UNITED   STATES   NATIONAL   MUSEUM. 

Proototrypes  longiceps,  ap.  nov. 

9.  Length,  7""".  Polished  black;  antennfc  yellowish,  the  apical 
loints  a  little  dusky,  the  first  flagellar  joint  the  longest,  the  following 
to  the  last  slightly  shortening,  the  penultimate  being  scarcely  3  times 
as  long  as  thick,  the  last  one-half  longer  than  ths  preceding;  palpi 
yellowish ;  legs  reddish-yellow,  the  coxje  slightly  dusky  basally.  Meta- 
thorax  twice  as  long  as  high,  finely  rugulose,  smoother  above,  with  a 
median  carina.  Wings  hyaline,  the  discoidal  nervures  visible  as 
fuscous  streaks,  the  stigma  fuscous,  the  marginal  cell  one-third  the 
length  of  the  stigma,  petiolated.  Abdomen  black,  shining,  longer  than 
the  head  and  thorax  together,  distinctly  petiolated,  the  petiole  more 
than  twice  as  long  as  thi'k,  finely  striated;  ovipositor  not  longer  than 
the  basal  joint  of  hind  tarsi.  The  femora  are  swollen,  the  tibia?  sub- 
clavate,  the  inner  spur  of  posterior  tibite  scarcely  one-third  the  length 
of  the  basal  tarsal  joint. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  W.  Hague  Har- 
rington. 

Proctotrypes  canadensis,  sp.  nov. 

9 .  Length,  3""".  Polished  black;  antennae  brown,  the  first  flagellar 
joint  not  longer  than  the  second,  shorter  than  the  scape,  the  following 
joints,  except  the  last,  about  2J  times  as  long  as  thick,  the  last  fully 
twice  as  long  as  the  penultimate;  legs  reddish-yellow,  the  coxje  dusky 
basally.  Metathorax  a  little  longer  than  high,  rugose,  smooth  on  dor- 
sum toward  base,  with  a  median  carina.  Wings  hyaline,  without  dis- 
coidal nervures,  the  stigma  yellowish,  the  marginal  cell  less  than  half 
the  length  of  the  stigma,  petiolated.  Abdomen  black,  shining,  not 
longer  than  the  thorax,  the  petiole  scarcely  as  long  as  thick,  rugose, 
the  second  segment  at  base  with  numerous  stria: ,  ovipositor  very  short, 
two-thirds  the  length  of  the  basal  joint  of  hind  tarsi.  The  femora  are 
not  so  much  swollen,  the  tibiie  long  and  slender,  the  inner  spur  of  hind 
tibae  not  more  than  one-fourth  the  length  of  the  basal  tarsal  joint. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead.  . 

Described  from  a  single  specimen,  received  from  Mr.  W.  Hague  Har- 
rington. Its  smaller  size,  shorter  metathorax  and  ovipositor,  relative 
length  of  the  antenna!  joints  and  the  shorter  tibial  spurs,  easily  sepa- 
rate the  species. 

Proctotrypes  simnlans,  sp.  nov. 

9 .  Length,  4""".  Polished  black,  antennae  rufous,  the  first  flagellar 
joint  scarcely  longer  than  the  second,  but  as  long  as  the  scape,  the  fol- 
lowing joints  after  the  third  about  2J  times  as  long  as  thick,  the  last  less 
than  twice  as  long  as  the  penultimate;  legs,  including  coxsb,  reddish- 


MONOGRAPH  OF  THE  NOUTII  AMERICAN  PROCTOTRYriD^..     343 

yellow.  Motiitliorax  U  times  as  lon^  ns  liipli,  rupjose,  smooth  toward 
base  above,  with  a  median  cariua.  Win{«-8  hyaline,  the  discoidal  ner- 
vures  traceaole  .as  fuscous  streaks,  stigma  brown,  the  marginal  cell  less 
than  half  the  length  of  the  stigma,  petiolated.  Abdomen  black,  polished) 
about  as  long  as  the  thorax,  i)etiolated,  the  petiole  not  longer  than  thick, 
striated,  extreme  base  of  second  segment  striated,  ovipositor  not  longer 
than  the  basal  joint  of  hind  tarsi. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  captured  by  myself.  Since  this 
was  written  I  have  received  another  specimen,  taken  by  Mr.  E.  A. 
Schwarz,  at  Fort  Pendleton,  W.  Va.,  agreeing  in  every  particular  with 
the  above  description,  except  the  coxie  are  C(>ncolorous  with  the  legs. 

Proototrypes  medius,  np.  nov. 

9  .  Length,  5.5""".  Polished,  bla<?k;  antenufe  brownish-yellow,  rather 
stout,  the  tirst  flagellar  joint  the  longest,  a  little  longer  than  the  scape 
and  pedicel  together,  or  one-third  longer  than  the  second,  the  joints 
after  the  fourth  about  3  times  as  long  as  thick,  the  last  longer,  as  long 
as  the  second;  legs,  including  coxje,  reddish-yellow,  the  inner  spur  of 
posterior  tibiae  fully  one-third  the  length  of  the  basal  tarsal  joint. 
Metathorax  less  than  twice  as  long  as  high,  coarsely  rugose,  with  a 
median  carina  and  two  large,  smooth  areas  toward  base.  Wings  hya- 
line, the  discoidal  nervures  very  faintly  traceable,  the  stigma  brown, 
the  marginal  cell  about  one- fourth  the  length  of  the  stigma.  Abdomen 
black,  polished,  longer  than  the  thorax,  pectiolated,  the  petiole  longer 
than  thick,  striated;  ovipositor  as  long  as  the  basal  joint  of  hind  tarsi, 
stout. 

Habitat.— Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  W.  Hague  Har- 
rington. Approaches  nearest  to  P.  longiceps,  only  the  head  is  a  little 
wider  than  long,  the  metathorax  shorter,  more  coarsely  rugose,  the 
petiole  sho'  ter,  while  the  tibial  spurs  are  longer. 

Proototrypes  quadriceps,  sp.  nov. 

5.  Length,  4""".  Polished  black;  legs  reddish -yellow,  the  coxae  a 
little  dusky  basally;  inner  spur  of  hind  tibije  a  little  less  than  half  the 
length  of  the  basal  tarsal  joint ;  i>alpi  whitish  or  pale  yellowish ;  meta- 
thorax scarcely  longer  than  high,  rugose,  with  a  median  carina  and  two 
large,  smooth  areas  on  either  side  of  it,  inclosed  at  sides  by  delicate 
lateral  carinae.  Antennae  rubust,  filiform,  reddish -brown,  scarcely 
longer  than  the  head  and  thorax  together,  the  3  basal  joints  yellowish, 
the  first  flagellar  joint  scarcely  as  long  as  the  last  or  very  little  longer 
than  the  second.    Wings  hyaline,  the  discoidal  nervures  subobsolete) 


S44  BULLETIN   45,  UNITED    STATES   NATIONAL   MUKEUM,     . 

stigma  brown,  the  inarginul  cell  petiolated,  ©ne-tliird  the  length  of  the 
Htignia.  Abdomen  poliislu'd,  black,  not  longer  than  the  head  and  thorax 
together,  the  petiole  not  as  long  as  wide,  striated,  second  segment  with 
sulci  at  base;  ovipositor  not  longer  than  the  basal  joint  of  hind  tarsi. 

Habitat. — New  Jersey. 

Tyi)o  in  Coil.  Ashmead. 

Described  from  a  single  specimeh, 

Proctotrypes  femoratus,  sp.  nov. 

5  .  Length,  2.1""".  Polished  black ;  legs  yellowish,  the  coxje  black 
ttr  piceous,  the  femora  swollen,  piceous  or  rufo-piceous;  inner  spur  of 
hind  tibiffi  one-third  the  length  of  the  basal  tarsal  joint;  palpi  yellow- 
ish; metathorax  not  longer  than  high,  closely  punctulate,  the  dorsum 
etnoothand  polished,  with  a  median  carina.  Anteniu-e  brown,  not  longer 
than  the  head  and  thorax  together,  slightly  thickened  toward  the  tips, 
the  scape  piceous,  pedicel  yellow ;  the  first  flagellar  joint  is  two-thiids  the 
length  of  the  last  joint,  or  very  little  loiger  than  the  second,  the  joints 
after  the  second  scarcely  longet  than  thick.  Wings  hyaline,  the  dis- 
coidal  nervures  entirely  wanting,  the  stigma  brown-black,  the  marginal 
ceJl  petiolated  one-third  the  length  of  the  stigma.  Abdomen  polished, 
black,  not  longer  than  the  head  and  thorax  together;  the  petiole  not  as 
long  as  thick,  rugose,  secand  segment  striated  above  at  extreme  base; 
ovipositor  scarcely  longer  than  the  basal  joint  of  hind  tarsi. 

Habitat. — Wyomiug. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  obtained  through  Mr.  H.  F.  Wick- 

CODRUS  Jurine. 

Hym.,  p.  308  (1807);  Thorns.  Ofv.,  1857,  p.  421. 

(Type  C,  apterof/ynu8,  Hal.) 

(PI.  xiii,  Fig.  8,  9') 

Head  sub  quadrate. 

Antenna?  13-jointed,  in  2  very  slightly  thickened  toward  the  tips; 
in  S  setaceous,  pubescent,  the  flagellar  joints  longer. 

Mandibles  acute  at  tips,  edentate. 

Maxillary  palpi  short,  3-jointed,  the  last  joint  subclavate;  labial  palpi 
very  short,  2-jointed. 

Thorax  elongate,  the  prothorax  narrowed  and  rounded  before,  meso- 
notum  highly  convex,  without  furrows,  metathorax  a  little  longer  than 
high,  slightly  depressed  above,  smooth  and  shining. 

Front  wings  with  a  subtriaugular  stigma  and  a  very  minute  marginal 
cell,  without  traces  of  nervures  in  the  discoidal  region ;  the  9  apterous. 

Abdomen  much  as  in  Proctotrypes,  the  dorsum  subdepressed,  and  the 
Cauda  very  short. 

Legs  as  in  Proctotrypes. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  rROCTOTRYPID.K.     34^ 

The  short  '{jointed  iiiaxilhiry  palpi  aiwl  the  snbdepressed  smooth  met- 
athorax  distinj^iiish  tliis  j^eiius  from  Proctotrypen  and  DitsogmuH.  No 
species  is  known  from  North  America. 

Subfamily  IX.— BELYTINiE. 

Head  transverse  or  subglobose.  Ocelli  3,  in  a  triangle,  rarely  want- 
ing. Eyes  most  fre({uently  hairy.  Man<libles  usually  short,  acute  at 
tips,  with  a  tooth  within,  rarely  falcate  and  crossing  each  other  at  tips. 
Mjixillary  palpi  4- or  S-.jointed;  labial  palpi  3-jointed.  Antennse  por- 
rect,  inserted  on  a  frontal  prominence,  in  males  14-joiuted,  in  females 
14-  or  15-jointed,  filiform  setaceous,  or  subdavate,  or  more  rarely 
chivate-moniliform,  the  scape  long.  Pronotum  distinctly  visible  from 
above  and  narrowed  into  a  short  neck  at  the  junction  with  the  head; 
mesonotum  usually  as  broad  as  long,  with  deep  furrows,  rarely  entirely 
without  furrows;  scutellum  convex,  deeply  foveated  at  base;  meta- 
thorax  short,  usually  carinated,  rarely  spined,  posteriorly  truncate 
or  emarginate.  Front  wings  with  a  closed  costal  cell,  a  single  basal 
cell,  and  a  radial  or  marginal  cell,  the  latter  either  closed  or  open,  with 
a  branch  of  a  vein  interstitial  with  the  second  abscissa  of  the  radius 
and  extending  backwards  into  the  discoidal  field  of  the  wing;  it  is 
quite  rarefor  the  marginal  cell  to  be  entirely  wanting;  hind  wings  always 
withabasal  cell.  Apterous  forms  rare.  Abdomen  distinctly  petiolated, 
oblong-oval,  ovate,  conic-ovate,  or  pyriform,  and  composed  of  from  3  to  8 
segments,  the  second  segment  always  large.  Legs  rather  long  and 
slender,  the  tibial  spurs  1,  2,  2,  the  tarsi  long,  slender,  5-jointed,  claws 
simple. 

An  extensive  and  but  slightly  studied  group,  closely  related  to  the 
Diapriime  and  formerly  confused  with  then'  A  Belytid  may,  however, 
always  be  distinguished  from  a  Diapriid  h  liaving  a  distinct  basal  cell 
in  the  hind  wings,  and  by  the  3-jointed  labial  palpi;  also,  except  in  a 
few  cases,  by  the  venation  of  the  front  wings,  which  have  a  distinct 
basal  cell  and  usually  a  distinct  marginal  cell. 

The  exotic  genus  Mo7iomachus  Westwood,  at  present  placed  with  the 
^t7«n«d«e,  should  probably  be  placed  in  this  group;  but  as  the  genus 
is  known  to  me  only  from  the  description  I  can  not  tell  positively  with- 
out seeing  specimens  for  study. 

Nothing  is  known  of  the  habits  of  the  species  composing  this  group, 
although  Nees  von  Esenbeck  and  others  believe  they  undergo  their 
transformations  within  the  larvai  of  Diptera  that  inhabit  fungi.  From 
their  close  structural  resemblance  to  the  Proctotrypince  this  supposi- 
tion is  probably  correct. 

Our  entomologists  should  give  more  attention  to  the  rearing  of 
insects  infesting  fungi,  not  only  for  the  purpose  of  throwing  light  upon 
the  obscurity  that  enveils  these  insects,  but  upon  those  of  other  groups, 
and  it  is  hoped  the  near  future  will  bring  forth  some  results  from  those 
so  situated  as  to  make  observations  upon  fungi-feeding  insects. 


340  BULI-KTIN   4r.,  tlNITED   STATKS   NATIONAL   MUSKUM. 

The  following  tublu  iiu'ludcH  iili  the  ^jenera  at  present  known  to  me: 

TAKLE   OP   GKNKBA. 
rp.MALKH. 

Antenna)   14-jointcd....... .......>>. .....7 

Anteunii>  15-Jointe<l. 

Alxlouien  with  7  or  8  <lnrsal  R»'i;nii»nts...... 3 

Ahdoniou  with  '.i  or  4  <lort«:il  Hcgraents. 

Marginal  vein  as  long  as,  or  scarcely  longer  than,  the  marginal  cell 2 

Marginal  vuin  more  than  twice  as  long  an  the  marginal  cell. 

Macrohynnis  FofBter. 
2.  First  fiinlclar  joint  nearly  as  long  as  all  the  rest  together,  the  intermediate  joints 

transverse-monilifotm ...... ».  ..Dipiioka  Fomter. 

First  fnniclar  joint  not  nniiMially  lengthened. 
Abdomen  with  3,  seldom  with  4  dorsal  segments,  the  second  not  greatly  length- 
ened, the  third  long  and  strongly  compressed  laterally ;  marginal  vein 
not  shorter  than  the  marginal  cell;  antennte  filiform,  puhescent,  the 

fnniclar  joints  all  long LEPTORHAprrs  Fiirster. 

Abdomen  with  3  segments,  the  second  very  mnch  lengthened,  almost  reaching 
to  tip  of  abdomen,  the  third  issuing  from  it  like  a  short  stylus; 
marginal  vein  usually  distinctly  shorter  than  the  marginal  cell; 
antenuie  filiform,  pubescent,  the  5  or  6  terminal  joints  oval,  the 

•tthers  long Miota  Forster. 

8.  Abdomen  with  7  dorsal  segments;  autennie  clavate-moniliform,  the  first  fuuiclar 
joint  slightly  longer  than  the  pedicel,  all  others  to  the  last  monlli- 
form,  the  last  enlarged,  oval;  first  abscissa  of  radius  straight,  or  at 

least  not  very  oblique Acrofiesta  Fiiiuter. 

Abdomen  with  8  dorsal  segments. 

Eyes  bare 6 

Eyes  hairy. 

Middle  carina  of  metathorax  not  divided 4 

Middle  carina  of  metathorax  divided,  or  wanting Belyta  Jurine. 

4.  Postscutellum  with  a  strong  thorn  or  spine Oxylabis  Forst. 

Postscutellum  without  a  thorn  or  spine. 

Third  dorsal  segment  of  abdomen  not,  or  very  little,  longer  than  the  fourth... 5 
Third  dorsal  segment  of  abdomen  much  longer  than  the  fourth. 
Mandibles  short,  small;  marginal  vein  as  long  as  marginal  cell;  antenna 
filiform,  pubescent,  the  last   flagellar  joint  more  than  twice  as 

long  as  thick Cinetus  Jurine. 

Mandibles  long,  falcate ;  marginal  vein  shorter  than  the  marginal  cell ;  last 
r  ■        funiclar  joint  not  more  than  twice  as  long  as  thick. 

Xenotoma  Forster. 

5.  Marginal  cell  closed. 

First  abscissa  of  radius  straight  from  the  margin,  shorter  than  the  marginal 
vein :  funiclar  joints  only  slightly  shortened  toward  the  tips  of 
antenna) Zelotypa  Forster. 

First  abscissa  of  radius  oblique,  longer  than  the  marginal  vein;  funiclar 
joints  strongly  shortened  toward  the  tips  of  antennae,  much  wider 

than  long Pantoclis  Forster. 

Marginal  cell  open. 

Stigmal  and  postmarginal  veins  much  shortened,  tbestigmal  given  off  at  almost 
aright  angle Zyoota  Forster. 


MONOfJUAPH  or  THE  NORTH  AMERTOAN  PROfTOTRYPlD^.     347 

Stigmiil  iin<l  poHtiiiai'Kinul  veinrt  miicli  nhort«^no<l,  thostiKiiialKiveti  ofFnt  a  Tory 
<>lilii|ue  iin^le;  aiiteiiiiio  clavato,  inoiiilit'orin,  tlio  tirHt  fiiuiclar  Joint 
obly  a  littlu  louger  tliau  thick  and  much  HiuuUer  than  tho  jiedicel. 

AcLisTA  ForHt«^r. 

Stif^al  vein  very  short,  with  an  nncns,  mari^inal  vein  as  long  as  the  basal 
nervure,  niunilihlcH  couica],  not  rostriforui;  siape  at  tip  produced 
intoa  littlo  Hpinc;  ])alpi4-j<>inted Synacra  Korster. 

6.  Mesonotnm  with  2  fiirrowH;  marginal  cell  long,  open;  antennae  clavate-nionili- 

form,  the  lirst  funiclur  joint  slightly  longer  than  the  peilicel 

PSILOMMA  Font. 
Mesonotnm  without  furrows ISMARUS  Hal. 

7.  Ocelli  wanting;  winglosM Anommath'M  Furster. 

Ocelli  present. 

Marginal  cell  distinct,  closed;  antennsc  tiliform  or  Huhclavate. 

Anectata  Forster. 
Marginal  cull  scarcely  diHcerniblo  or  wanting;  autcunic  Hubclavatc-nioniliform^ 
ptibescent,  the  first  fiiniclar  joint  smaller  than  the  pedicel. 

Pantolyta  Forst. 

MALKH. 

Petiole  of  abdomen  not,  or  scarcely,  longer  than  the  Uiotathorax 9 

Petiole  of  abdomen  almost  twice  as  Umg  a^  the  mctathorax. 

Marginal  vein  twice  as  long  as  tho  marginal  cell Macroiivnnis  Forst. 

Marginal  vein  much  larger  than  the  stigmal  and  about  as  long  as  the  marginal 
cell. 
Second  abdominal  segment  compressed  laterally;  jtetiole  smooth  above. 
Antennai  filiform,  the  scape  as  long  as  the  lirst  funiclar  joint,  the  latter 

strongly  emarginated  at  base Lept<  itiiAPTUs  Fiirst. 

Autennse  filiform,  pubescent,  the  scape  not  as  long  as  the  first  funiclar 

joint,  the  latter  slightly  emarginated  at  base Miota  Forst. 

Becond  abdominal  segment  not  compressed  laterally,  tho  abdomen  becoming 
more  flattened  behind  the  segment;  the  petiole  above  more  or  less 
furrowed;  scape  longer  than  the  first  funiclar  joint. 

CiXBTUs  Jnrine. 

Marginal  vein  as  long  as,  or  a  little  longer  than,  tho  stigmal,  but  much  shortt^r 

than  the  marginal  cell ;  mandibles  falcate Xexotoma  Forst. 

2.  Middle  carina  of  nietathorax  not  divided 3 

Middle  carina  of  metathorax  divided  or  absent. 

Marginal  vein  scarcely  longer  than  the  stigmal,  marginal  cell  long,  postmarginal 
vein  greatly  lengthened;  antenme  filiform,  all  the  joints  long,  cylin- 
dric,  tho  first  funiclar  joint  emarginate  at  base Bklyta  .Jnrine 

3.  Postscntellum  with  a  strong  spine Oxylabis  Forster. 

Postscntellum  without  a  spine. 

Eyes  not  hairy 4 

Eyes  hairy. 
Marginal  cell  closed. 

Scape  with  the  apical  margin  on  one  side  produced  into  a  tooth, 

AcROPiESTA  P'orst. 
Scape  not  produced  on  one  side  into  a  tooth. 
Marginal  vein  not  or  scarcely  longer  than  the  first  abscissa  of  radius,  the 
latter  oblique. 
Last  ventral  segment  very  straight  and  punctured. 

Anterior  tibise  normal Ankctata  Forst. 

Anterior  tibise  bent,  with  a  median  spined  process Zygota  Forst. 

Last  ventral  segment  somewhat  bent,  not  punctured..  Pantoclis  Forst. 


348  BULLETIN    15,  UNITED   STATES   NATIONAL   MUSEUM.       - 

Miii'giiiiil  vi'iu  lit  least  twice  as  long  as  tlm  first  abscissa  of  radius,  the  lat- 
ter straight,  in  a  right  angle  with  the  costa  or  only  slightly  oblique. 

Zelotypa  Forst. 
Marginal  cell  open,  or  wanting. 
Marginal  cell  wanting. 

Basal  vein  distinct;  antennae  filiform,  pnbeacent,  the  first  flagellar  joint 
twice  as  long  as  the  pedicel,  slightly  eniarginate  at  base. 

Pantolyta  Fiirst. 
Marginal  cell  more  or  leas  distinctly  iiresent. 

Marginal  cell  much  lengthened;  marginal  vein  hardly  longer  than  the 

•   ■  first  abscissa  of  radius;   antennte  filiform  pubescent,  all  the  joints 

lengthened,  the  first  flagellar  joint  emargiuate  at  base;   anterior 

tibia*  strongly  bent,  outwardly  produced  towards  one  side  into  a 

tooth  or  spine i.. ...... Zygota  Forst. 

Marginal  cell  not  nmch  lengthened;  first  abscissa  of  radius  very  oblique; 
an*;erior  tibiic  simple;  antenna-,  thick,  filiform,  densely  pubescent, 
the  first  flagellar  joint  not  longer  than  the  second,  emarginate  at  base. 

AcLiSTA  Forst. 
4.  Mesonotum  with  two  furrows;  marginal  cell  long,  open. 

Antenna-,  stout,  filiform,  the  first  flagellar  joint  longer  than  the  second,  the 
second  slightly  emarginate  at  base,  the  joints  after  second  scarcely 

twice  .ip  long  as  thick Psii.OMJfA  Forst. 

Mesonotum  without  furrows. 
Antenna;  filiform,  the  first  flagellar  joint  shorter  than  the  second.  .Ismauus  HaL 

MACROHYNNIS  Forster. 
Hym,  Stud.,  ii,  p.  131  (1856). 

A  geuus  unknown  to  me,  and  tlie  type,  if  still  in  existence,  has  never 
been  described.    Dr.  Forster  in  speaking  of  it  says : 

In  the  genus  Maei-ohi/nnis  we  have  befoKi  us,  on  account  of  its  peculiar  venation, 
a  very  striking  form  which  can  scarcely  be  confounded  with  any  other. 

The  marginal  nervure,  for  instance,  is  fully  twice  as  long  as  the  rather  short 
marginal  cell,  and  both  combined  present  exactly  the  appearance  of  a  plow-share  of 
simple  construction ;  while  the  backward  directed  bi'anch  of  the  radius,  if  continued 
would  cross  the  basal  nervure. 

All  joints  in  the  female  aiiteuuic  are  ehmgate,  cylindrical,  and  so  strongly  length- 
ened as  to  be  readily  confounded  with  those  of  the  male  were  it  not  for  the  excision 
of  the  first  flagellar  joint  and  the  pointed  abdomen,  which  betray  its  sex.  The 
scape  is  short  in  both  sexes;  in  the  female  at  the  most  as  long  as  the  first  joint  of 
the  flagellnm,  while  in  the  male  it  is  usually  somewhat  shorter.  The  lateral  angles 
of  the  metanotum  are  slightly  projecting.  The  abdominal  petiole  is  longer  than  the 
metanotum,  although  not  abnormally  long,  and  slightly  furrowed  above.  The  second 
segment  of  the  abdomen  which  viewed  laterally  appears  to  be  slightly  compressed, 
together  with  the  remaining  segments,  have  a  pear-shaped  appearance  i>articularly 
pronounced  in  the  case  of  the  female,  while  in  I  he  male  the  tip  of  the  abdomen  ia 
curved  downward,  giving  the  apex  rather  a  more  l  iunt  appearance.  The  sutures 
between  the  segments  are  very  fine  and  the  segments  themselves  are  strongly 
shortened,  so  that  they  are  almost  transversely  linear. 

.^ DIPHORA  Forster. 

•^-  Hym.  Stud.,  II,  p.  130  (1856). 

(Type  I>.  Wi'stwoodii  Forster.) 

This  genus  is  likewise  unknown  to  me.  Dr.  Forster,  op.  cit.,  p.  141, 
mentions  as  the  tyiJe,  Diphora  Weatwoodiiy  but  gives  no  descriptiou 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     349 

and  it  has  not  since,  to  my  knowledge,  been  described.    In  his  remarks 
he  has  the  following  to  say  respecting  the  genus: 

If  we  consider,  alone,  the  shape  of  the  sintennio,  we  have  undoubtedly  in  the  genns 
Diphora  the  most  remarkable  form  in  he  Belytoidie.  Not  only  does  the  scape  attaiu 
a  considerable  length,  but  the  first  ilagellar  joint  is  also  as  long  as  the  scape,  while 
the  other  joints,  with  the  exception  of  the  last,  are  very  short,  being  even  broader 
than  long,  on  account  of  which  the  flagelluni  hasanioniliform  appeaiiance;  we  might 
therefore  easily  be  led  to  the  conclusion  that  the  autenniB  had  a  double  ilagcllum. 
The  mesonotal  furrows  are  deep  and  distinct.  The  abdomen  is  composed  of  three 
segments,  the  petiole  is  short  and  stout,  the  second  segment  very  large,  while  the 
third,  which  is  separated  from  the  second  by  a  distinct  suture,  attains  the  length  of 
the  petiole,  and  from  its  apex  projects  a  short  point  or  nipple,  as  if  from  a  tube. 
The  marginal  cell  of  the  wings  is  completely  closed;  the  marginal  vein  very  short, 
even  shorter  than  the  stigmal  branch,  which  forms  a  very  acute  angle.  The  post- 
marginal  vein  extends  but  a  short  distance  beyond  the  apex  of  the  marginal  cell. 
The  marginal  cell  is  strongly  elongated  aud  narrow,  the  radius  of  which  has  a  short 
blurred  and  but  slightly  curved  stump,  which,  in  its  extension,  does  not  cross  the 
basal  nervure, 

LEPTORHAPTUS  Fi.rster. 
Hym.  Stud.,  ii,  p.  131.  (1856.) 

(Type  L,  ahbreviatusVuist.) 

Head  transverse,  the  occiput  slightly  impressed  at  the  middle,  not 
or  indistinctly  margined;  ocelli  3,  prominent,  close  together  in  a  tri- 
angle; eyes  rounded,  hairy. 

Antennae  inserted  on  a  frontal  prominence,  long,  filiform,  cylindrical 
in  both  sexes,  seldom  a  little  thickened  toward  tips ;  in  9  15-jointed,  the 
scape  very  long,  slender,  reaching  far  above  the  ocelli,  as  long  as  the 
first  two  or  tbree  flagellar  joints  t<igether,  the  pedicel  oval,  the  first 
flagellar  joint  the  longest,  the  following  gradually  shortening,  the  last 
being  a  little  longer  than  the  penultimate;  in  ^  14-jointed,  the  first 
flagellar  joint  nearly,  or  quite,  as  long  as  the  scape,  strongly  excised  at 
base. 

Thorax  ovate,  the  mesonotum  with  two  profound  furrows,  the  scutel- 
lum  convex,  broadly  foveated  across  the  base,  the  metathorax  longi- 
tudinally carinated. 

Front  wings  with  the  marginal  vein  reaching  the  costa  at  about  the 
middle  of  the  wing,  a  marginal  vein  as  long  as,  or  a  little  longer  than,  the 
triangular  closed  marginal  cell,  the  latter  with  a  backward  directed 
vein  from  the  stigmal,  and  a  distinct  basal  cell. 

Abdomen  longer  than  the  head  and  thorax  together,  composed 
apparently  of  but  3  segments,  the  petiole  being  unusually  h)ng,  body 
of  5  conic,  ovate,  o{$  pear-shaped. 

Legs  long,  slender,  pilose,  or  pubescent,  the  tibial  spurs  more  strongly 
developed  than  in  Miota. 


350  BULLETIN   45,  UNITED   BTATES   NATIONAL   MUSEUM. 

TABLE  OF  HPEOIES. 

FKMALK8. 

Body  of  abdomen  black,  the  tip  alone  "ufons. 
AntenniB  iw  long  as  the  body,  very  Hieudor,  brownish-yellow,  fuscous  toward  tips, 
the  second  flagellar  joint  about  5  times  as  long  as  thick. 

L.  CONICU8,  sp.  nov. 
Body  of  abdomen  rufous. 
Antonn:e  extt^ud  only  to  the  base  of  the  abdomen,  rufous,  the  7  terminal  joints 
moniliform L.  kufus,  sx).  nov. 

MALES. 

Entirely  rufous L.  kufus,  Ashm. 

Entirely  black L.  conicus,  sp.  nov. 

LeptorhaptuB  conious,  sp.  nov. 
(Plato  XIV,  Fig.  1,  $.) 

S9.  Length,  3  to  4""".  Black, shining;  aiitemia', mandibles, palpi, 
tegulfe  ami  legs  brownish-yellow ;  the  antennai  toward  tips  fuscous;  tip 
of  abdomen  rufous.  Antennre  in  9  15-jointed,  as  long  as  the  body, 
slender,  filiform,  the  scape  very  long,  the  pedicel  rounded,  the  first 
flagellar  joint  half  the  length  of  the  scape,  the  joints  beyond  to  the  last 
very  gradually  subequal,  the  last  a  little  longer  than  the  penultimate, 
thrice  as  long  as  thick.  In  the  S  the  antennae  are  14-jointed,  the  scape 
much  shorter,  the  first  flagellar  joint  is  about  two-thirds  the  length  of 
the  scape  excised  at  base.  Thorax  with  two  furrows,  the  scutellum  with 
a  deep  fovea  at  base,  the  metathorax  carinated  and  rugose  at  the 
sides.  Abdomen  long,  conic-ovate,  the  petiole  thrice  as  long  as  thick, 
fluted.  Wings  hyaline,  the  pubescence  fuscous,  the  venation  pale  brown ; 
the  marginal  vein  is  as  long  as  the  marginal  celi.  In  the  S  the  venation 
is  darker;  the  petiole  is  twice  as  long  as  the  metathorax  or  four  times  as 
long  as  thick,  slightly  narrowed  basally  and  apically,  smooth,  shining, 
with  a  grooved  line  at  sides  and  a  few  punctures  above ;  the  body  of  the 
abdomen  is  pear  shaped,  smooth  and  shining,  with  3  grooved  lines  at 
extreme  base  and  pubescent  at  tip. 

Habitat. — Arlington,  Va.,  and  Cedar  Point,  Md. 

Types  S  9  m  Coll.  Ashmead. 

Described  from  4  9  and  1  $ . 

LeptorhaptuB  rufuB,  sp.  nov. 

$  9 .  Length,  4  to  4.5""".  The  S  is  entirely  rufous;  the  antennae,  man- 
dibles, palpi,  tegulae  and  legs  pale  brownish-yellow,  the  antennje  toward 
tips  fuscous.  First  flagellar  joint  as  long  as  the  scape  and  pedicel  to- 
gether, excised  at  base,  the  following  joints  to  the  last,  long,  cylindrical, 
subequal.  Mandibles  bifid  at  tips  with  a  large  tooth  within.  Thorax 
with  two  furrows,  the  scutellum  with  a  large  fovea  at  base  which  is 
itself  bifoveated  at  bottom,  the  metathorax  with  three  keels.  Body  of 
abdomen  long,  pear-shaped,  the  petiole  very  long,  four  times  as  long  as 
the  metathorax  or  six  or  more  times  longer  than  thick,  smooth  and 


MONOGRAPH  OF   THK  NORTH  AMERICAN  PROCTOTRYPID.E.     351 

polished,  but  with  grooved  lines  along  the  sides;  second  seguiejit  with- 
out grooved  lines  at  base.  Wings  hyaline,  the  marginal  vein  a  little 
longer  than  the  marginal  cell. 

The  9  has  the  head,  thorax,  and  petiole  black,  the  rest  of  the  abdomen 
rufous ;  the  abdomen  is  conic-ovate,  the  tip  curving  upwards;  the  petiole 
twice  as  long  as  the  nietathorax,  fluted,  gibbous  towards  the  base ;  the 
antenna',  palpi,  teguhe,  and  legs  brownish-yellow;  the  lirst  flagellar 
joint  much  the  longest,  twice  as  long  as  the  second. 

Habitat. — Jacksonville,  Fla.,  and  Washington,  J).  (J. 

Types  S  9  in  Coll.  Ashmead. 

The  (J  was  captured  in  Florida,  the  9  near  Washington. 

MIOTA  Fih-ster. 
Hym.  Stud.,  ii,  p.  131  (1856). 

Head  subglobose,  the  occiput  slightly  emarginate,  delicately  mar- 
gined, ocelli  3,  rather  close  together  in  a  triangle;  eyes  oval,  pubescent. 

AnteunjB  inserted  on  a  frontal  prominence,  in  $  long,  filiform  or  sub- 
filiform,  15-jointed,  the  scape  thicker  than  the  flagelluin  and  a  little 
longer  than  the  first  flagellar  joint,  the  second  subequal  with  the  first, 
the  joints  beyond  to  the  last  gradually  becoming  shorter  and  shorter, 
the  penultimate  joint  not  longer  than  thick,  the  last  longer  and  a  little 
stouter;  in  <J  14- jointed,  the  scape  shorter,  not  reaching  beyond  the 
ocelli,  the  first  flagellar  joint  emarginate  at  base,  the  following  long, 
cylindrical. 

Maxillary  palpi  5  jointed,  labial  palpi  3-joiutod. 

Mandibles  acute  at  tips. 

Thorax  ovate,  the  angles  of  the  collar  acute,  the  mesonotum  with  2 
deep  furrows,  the  scutellum  convex,  with  a  deep  fovea  at  base, 
the  metathorax  not  longer  than  high,  truncate  at  apex,  the  truncature 
margined  and  connected  with  a  longitudinal  carina  on  the  dorsum. 

Front  wings  with  venation  as  in  Leptorhaptu,  the  marginal  vein 
being  rarely  longer  than  the  marginal  cell. 

The  type  of  this  genus  was  not  mentioned  or  described  by  Fiirster. 

TABLE   OF   SPECIES. 

AbdotueQ  rufo-  or  brownish-piceous 2 

Apex  of  abdomen  yellow  or  pale  rufous,  otherwise  black. 
Anteuua'  thickeued  toward  tips,  the  three  penultimate  joints  about  twice  as 
long  as  thick,  the  scape  ouly  slightly  longer  than  the  first  flagellar 

joint   9 M.  GLABRA  Ashni. 

AiitenufE  not  thickened  toward  tips,  the  joints  very  gradually  shortening,  the 

scape  longer  than  the  first  dagellar  joint  9 M.  analis,  sp.  uov. 

2,  Abdomen  brownish-piceous. 

8cape  nearly  twice  as  long  as  the  first  flagellar  joint  9  -  -  M.  coloradensis  Ashm. 
Abdomen  rnft^-piccous. 
Scape  shorter  than  the  first  flagellar  Joint,  the  latter  emarginate  at  base  f  . 

M.  AMERICANA  Ashm. 


352  BULLETIN    15,  UNITED    STATES   NATIONAL    MUSEUM. 

Miota  glabra  Ashin. 
(Plate  XIV,  Fig.  2,  9.) 
Bull.  No.  1,  Col.  Biol.  Assoc,  p.  12. 

9.  Length,  2.6 """.  Bhu'k,  shiuiuff,  pubescent.  Mandibles  i)ale.  Aii- 
teinue  15-Jointed,  cylindrical,  a  little  thickened  toward  tips,  brown, 
darker  at  tips;  the  s(;ape  is  only  slightly  longer  than  the  first  liagellar 
Joint;  pedicel  long  oval;  the  joints  after  the  tirst  become  gradually 
shorter,  the  three  preceding  the  last  about  twice  as  long  as  thick, 
the  last  fusiform  and  about  twice  as  long  as  the  penultimate.  Thorax 
with  two  grooves.  Mesopleura  with  a  transverse  groove  below  the 
middle.  Scutellum  smooth,  polished,  with  a  large,  deep  fovea  at  base. 
iVfetathorax  with  3  delicate  keels,  the  posterior  angles  a  little  prom- 
inent. Legs  brownish-yellow,  the  posterior  pair  somewhat  rufous. 
Wings  hyaline,  pubescent,  the  venation  brown;  the  marginal  vein  is 
about  as  long  as  the  closed  triangular  marginal  cell;  the  stigmal  nerv- 
ure  is  straight  and  less  than  half  the  length  of  the  marginal.  Abdo- 
men black,  polished,  the  apex  rufous,  the  petiole  suboi)a(pie,  tinted, 
pubescent  beneath. 

Habitat.— West  Cliff,  Colo. 

Type  ?  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  taken  by  T,  I).  A.  Cockerell. 

Miota  anedis,  sp.  nov. 

9 .  Length,  4" ".  Black,  shining,  sparsely  pilose.  Antenna^  and 
legs  brownish  yellow,  the  antenna^  fascous  beyond  the  middle.  Abdo- 
men piceous-black,  the  apex  yellow.  The  antenniie  are  15-jointed,  long, 
filiform;  the  scape  is  very  long,  reaching  far  beyond  the  ocelli,  and 
longer  than  the  tirst  flagellar  joint;  the  pedicel  small;  first  flagellar 
joint  about  G  times  as  long  as  thick,  the  following  joints  gradually  short- 
ening, the  last  longer  than  the  penultimate.  Mesopleura  with  a  deep 
oblique  groove  at  the  middle.  Scutellum  convex  jiosteriorly,  with  a 
deep  fovea  at  base.  Metathorax  with  3  keels,  the  sides  hairy. 
Wings  hyaline,  the  marginal  vein  as  long  as  the  marginal  cell;  the  first 
branch  of  the  stigmal  nervure  is  a  little  oblique.  The  petiole  of  the 
abdomen  is  not  quite  twice  as  long  as  the  metathorax,  striated;  the 
second  abdominal  segment  has  a  long  sulcus  at  base. 

HABITAT.— Carolina.  .  .. 

Type  in  lioyal  Berlin  Museum. 

Described  from  a  single  specimen,  labeled  "Carolina,  Zimmerman." 

_.__    .   — _^     -^^ —       Miota  coloradensis  Ashiii. 

Pailomma  coloradcnse  Ashiu.,  Bull.  No.  1,  Col.  Biol.  Assoc,  p.  11. 
9 .    Length,  3""".    Polished  black,  pubescent.     Eyes  almost  bare. 
Mandibles  brown.    Antenn;e  filiform,  broken  at  tips,  dark-brown  above, 
yellowish  beneath ;  scape  very  long,  cylindrical,  nearly  twice  as  long 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     353 

as  the  first  tlagt'Uar  joint ;  pedicel  not  much  longer  than  wide,  narrowed 
at  base;  tirst  flagellar  Joint  ab<»ut  half  the  length  of  the  scape,  the  fol- 
lowing joints  shorter.  Thorax  with  2  nearly  paiallel  grooves,  and  be- 
tween them  anteriorly  are  2  abbreviated  gro<n'es.  Mesopleura  smooth, 
polished,  with  a  deep  depression  at  the  middle,  terminating  in  a  large 
fovea  posteriorly.  Scntellum  smooth,  ronuded  off  posteriorly,  and  with 
a  large  quadrate  fovea  across  the  base.  Metathorax  smooth,  tricari- 
nated.  Wings  hyaline;  veins  brown;  the  marginal  vein  about  as  long 
as  the  short,  triangular,  closed  marginal  cell;  the  first  branch  of  the 
ra«lius  is  about  one  third  as  long  as  the  marginal  vein,  straight.  Legs, 
including  the  coxa',  brownish-yellow,  the  posterior  pair  slightly  obfus- 
cated. Abdomen  conic  ovate,  brownish  piceous,  shining;  the  petiole  is 
about  two  and  a  half  times  as  long  as  the  metathorax,  black,  opaque, 
and  tinted. 

Habitat.— West  Cliff,  Colo. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  captured  by  T.  1).  A.  Cockerell. 

Miota  americana  AhIiui. 
Psilomma  flmerjcana  Aslini.,  Can.  Eiit. ,  xix,  p.  197. 

S .  Length,  3™'".  Slender,  polished  black,  pubescent.  Antennae 
and  legs  pale  brownish  yeUow,  or  honey-yellow,  the  former  dusky  at 
tips.  Collar  above  rufous.  Eyes  nearly  bare.  Antennse  14-jointed, 
setaceous,  as  long  as  the  body,  pubescent;  the  first  flagellar  joint  is 
fully  as  long  as  the  scape,  excised  at  basal  half,  the  following  joints  all 
long,  but  subequal  with  the  first.  Metathorax  carinated,  pubescent. 
Wings  subhyaline,  the  venation  pale  brown,  the  marginal  cell  shorter 
than  the  marginal  vein,  the  first  branch  of  the  radius  straight, 
one-third  the  length  of  the  marginal  vein.  Abdomen  rufopiceous,  the 
petiole  very  long,  fully  thrice  as  long  as  the  metathorax  or  nearly  5 
times  as  long  as  thick,  shining  but  with  grooved  lines;  body  of  the 
abdomen  pear-shaped,  very  little  longer  than  the  petiolQ. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

ACROPIESTA  lY.ister. 

Hyin.  Stud.  II.  p.  131  (1856).  -      '    :     ■, 

.    ■  ■  '  '  ■  > -/  ' 

•         (Type  ./.  (o/ZarisForst.) 

Head  transverse,  or  subglobose,  the  vertex  convex,  theocciput  straight, 
margined ;  ocelli  3,  very  small,  arranged  iu  a  triangle ;  eyes  oval,  sparsely 
])ubcscent. 

Anteunie  inserted  on  a  frontal  prominence;  in  ?  15-jointed,  subcla- 

vate,  subraoniliform,  the  scape  slightly  bent,  extending  beyond  the 

ocelli,  i)edicel  rounded,  first  fnniclar  joint  about  twice  as  long  as  thick, 

subcyliudric,  narrowed  at  base,  truncate  at  tip,  the  joints  beyond  all  sub- 

21899— ^'o.  45 23 


354  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

moniliforin,  tho  last  very  largi',  fusifonn,  as  loiiji  as  the  two  pieeediug 
joints  together;  in  S  14  joiiitetl,  filiform,  the  tirst  Hagellar  joint  not,  or 
scarcely,  eniarginate  at  base. 

Maxillary  piilpi,  4-jointe(l;  labial  palpi,  S-Jointed. 

INIandibles  short,  acnte,  with  a  small  tooth  within. 

Thorax  subov()i<l,  the  jnothorax  visibh'  above  as  a  transverse  ridge, 
produeed  anteriorly  into  a  slight  neck,  angles  straight:  mesonotum 
trapezoidal  with  2  deep  furrows;  seutellum  convex  with  a  deep  fovea 
at  base;  nietathorax  carinated,  with  the  i)osterior  angles  acute. 

Front  wings  pubescent  with  a  basal  and  a  closetl  marginal  cell;  the 
marginal  vein  not  as  long  as  the  marginal  cell ;  the  first  branch  of  radius 
straight  or  but  slightly  obli«pie;  hind  wings  with  a  single  cell. 

Abdomen  conic-ovate,  the  petiole  a  little  longer  than  thick,  Huted; 
in  9  7-jointed,  the  second  segment  very  large,  third  to  sixth  very  short, 
the  last  acute,  conical,  longer  than  segments  3  to  <>  united. 

Legs  clavate,  jiubescent;  the  middle  and  hind  tibial  spurs  short  and 
weak ;  the  tarsi  long,  slender,  the  basal  joint  more  than  twice  the  length 
of  the  second. 

Acropiesta  flavicauda,  sp.  nov. 

(PI.  XIV,  Fij;.  3,  9.) 

$.  Length,  3""'.  Black,  shining,  the  last  abdominal  segment  yel- 
low. Antenna'  la-jointed,  extending  to  apex  of  metathorax,  incras- 
sated  toward  tips,  rufous,  the  last  joint  large,  oblong,  dark  fuseous; 
first  Hagellar  joint  twice  as  long  as  the  second,  the  joints  beyond 
moniliforni.  Thorax  with  two  furrows,  the  seutellum  with  a  large 
deep  fovea.  Metathorax  carinated,  the  sides  covered  with  a  fuscous 
pubescence.  Tegula'  yellowish.  Wings  subhyaline,  the  venation 
fuscous,  the  marginal  vein  two-thirds  the  length  of  the  closed  marginal 
cell,  the  first  branch  of  the  radius  slightly  obli<pie.  Legs  rufous. 
Abdomen  conic-ovate,  black,  polished,  the  petiole  not  longer  than  tlie 
metathiu-ax,  fluted;  the  third,  fourth,  fifth,  and  sixth  segments  very 
short,  the  last  longer  than  these  united,  conical  and  yellow. 

Habitat. — Ottawa,  Canada. 

Type  in  CoW.  Ashmead, 

Described  from  a  single  specimen  received  from  Mv.  ^X.  Hague 
Harrington. 

Acropiesta  subaptera,  sp.  iiov. 

$.  Length,  2,2""".  Head  gh>bose,  black;  tluu'ax  and  abdomen 
brownish  pieeous;  scape,  pedicel,  and  legs  brownish  yellow.  The 
whole  bo*ly  is  polished,  impuuctured.  and  pubescent;  the  frontal 
promiuen(;e  large;  antenine  15-jointed,  moniliforni,  the  first  flagellar 
joint  twice  as  long  as  the  second,  cylindric,  joints  2  to  5  round,  from 
here  to  the  last  transverse-raoniliform.  Thorax  with  two  almost  par- 
allel furrows,  very  slightly  converging  toward  each  other  posteriorly; 
seutellum  convex,  with  a  deep   quadrate  fovea  at  base;  mesopleura 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     355 

with  a  smooth  cross  furrow  on  the  «lisk;  metathorax  cariiiated. 
Abdomen  longer  than  the  head  and  thorax  together,  conic-ovate,  the 
hist  segment  conical,  as  long  as  the  third,  fourth,  tifth,  and  sixth  seg- 
ments united,  and  yellowish,  the  ovipositor  issuing  from  its  tip;  petiole 
scarcely  twice  as  long  as  wide,  fluted.  Wings  not  fully  developed, 
extending  only  to  the  base  of  the  second  abdominal  segment,  subfus- 
cous  and  very  pubescent. 

Habitat. — Marquette,  31ich. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen,  taken  at  the  above  xdace  by  Mr. 
E.  A.  Schwarz. 

BELYTA  Junne. 
.  Hym.,  p.  311  (1807) ;  Forstt-r,  Ilyin.  Stud.,  ii.  p.  130, 133  (1856). 
(Type  B.  hicolor  Jur.) 

Head  su  globose,  the  occiput  narrowed,  rounded;  ocelli  small,  in  a 
triangle;  eyes  rounded,  hair5% 

Autenn.T  inserted  on  a  very  i)rominent  frontal  projection ;  in  9  15- 
jointed,  stout,  nioniliform  or  subnioniliform,  the  scape  stout,  reaching 
far  above  the  head,  the  pedicel  rounded,  the  first  flagellar  joint  obconic, 
the  following  joints  to  last  moniliform  or  transverse-moniliform,  usually 
increasiuginsizetowardapex,  the  last  oblong  or  ovate;  iu  $  14-jointed 
long,  filiform,  the  scape  extending  bevond  the  ocelli,  pedicel  rounded, 
the  first  flagellar  joint  about  two-thirds  the  length  of  the  scape,  i)ro- 
foundly  excised  at  base,  the  following  shorter,  cylindrical,  3  or  4  times 
larger  than  thick. 

Maxillary  palpi  a-jointed,  long;  labial  palpi  short,  3-joiuted. 

Thorax  suboxoid,  depressed,  the  prothorax  distinct  from  abo'e, 
rounded  before,  the  angles  obtuse;  mesonotum  with  2  deep  furrows; 
scutellum  not  very  prominent,  subconvex,  with  a  profound  fovea  at 
base,  and  without  lateral  groove v^  lines;  metathorax  with  the  middle 
carina  not  extending  to  the  apex,  interrupted  or  broken,  sometimes 
wanting,  posterior  angles  prominent,  acute. 

Front  wings  pubescent,  with  a  basal  cell,  and  usually,  but  not 
always,  with  an  open  or  imperfectly  formed  marginal  cell;  the  mar- 
ginal vein  short;  the  first  branch  of  radius  short,  oblique,  with  a  hook 
or  slight  branch  at  tip;  hind  wings  with  one  cell. 

Abdomen  ovate  or  oblong  oval,  depressed,  8-jointed,  the  petiole  stout, 
seldom  twice  as  long  as  thick,  fluted,  the  second  segment  very  large, 
with  a  longitudinal  sulcus  at  base;  the  following  segments  all  short, 
the  last  subtriangular. 

Legs  rather  stout,  clavate,  pilose,  the  middle  and  hind  tibiae  sub- 
clavate;  tibial  spurs  1, 2, 2,  the  last  two  short,  but  stout;  tarsi  5jointed, 
the  basal  joint  nearly  3  times  as  long  as  the  second. 


356  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

TABLE   OF   SPECIES. 

FKMALE8. 

Marginal  cell  closed. 
Wings  fuscons  «)r  snbfiiscoiis. 
Coxa-  blaik,  legs  honey -yellow. 

Flagelluni  fuscous H.  monilicornxs  Aslim. 

Coxa'  and  legs  lirownish-yellow. 

Flagelluni  hrowuish-ycUow,  the  three  apical  joints  dusky. 

Metathorax  without  a  niediau  carina B.  fhomai.is  sp.  iiov. 

Coxa>  and  legs  rufous. 

Metathorax  with  a  forked  luetlian  cariua B.  ERYTHUoPrs  sp.  uov. 

Marginal  cell  open. 
Wings  hyaline. 
Metathorax  with  a  forked  median  keel B.  texaxa  sp.  uov. 

Belyta  monilicoruis  Ashui. 
Bnll.  No.  1,  Col.  Biol.  Assoc,  p.  12. 

9  .  Length,  3"'".  llobust.  black,  sliiuiug,  covered  with  a  fine  fuscous 
pubescence.  Eyes  bristly.  Mandibles  piceous.  Antenna'  15-jointed, 
the  flagellar  Joints  after  the  tirst  nioniliforni,  the  first  joint  about  twice 
as  loDg  as  the  pedicel;  the  scape  reddish  brown,  the  rest  of  the  an- 
tenna' dark  fuscous.  >Ies()m)tal  furrows  distinct,  but  not  deeply  im- 
pressed. Scutelhun  w^th  a  large  fovea  at  biise.  Mesopleura  ileeply 
impressed  posteriorly.  Metathorax  truncate  and  squared  off  at  apex. 
Legs  dark  honey  yellow,  the  coxje  black,  the  hind  femora  slightly  dusky 
above  in  the  middle.  Abdomen  about  as  long  as  the  head  and  thorax 
together,  smooth  and  polished :  the  petiole  stout,  a  little  longer  than 
thick,  grooved  and  hairy  above;  the  second  segment,  which  occupies 
the  larger  portion  of  the  body  of  the  abdomen,  has  a  median  longitudi- 
nal furrow  at  base;  apex  surrounded  by  si)arse,  whitish  hairs.  Wings 
subhyaliiie,  pubescent,  the  marginal  cell  closed,  about  twice  as  long  as 
the  marginal  vein,  the  first  branch  of  the  radius  or  stigmal  vein  oblique. 

HABITAT.— West  CliflF,  Col. 

Type  9  in  Coll.  Ashmead. 

Described  from  a  specimen  received  from  T.  D.  A.  Cockerell. 

Belyta  frontalis,  sp.  nov. 
.  (PI.  XIV,  Fig.  4,  5.)  ■  "    >     ■ 

9.  Length,  3'"'".  Polished  black,  the  abdomen  brownish;  frontal 
prominence  very  large,  half  the  length  of  the  head.  Antennie  15- 
joiuted,  incrassated  toward  tips,  moniliforni,  brownish  yellow,  the  two 
or  three  aincal  joints  fu.scous;  scape  very  long,  stout;  first  flagellar 
joint  twice  the  length  of  the  pedicel,  the  following  joints  to  the  last 
moniliform,  the  last  oblong.  Mandibles,  pali)i,  and  legs  pale  brownish 
yellow.  Metathorax  without  a  median  carina,  but  with  delicate  lateral 
cariuai,  the  disk  polished,  the  apex  margined,  the  lateral  angles  acute. 
Wings  subhyaliiie,  the  venation  pale,  the  marginal  vein   one-third 


MONOGRAl'H  OF  THE  NORTH  AMKIJICAN  PKOCTOTRYPID.E.      357 

loiifier  tliiiu  tlio  obliciuo  first  branch  of  the  nulins,  the  niarjjiiial  cell 
closed,  a  little  loii<;er  than  the  marginal  vein.     Petiole  s.tout,  scarcely 
longer  than  the  nietathorax,  tinted. 
^  Habitat, — Delaware. 
Tyi)e  ?  in  Coll.  American  Entomoloj>ical  Society. 
Described  from  a  single  specimen. 

Belyta  erythropus  sp.  nov. 

V  ,  Length,  3.4""".  Black,  shining,  sparsely  i)ilo8e;  antennae  and  legs 
rufous  or  reddish-yellow,  the  tlag«'llnin  infuscated,  the  liind  coxa^ 
black  basally.  Antenna*  1.5-Jointed,  moniliforni,  the  first  flagellar 
joint  one-third  longer  than  the  pedicel,  the  joints  beyond  transverse- 
moniliforni,  very  slightly  increasing  in  size  toward  the  apex,  the  last 
conic.  Seutellura  with  a  transverse  fovea  at  base.  Metathorax  with 
the  middle  carina  forked  at  the  middle;  angles  bluntly  toothed. 
Wings  subfuscons;  tegnhe  rufous;  nervures  pale  brown;  the  marginal 
vein  is  not  longer  than  the  short,  closed  marginal  cell:  the  first  branch 
of  the  radius  or  stignial  vein  oblique.  Abdomen  not  longer  th^u  the 
thorax,  the  sides,  apex  and  beneath,  pilose;  the  petiole  is  stout,  stri- 
ate, and  finely  rugose,  a  little  longer  than  thick:  the  second  segment 
with  some  grooved  lines  at  base. 

Habitat. — Wisconsin.  • 

Type  9  in  Koyal  Berlin  Museum. 

Described  from  a  single  sjiecimen  labeled  simply,  "Wisconsin,  Kum- 
lin." 

Belyta  texana,  sp.  uov. 

9.  Length,  ;?.4"".  Polished  black;  antennje  rufous;  legs  reddish- 
yellow.  Antenuie  15  jointed,  stout,  the  first  flagellar  joint  only  a  little 
longer  than  the  pedicel,  the  joints  beyond  transverse-  nnniiliforni,  the 
last  oval.  Scutelluni  flattened,  with  a  deep  fovea  at  base.  Metathorax 
finely  rugose,  the  middle  keel  forked  before  the  middle,  the  posterior 
angles  produced.  Teguliie  rufous.  Wings  hyaline,  the  marginal  cell 
oi^en,  the  marginal  vein  longer  than  the  stigmal,  the  latter  with  a  hook. 

Abdomen  scarcely  as  long  as  the  head  and  thorax  together;  the 
petiole  short,  stout,  rugose,  scarcely  longer  than  thick,  and  without  any 
raised  lines;  base  of  second  segment  striated. 

Habitat. — Texas.  ■        -,:>■•      -5. 

Type  9  in  Coll.  American  Entomological  Society. 

Described  fiom  a  single  specimen.  ^  ;>        si         ;+■  : 

OXVLABIS  Foi-ster. 
-  Hym.  Stud.,  ii,  p.  130  (1«56). 

Lyteba  Thorns.  Ofv.,  1858,  p.  180. 

(Type  O.  hisulca  Nees.) 
Head  transverse,  a  little  wider  than  the  thorax,  the  occiput  straight, 
not  margined.;   ocelli  3,   prominent,    siibtriangularly  arranged;   eyes 
oval,  hairy. 


358  BULLETIN   45,  UNITED   STATES  NATIONAL    MUSEUM. 

Anteniiiv  inserted  on  a  frontal  pi'oininenct';  in  9  ir)-jointe(l,  siibmo- 
uiliforiu;  the  scape  subrobust,  extending  sli<>htly  beyond  the  ocelli,  cyl- 
iudric;  pedicel  oblonji;  first  Hagellar  joint  longer,  obeonic;  the  joints 
after  the  fourth,  nioniliforni  or  snbnioniliforni,  the  last  ovate;  in  S  14- 
jointed,  long,  filifonn.  the  lirst  Hagellar  joint  about  two-thirds  the  length 
of  the  scape,  the  following  a  little  shorter,  all  covered  with  a  short 
pubescence. 

Maxillary  palpi  long,  r)-jointed,  the  last  joint  tiie  longest;  labial  palpi 
short,  3- jointed. 

Mandibles  short,  curved,  acute  at  tij),  with  a  small  tooth  within. 

Thorax  as  in  Bdytu,  but  with  a  large,  acute  spine  at  base  of  nieta- 
thorax,  the  scutelUini  highly  convex,  with  a  furrow  at  sides,  the  pos- 
terior angles  of  the  metathorax  acute. 

Front  wings  pubescent,  with  a  basal  cell  and  a  closed  marginal  cell, 
rarely  a  little  open  toward  apex.  The  marginal  cell  is  always  distinctly 
longer  than  the  marginal  vein,  the  stigraal  being  more  or  less  oblique; 
hind  wings  witli  one  cell. 

Abdomen  oval  or  oblong-oval,  the  petiole  stout,  fluted,  a  little  longer 
than  thick  (longer  an<l  more  slender  in  the  i  ),  the  second  segment 
very  large,  occupying  most  of  the  surface,  sulcate  at  base,  the  tbllow- 
ing  segments  very  short. 

Legs  as  in  Belyta,  pilose,  the  tibial  spurs  distinct,  basal  joint  of  hind 
tarsi  twice  as  long  as  the  second. 

Oxylabis  spinosus  Prov. 
(I'l.  XIV,  Fig.  5,  9.) 

Anem-rliynchus  spinosus  Prov.,  Faun.  Hyni.,  ii,  j).  560. 
Oxylabis  spinosus  Prov.,  Add.,  p.  405. 

9.  Length,  2.5""".  Robust,  polished  black;  legs  and  antennfe  ru- 
fous. Antenna  15-jointed,  submoniliform ;  the  pedicel  is  about  half  as 
long  as  the  first  flagellar  joint,  which  is  the  longest  joint;  the  three  fol- 
lowing joints  longer  than  thick,  the  remainin;?  joints  moniliform.  Meso- 
]iotuui  with  two  broad,  deep  furrows.  Scutelhmi  with  a  deej)  fovea 
at  base,  i)osteriorly  elevated,  convex.  Postscutellum  with  a  large, 
acute,  rufous  spine.  Metathorax  with  a  central  groove,  posteriorly  mar- 
gined, the  angles  acute.  Teguhe  rufous.  Wings  fu.scous,  the  marginal 
vein  long,  the  marginal  cell  almost  closed.  Abdomen  oblong-oval,  cov- 
ered with  a  grayish  iiubeseeuce;  the  petiole  broad  and  stout,  hardly 
longer  than  thick,  fluted;  the  second  segment  very  large,  with  sparse 

punctures  and  channeled  or  grooved  at  base,  the  following  segments 
very  short. 

Habitat. — Cap  IJouge,  Canada,  and  Arlington,  Va. 

Type  9  in  Coll.  Provancher. 

The  above  description  is  drawn  up  from  a  specimen,  agreeing  in  all 
particulars  with  Provancher's  description,  and  collected  by  myself  in 
Virginia. 


MONOGKAl'H  OF  THE  NORTH  AMKKKAN  I'KOCTOTKYPID.E.     359 

CINETUS  .Iiiriuc.  ' 

Ilvni.,  ]..  MO  (1S07):  Fnrstii.  Il.vni.  Stiul.,  ii,  i>|i,  130,  138  (1856). 

Uoad  trail svorso,  or  subfjU those,  tlie  occiimt  nmiido*!;  ocelli  small, 
trial  I  Jill  hilly  arraiifjed  on  the  vertex;  eyes  oval,  pubeseeiit. 

Aiiteniiie  inserted  on  a  frontal  itroniiner.ce;  in  9  15  Jointed,  ttlifonn, 
or  at  tlie  most  snbhlitoriii,  rarely  slightly  thickened  at  tii»s,  the  scape 
long,  cylindrical,  reaching  considerably  beyond  th«>  ocelli;  pedicel  small, 
lomided,  the  lust  Hagellar  Joint  from  one  halt'  to  two  tiiirds  the  length  of 
the  s<'ape;  the  following  Joints  <'ylindrical,  be<'oiiiing  (piite  short  before 
the  last,  tin;  last  a  little  longer  than  the  penultinuate:  it  is  rare  that 
the  Joints  are  moiiiliform;  in  S  14-Joiiited,  very  long,  cylindrical,  sub- 
setaceons,  piibesct'iit,  the  scape  slender,  a  dttle  h>iig(  i-  than  the  first 
flagellar  Joint;  i»edice!  ronnded;  first  flagellar  Joint  excised  at  base, 
the  following  Joints  five  or  more  times  longer  than  thi<!k. 

Maxillary  palpi  5-Jointed;  labial  palpi  ;i-jointed. 

Mandib'es  short,  curved,  with  a  small  tooth  within. 

Thorax  subovoid,  the  ])ronotum  pr(Hluced  anteriorly  into  a  small, 
ronnded  neck;  nies^^niotniu  hmger  than  wide,  with  two  furrows;  scu- 
telhim  convex,  with  a  profound  fovea  at  base;  metathorax  short,  cari- 
nated,  the  posterior  angles  not  prominent  or  produced  into  a  tooth. 

Front  wings  broad,  i)iibescent,  with  a  basal  cell,  a  ch)sed  marginal 
cell  about  as  long  as  the  marginal  vein  or  longer,  the  first  branch  of  the 
radius  slightly  oblique  and  the  jtostmarginal  nervurewell  developed. 

Abdomen  conic-ovate,  with  eight  segments,  the  petiole  in  both  sexes 
very  long,  four  or  more  times  longer  than  thick,  the  third  segment  lon- 
ger than  the  fourth. 

Legs  slemler,  pilose,  the  femora  subclavate,  the  tarsi  very  long,  slen- 
der, the  posterior  tarsi  longer  than  their  tibiic,  the  basal  Joint  2i  times 
as  long  as  the  second,  the  tibial  spurs  weak,  scarcely  discernible. 

TABLE   OF  kPEOIES. 

FEMALBK. 

Polislu'd  black ;  nhdomen  sometiint'S  rnfons. 
Antemnv   somewliat  thickened  toward   tips,   riifoiis,  joiutH  8  to  14  transverse- 
quadrate.  ■■■■■■'>.■ 
Marfriiial  cell  a  little  more  than  twice  the  lenf^th  of  the  marginal  vein. 

C.  KUFICORNI8  Sp.  nov. 
Antenna'  filiform,  the  flagellnm  fuscous. 
Second  flagellar  joint  two-thirds  the  length  of  the  first;  marginal  coll  3  times 
the  length  of  the  marginal  vein;   body  of  abdomen  dull  rnfons 

^  basall y C.  macrodyctium  Aahm. 

Second  and  first  flagellar  Joints  equal;  leys  honey-yellow ;  abdomen  black. 

Marginal  cell  twice  as  long  as  the  marginal  vein;  flagellar  joints  13  and  14 

e(iual C.  MELLIPKS  Say 

Marginal  coll  thrice  as  long  as  the  marginal  vein;   flagellar  joint  13  dis- 
tinctly longer  than  14 C.  SIMILIS  sp.  nov. 


360  BULLETIN   45,  UNITED    STATES    NATIONAL    Ml'SEUM. 

MAI.KS. 

AiitoniiH'  nifoiis,  fnscons  tonanl  tips;  Iojjh  riifons. 

Miir^iual  cell  tliricr  as  loii^;  uh  ttic  niai'^iiiiil  vein;  alxloinei)  rnfnns,  the  third  seg- 
ment no*  more  tlian  twice  as  long  as  tlio  I'oiirtli. 

V.  MArRODYCTIt'M  AbIiIII. 

Marginal  cell  not  thricb  the  len>;th  of  the  niar^iinal  vein;  alxloinen  black,  the 
third  Nc^nient  ul)oiit  I  tiinc!)  iih  long  as  t!ie  fourth. 

C.  CALIFORNTCU8  Sp.  DOV. 

ClnetUB  mficornis,  ap.  nov. 

9.  Lenfftb,  3""".  Poliahed,  black;  aiiteima' rufous;  tejjui.T  and  k'fra 
brownish  yellow.  Antenna'  ir»  jointe<l,  subclavjite,  the  tirst  tiajjellar 
joint  a  little  more  than  twice  as  long  as  the  pedicel,  the  joints  beyond 
to  the  eighth  gradually  subequal,  the  eighth  nioiiiliform,  tin*  ninth, tenth, 
eleventh,  and  twelfth,  transverse,  the  last  c<»ne  sha])ed.  Metathorax 
carinated,  the  si)ace  between  the  keels  smooth,  shining.  Wings  hya- 
line, the  venation  brown,  the  marginal  cell  twice  as  h»ng  as  the  margi- 
nal vein,  the  tirst  branch  of  the  radial  vein  slightly  oblique,  a  little 
shorter  tlian  th«'  marginal.  Abdomen  conic-ovate,  the  petiole  U  times 
as  long  as  the  metathorax,  tlutetl,  the  second  segment  with  ii  h;  igitadi- 
nal  sulcus  at  base,  the  third  segment  twice  as  long  as  the  fourth,  the 
seventh  as  long  as  the  lourth,  tifth,  and  sixth  together,  piceous,  eigktU 
very  short,  yellowish. 

Habitat. — Arlington,  Va. 

Type  ill  Coll.  Ashmead. 

CiretUB  macrodyctium,  sp.  nov. 

S  9.  Length,  .'J  to  .3.^""".  Black,  polislied,  pubescent;  legsruims; 
abdomen  dull  rufous,  in  9  with  the  petiole  black.  Anteniuv  in  5  about 
as  long  as  the  body,  filiform,  15  jointed,  dark  fuscous,  pubescent,  the 
first  two  joints  rufous;  first  flagellar  joint  about  one-third  longer  than 
the  second,  the  joints  beyond  to  eighth  gradually  shortening,  the  eighth 
being  about  half  the  length  of  the  second;  the  joints  from  8  to  tlie  last 
short,  all,  however,  longer  than  thick,  tlio  last  longer  than  the  penulti- 
mate; in  $  14-jointed,  the  joints  all  l(»ng,  cylindrical;  the  first  three 
rufous,  the  following  fuscous;  the  first  tiagellar  joint  is  as  long  as  the 
scape,  and  a  little  longer  than  the  second,  excised  at  base.  Wings 
hyaline,  pubescent,  the  marginal  cell  thrice  as  long  as  the  marginal 
vein;  the  stigmal  vehi  almost  straight,  about  half  the  length  of  the 
marginal,  or  a  little  longer  in  the  S  .  Abdonjen  a  little  longer  than  the 
head  and  thorax  together,  the  petiole  in  $  strongly  fluted,  about  twice 
the  length  of  the  metathorax,  in  9  a  little  vshorter;  rest  of  the  body 
polished,  pubescent;  the  second  segment  at  base  with  a  longitudinal 
sulcus. 

Habitat. — Arlington,  Ya.,  and  West  Cliflf,  Colo. 

Types  ill  Coll.  Ashmead. 


MONO({KAFn  OF  TMK  NOKTIl  AMKKICAN  PKOCTOTKYPID.E.     361 

The  9  of  this  specioH  was  n'reived  tVoiii  Mr.  T.  1),  A.  Cockerell,  from 
('(ih)ia<h>,  hut  I  h.ivt'  no  doubt  it  is  properly  correhitetl  with  ii  <J  tsikeii 
iu  Virginia,  as  it  agrees  iu  venation  and  general  apiM-arance.  although 
the  color  of  the  gbdouien  is  slightly  ditterent. 

Cinetus  mellipes  Say. 

(PI.  XIV,  FiK.6,  9.) 

Selyta  mellipes  Say  Loc,  Ed.  Say's  Works,  ii,  p.  ~2C>. 
Xvnoloma  iinllipiM  AhIiiii.  Can.  Knt.,  XIX,  p.  VMJ. 
Cnetus  mellipes  Cr.  Syn.  Ilyiii.,  p.  2.">(>. 

9.  Length,  2.5""".  Polished  black,  shining,  pubescent;  anteunae 
fuscous,  the  Mrst  two  joints  lioney-yellow;  legs  honey-yellow.  An- 
tenna' If)- jointed,  (iliforin,  reaching  to  the  niiddle  of  the  abdomen; 
scape  more  than  twice  as  long  as  the  first  flagellar  Joint;  first  and 
second  tlagellar  Joints  ecpuil, .'{  times  as  long  as  the  pedicel;  the  follow- 
ing Joints  to  eighth  gradually  shortening;  from  here  to  the  last  much 
shorter,  the  thirteenth  and  fourteenth  being  only  a  little  longer  than 
thick,  ecjual,  and  slu)rterthan  the  last  which  is  conic.  Wings  hyaline, 
the  marginal  cell  only  twice  the  length  of  the  marginal  vein,  the  venaticm 
fuscous.  Abdomen  one  third  longer  thau  the  head  and  tiiorax  to- 
gether, the  petiole  b'3ing  mor«'  than  twice  as  long  as  the  metathorax, 
tinted;  the  body  of  abdomen  is  smooth,  shining,  covered  with  .sparse 
white  hairs  along  the  sides,  at  tip  and  beneath,  the  first  .segment  occu- 
pying nearly  the  whole  surfa<!e,  with  a  longitudinal  sulcus  at  base;  the 
8e<;ond  is  very  short,  but  twice  the  length  of  the  third;  the  last  conic, 
piceous. 

Habitat. — Indiana  and  Arlington,  V^a. 

Specimens  in  Coll.  Ashmead. 

Cinetus  similis,  s\).  nov. 

9.     Length,  2.8 Polished  black,  pubescent;  scape,  pedicel,  .and 

legs  honey  yellow;  rest  of  antenna;  subfu.scons.  Head  transverse, 
wider  than  the  thorax.  Antenna'  15 Jointed,  filiform;  the  scape  fully 
4  times  as  long  as  the  first  fiagellar  Joint,  obclavate,  first  ami  second 
flagellar  Joints  ecjual,  twice  as  long  as  tlie  pedicel  or  a  little  more  than 
.3  times  as  long  as  thick,  the  following  Joints  very  gradually  sub- 
equal,  the  last  conical,  one  third  longer  than  the  penultimate.  Wings 
hyaline,  pubescent,  the  marginal  cell  about  .'?  times  as  hmg  as  the 
marginal  vein.  Abdomen  conic-ovate,  black,  polished,  the  petiole 
opa<pie,  fluted,  nearly  twice  the  length  of  the  metanotnm,  the  third 
segment  short  but  about  twice  the  length  of  the  fourth. 

Habitat. — Arlington,  Ya. 

Type  in  Coll.  Ashmead. 

Allied  to  C.  mellipes  Say,  but  differs  in  the  relative  length  of  the 
antenna!  joints  and  in  having  a  longer  marginal  cell. 

Cinetus  californicus,  sp.  nov. 
$  .    Length,  2.5 "" .     Polished  black,  nearly  devoid  of  pubescence,  the 


362  BULLETIN   45,  UNITED    STATES   NATIONAL    MUSEUM. 

petiole  beneath  with  long,  sparse  liairs.  AntenniB  fuscous,  the  scape 
and  pedicel  rufous,  yellowish  at  base,  the  joints  long,  cylindrical,  the 
first  flagellar  joint  the  longest.  Legs  reddish-yellow,  paler  at  articula- 
tions. Teguhe  yellowish.  Wings  hyaline,  the  venation  dark  brown. 
Metathorax  smooth,  shining,  carinated.  Abdomen*  black,  shining, 
depressed,  the  petiole  2i  times  as  long  as  the  metathorax,  striated,  the 
second  segment  striated  at  the  extremes  base,  with  a  cential  longitudinal 
sulcus,  the  third  segment  nefirly  as  long  as  all  the  following  together. 

Habitat, — Santa  Cruz  Mountains,  California. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen.  The  length  of  the  third  abdom- 
inal segment  renders  this  spe<ries  easy  of  identification. 

Cinetus  iiasutus  Prov. 
Add.  et  Corr.,  p.  178;  Cress.,  Syii.  llyiii.,p.  251. 

9 .  Long.  15  pee.  Noir  uvec  Ics  pattes  roux-jann:itre.  La  face  prolongee  en 
inuseau  dans  sa  partie  iuferieiire.  TtUe  Hubglobiileiise;  les  anteniies  fcirtes,  de  15- 
articles.  le  !"■  trt's  long,  les  dernieis  giaimleTix,  s'epaississaut  iuisen.sililenieut  en 
massue,  (juelfiiie  pen  brnnatre.  Thorax  ictn ci  en  avant,  les  sillonis  paiapsidanx  du 
raosonotum  jirofoiids,  le  divisaut  en  '^  lobes.  Ailes  hyalines,  velues,  a  rudiale  tres 
petite,  la  neivure  stigniatifpie  en  voyant  ini  rayon  vers  la  base  de  I'aile.  Pattes  (I'nn 
l)eau  jaune-niiel,  sans  aucune  tache.  Abdomen  a  pedicule  I'ort  et  assez  allonge, 
scabre,  le  reste  en  oval,  deprinie,  i»<di,  le  2''  segment  trt^a  grand  avec  nue  jtetite 
fossette  a  la  base.     (Pr<!yaniher.) 

Habitat. — Ottawa,  Canada. 
Type  in  Coll.  Provancher. 

Not  recognized,  and  probably  not  ,i  true  Cinetus. 

XENOTOMA  Fiirster. 

Ilym.  Stnd.,  ii,  p.  12J)  (185(;). 
4co7'etus  Hal.,  Nat.  Hist.  Kev.,  1857,  p.  169. 

(Type  X.  birolor  Nees  nee  .Jnrine). 

Head  transverse,  the  occiput  delicately  margined  behind;  ocelli  3, 
triangularly  arranged;  eyes  broadly  oval,  jmbescent. 

Mandibk'S  large,  acute,  sickle-shai)ed,  cntssing  each  other  at  tips. 

Antenna'  inserted  on  a  frontal  prominence,  filiform  or  subliliform,  in 
9  15j<»inted,  the  5  or  (J  terminal  joints  very  short,  the  last  conic  or 
ovate,  the  scape  cylindric,  a  little  curved,  and  swollen  at  tlie  middle; 
the  first  flagellar  joint  is  about  twice  as  long  as  thick  and  a  little  kmger 
than  the  second;  in  S  H-jointed,  the  scape  not,  or  scarcely,  reaching 
beyond  the  ocelli,  the  first  flagella''  joint  as  long,  or  nearly  as  long,  as 
the  scape,  excised  at  base. 

Thorax  subovoid,  the  anterior  anf^les  of  proTiotnm  straight;  nieso- 
notum  with  2  furro>vs;  scutelluiu  convex,  depressed,  and  with  a  deep 
fovea  at  base;  mclathorax  as  long  as  high,  carinated,  truncate,  and 
margined  posteriorly. 

Front  wings  pubescent,  th(^  margin.al  fringe  sl;ort,  a  basal  and  a  clo  ^ed 
marginal  cell,  the  marginal  vein  never  as  long  as  the  marginal  cell, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     3G3 

nsually  about  half  as  loiig;  stigmal  veiu  or  lirst  brauch  of  the  radius 
slightly  obli<]ue. 

Abdomeu  conic-ovate,  the  tij)  with  a  slight  upward  curve,  the  petiole 
as  long  as,  or  a  little  longer  than,  the  nietathorax,  distinctly  tinted  or 
striated;  the  third  segment  is  short,  but  usually  longer  than  the  fourth. 

Legs  much  as  in  Cinetus,  but  with  the  tibial  s})urs  distinct. 

This  genus  is  at  once  recognized  by  the  long  falcate  mandibles. 
The  species  known  to  me  may  be  separated  as  ft)llows: 

Head,  thorax,  and  petiole  black. 

8cape,  pedicel,  and  legs  yellow ," X.  x anthopus  sp.  nov. 

Head,  except  clypeiis,  l)laek;  thorax  and  abdomen  dull  rufous. 

Antenna'  and  legs  brownish-yeilow,? X.  mandibii.auis  sp.  nov. 

Brownish ;  vertex  and  disk  of  thorax  blackish  9 X.  x anthopus. 

Xeiiotoma  xanthopus.  sp.  nov. 

S  .  Length,  2.4'""'.  Polislied  black,  pubescent;  the  abdomeu  reddish- 
brown;  mandibles,  palpi,  two  basal  joints  of  antennas  and  legs  bright 
yellow;  tiagellum  fuscous.  Antenna'  15-Jointed,  setaceous,  the  scape 
very  little  longer  than  the  tirst  tlagellar  Joint;  the  first  flagellar  joint 
the  longest,  slightly  excised  at  base,  the  joints  beyond  very  slightlj^ 
shortening.  Metathorax  smooth,  with  a  middle  carina,  the  lateral  cariucc 
irregular  and  broken,  descending  obliquely  toward  the  posterior  coxa^ 
Wings  hyaline,  the  marginal  cell  fully  two  and  a  halt  times  as  long  as 
the  marginal  vein.  Abdomeu  as  long  as  the  head  and  thorax  together, 
]>ilose  beneath,  the  petiole  a  little  longer  than  the  nietathorax  with 
raised  lines. 

$  .  Length,  3""".  Brownish,  with  a  fuscous  pubescence;  vertex  of 
head  and  disk  (»f  thorax  blackish;  antennn',  mandibles,  palpi,  and  legs 
yellow.  Antenna'  15-jointed,  filiform,  a  tie  shorter  than  the  body; 
scape  more  than  tlirice  as  long  as  the  first  flagellar  joint;  pedicel 
rounded;  first  flagellar  joint  nearly  tlirice  as  long  as  the  pedicel,  the 
joints  beyond  to  sixth  very  gradually  subecjual,  joints  from  sixth  to  last 
hardly  longer  than  thick.  Abdomen  a  little  longer  tliau  the  head  and 
thorax  together,  the  petiole  twice  as  long  as  the  metathorax,  fluted,  the 
t^ird  segment  one-third  longer  ihan  the  fourth,  the  second,  with  faint 
punctures  laterally  otherwise  it  agrets  with  i  . 
Habitat. — New  Jersey. 
Types  in  Coll.  Ashmead. 

Described  from  1    S  and  1   9  specimen. 

Xeiiotoma  maiidibularis,  sp.  nov. 

(PI.  xiv,  Fig.  7,  9  .) 

S  9.  Length,  2.5'"'".  Polished,  i)ubescent;  head  black,  the  thorax 
and  abdomen  varies  from  a  blackish  or  brown  to  dull  rufous,  more 
especially  rufous  in  the  S  .  Antenna'  and  legs  pale  brownish-yellow. 
Mandibles  long,  sickle  sliaped,  crossing  and  extending  far  beyond  each 
other  at  tii>s.    Eyes  oval,  vertical.    Anteume  in  9  15-jointed,  filiform, 


364  BULLETIN    to,  UNITED    STATES   NATIONAL   MUSEUM. 

the  first  Hagellar  joint  thrice  as  long  as  the  pedicel,  the  joints  beyond 
to  the  nintli  gradually  shortened,  joints  tenth  to  thirteenth  about 
equal,  a  little  longer  than  thick;  in  <?  14- jointed,  filiform,  the  first  flag- 
ellar joint  excised  at  base,  about  two  thirds  as  long  as  the  scape,  all 
the  joints  beyond  long,  cylindric,  subequal.  INIetathorax  short,  abrupt, 
and  keeled,  the  posterior  angles  subacute.  Wings  hyaline,  the  mar- 
ginal cell  scarcely  twice  as  long  as  the  marginal  vein,  the  stigmal 
slightly  shorter  than  the  marginal.  Abdomen  ovate,  depressed,  the 
petiole  slightly  more  thau  twice  as  long  as  the  metathorax,  in  i  fluted, 
in  5  with  a  short  striate  sculpture  but  not  distinctly  fluted  or  grooved. 

Hauitat. — Texas. 

Types  in  Coll.  Aslnnead. 

Described  from  two  specimens. 

ZELOTTPA  F<irster. 
Hym.  Stml.,  ii,  p.  130  (1856). 

Head  transverse,  tfie  ocelli  in  a  triangle,  the  eyes  oblong-oval,  pu- 
bescent. 

Antennae  inserted  on  a  frontal  proit'.inence,  in  9  15-jointed,  filiform, 
cylindrical,  the  last  joint  enlarged,  fusiform,  the  scape  long,  slender, 
extending  far  above  the  ocelli;  in  3  14-jointed,  the  scape  extending 
scarcely  beyond  the  ocelli,  the  first  flagellar  joint  about  two-thirds  the 
length  of  the  scape,  excised  at  ba^se. 

Mandibles  meeting  at  tips,  bifid. 

Thorax  subovoid,  the  anterior  angles  of  pronotum  straight;  meso- 
notum  with  2  furrows;  scutellum  convex,  with  a  deep  fovea  at  base; 
metathorax  carinated,  the  posterior  angles  not  prominent. 

Front  wings  with  a  basal  and  a  closed  marginal  cell,  the  latter  large, 
much  larger  than  the  marginal  vein,  the  marginal  vein  being  usually 
shorter  thau  half  the  length  of  the  marginal  cell;  stigmal  or  first 
abscissa  of  radius  straight,  at  a  right  angle  with  the  margin. 

Abdomen  ovate,  the  petiole  not  <)r  scarcely  longer  thau  the  metano- 
tum,  strongly  fluted  or  striated. 

Legs  rather  long,  pubescent;  the  anterior  tibia*  davate,  their  tarsi 
twice  as  long  as  the  tibia*;  middle  aiiil  hind  tibia'  long,  slender,  very 
little  shorter  than  their  tarsi;  basal  joint  of  hind  tarsi  about  3  times 
as  long  as  the  second;  tibial  spurs  short. 

The  type  of  this  genus  has  never  been  d«'scribed.  Our  species  may 
be  thus  tabulated : 

TABLE   OF   SPECIES. 

MALES. 

Antenna'  rnfoiis 3 

AntenniP  blnckiHli  or  fuHcons,  the  three  or  four  hawal  joints  pale  rufous. 

Marginal  vein  nhorti-r  than  the  nuirginal  cell  and  less  than  twiee  as  long  as  the 

lirst  ))rau('li  of  radius 2 

Marginal  vein  as  long  as  the  marginal  ctll  or  2^  times  a«  long  as  the  first  branch 
«)f  radius. 
Legs  reddish-yel'ow Z.  tkxana,  sp.  nov. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  rROCTOTRYPIDyE.     365 

2"  Lej!;8  brownish-yellow. 

Maij:;inal  cell  2A  times  as  long  as  the  marginal  vein;   abdomen  brownish  or 

rnfons  basally Z.  loncicoknis,  sp.  uov. 

Legs  yellow. 
Marginal  cell  hardly  twice  as  long  as  the  marginal  vein;  abdomen  entirely 

black Z.  FLAVIPES,  sji.  nov. 

3.  Marginal  cell  and  the  marginal  vein  long,  about  equal  in  length. 

Legs  reddish-yellow Z.  nmcORNis,  sp.  nov. 

Zelotypa  texana,  sp.  nov.  •  '   ~'^  '  ' 

$  .  Length,  2.5"".  Polished  bhick,  ^vith  a  ghtterinj;  i)ubesoence; 
anteiuue  fuscous,  the  three  basal  joints  yellow;  legs  reddish-yellow. 
Face  with  white  pile.  Angles  of  collar  acute.  Auteuujc  14-jointed, 
filiform,  the  first  flagellar  Joint  ihrice  as  long  as  the  pedicel,  very 
slightly  excised  at  the  base,  the  following  Joints  shorter,  subecpial. 
Metathorax  cariuated,  pubescent.  Wings  hyaliue,  the  venation  browu, 
the  marginal  cell  about  as  long  as  the  marginal  vein,  the  latter  fully 
2^  times  as  long  as  the  straight  first  branch  of  radius.  Abdomen  long, 
oval,  the  petiole  '2i  times  as  long  as  thick,  fluted. 

Habitat. — Texas. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Zelotypa  longicoruis,  sp.  nov. 
(Pi.  XV,  Fig.  1,  <?.) 

S  .  Length,  3.2"'".  Polished  black,  pubescent;  antennae  fuscous, 
basally  yellowish;  teguhe  and  legs  brownish  yellow.  Anteunje  14- 
jointed,  filiform,  and  pubescent,  longer  than  the  body,  the  first  flagellar 
Joint  as  long  as  the  scape,  excised  one  third  its  length  at  base,  the 
Joints  beyond  all  long,  very  gradually  shortened,  the  i»enuliimate  nearly 
5  times  as  long  as  thick.  Metathorax  carinated.  Wings  subfuscous, 
the  marginal  cell  long,  2J  times  as  long  as  the  marginal  vein,  the  latter 
i  longer  than  the  stigmal.  Abdomen  ovate,  black,  shining,  the  second 
segment  rufous  basally,  the  i)etiole  1^  times  as  long  as  the  metathorax, 
or  2^  times  as  long  as  thick,  fluted. 

Habitat. — Arlington,  Va. 

Tyi)e  in  Coll.  Ashmead. 

Zelotypa  flavipes,  sp.  nov. 

S  .  Length,  2^""".  Polislieu  black,  sjjarsely  pubescent,  more  densely 
pubescent  on  the  abdomen  beneath ;  antenna'  dark  fuscous,  almost  black, 
the  three  basal  Joints  rufous;  legsi)alo  yellow.  Antenna'  14-Jointed,  as 
long  as  the  body,  the  first  flagellar  Joint  two-thirds  the  length  of  the 
rcape,  excised  for  nearly  half  its  length  basally,  the  Joints  beyond  grad- 
ually decreasing,  the  penultimate  scarcely  thrice  as  long  as  thick,  the 
lasc  a  little  longer.  Metathorax  carinated.  Wings  subfus<'ous,  the  mar- 
ginal cell  not  more  than  twice  as  long  as  the  nnirginal  vein,  the  latter 
about  twice  as  long  as  the  straight  first  branch  of  radius,    Abdomeu 


366  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

obloug-oval,  black,  iwlishod,  Avith  a  glitteiiiig  wbite  jnle  beneath,  the 
petiole  more  than  twice  as  long  as  thick,  tinted. 

Habitat.— Fort  George  Island,  Fla. 

Type  in  Coll.  Ash  mead. 

Zelotypa  luficornis,  sj).  nov. 

S  .  Length,  3" "".  I'olislied  black,  covered  wiili  a  sparse  white  pubes- 
cence; antenna'  pale  rufous;  legs  reddish-yellow,  the  tarsi  pak'.  An- 
tenna* 14-jointed,  slender,  flliform,  as  long  as  the  body,  the  tirst  flagellar 
joint  a  little  shorter  than  the  scape,  strongly  ex<'ised  half  its  length 
basally,  the  following  joints  hII  long,  sliglitly  subequal,  about  5  times 
as  long  as  thick.  Metathorax  carinated.  Wings  subhyaline,  the  mar- 
ginal cell  as  long  as  the  marginal  vein,  the  h  tter  nearly  twice  as  long 
as  the  stigmal.  Abdomen  oblong-oval,  bla.  k,  sliining,  the  tip  and 
beneath  with  white  hairs,  the  petiole  very  long,  moretlian  twi<e  as  long 
as  the  metathorax,  or  about  3i  times  as  long  as  thick,  fluted. 

HABITAT. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

PANTOCLIS  Fr.r«ur. 

Hyni.  Stud.,  ii,  p.  V,M  (lK"i<)). 

(Typo  ?  liahjfn  hrm.t'Sees.) 

Head  subglobose  or  transverse,  the  occiiait  rounded;  ocelli  3,  close 
together  in  a  triangle;  eyes  broadly  oval  or  rounded,  pubescent.  An- 
tenna^ inserted  on  a  frontal  ])roniinence;  in  9  15-jointed,  gradually 
thickened  toward  tips,  submoniliform  or  moniliform;  the  scape  is 
stout  and  extends  to  or  a  little  beyond  the  ocelli,  or  about  as  long  as 
the  first  four  or  Ave  flagellar  joints  united;  pedicel  rounded;  the  flrst 
flagellar  joint  a  little  longer  tliau  thick,  obconic;  the  second  and  third 
short,  the  following  gradually  enlarged,  moniliform,  submoniliform,  or 
transverse;  in  (?  14-jointed,  filiform  or  setaceous,  densely  pubescent; 
flrst  flagellar  joint  about  two-thirds  as  long  as  the  scape,  excised 
basally,  the  following  joints  shorter,  the  three  or  four  joints  before  the 
last  less  than  three  times  as  h>ng  as  thick,  rarely  longer. 

Mandibles  acute  with  a  tooth  within,  slightly  crossing  each  other  at 
tips.  Thorax  as  in  Zelotypa,  the  posterior  angles  of  metathorax  often 
prominent. 

Front  wings  pubescent,  with  a  basal  cell  and  a  small  triangular 
closed  marginal  cell,  the  marginal  vein  short,  rarely  much  longer  than 
the  first  abscissa  of  the  radius,  the  latter  oblique. 
^^  Abdomen  ovate,  more  rarely  oblong-oval,  the  petiole  short,  the 
second  segmen  toccupying  niost  of  the  surface,  with  a  median  longi- 
tudinal sulcus  at  base,  the  following  segments  short,  about  equal;  in 
the  $  the  petiole  is  hmger,  about  three  times  as  long  as  thick. 

Legs  pubescent,  the  tibial  spurs  short  bat  distinct. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PHOCTOTEYPID^E.     367 

TABLE   OF  SPECIES. 

Antemiii'  not  black 2 

Antcnuil-  black  or  picecnis-black. 
Himl  coxa;  black. 

Lej?.s  rufous P.  Montana,  sp.  nov. 

Femora  and  tibia'  more  or  less  black  or  piceous P.  picipks,  ep.  nov. 

2.  ilarginal  vein  shorter  than  the  stigmal 3 

Marj^inal  vein  longer  than  the  stigmal. 

Legs  yellowish. 

Scape  ami  ]ieili<el  yellowisli,  llagelluni  fuseons. 

Last  joint  of  autt^nna;  enlarge<l,  oblong,  about  5  times  as  long  as  the  pre- 
ceding. 

Metathorax  and  abdomen  brownish P.  mecjaplasta,  sp.  nov. 

Antenna'  browuisli-yellow  or  only  fuscous  toward  tips. 
Anteume  subclavate,  moniliform. 

Marginal  cell  twice  as  long  as  the  marginal  vein,  the  first  branch  of 

radius  only  slightly  oblique P.  INSULAUIS,  »p.  uov. 

Antenna'  much  incrassated,  moniliform. 

Marginal  cell  not  longer  than  the  marginal  vein,  the  first  branch  of 
radius  very  obliciue P.  ckassicornis,  sp.  nov. 

3.  Marginal  cell  about  ">  times  as  long  as  the  nuirginal  vein,  the  first  branch  of  radius 

«d)li<|ue,  twice  as  long  as  the  marginal  vein. 
Legs  pale  rufous  or  brownish-yellow. 
Antenna'  rufous,  dusky  towards  tips,  the  first  llagellar  joint  twice  as  long  as 
the  pedicel,  the  f<dlowing  joints  moniliform,  after  the  fourth  trans- 
verse-mouiliform. 

Abdomen  rufo-piceous,  the  tip  reddish-yellow P.  analis,  sp.  nov. 

Marginal  cell  about  four  times  as  long  as  tlie  marginal  vein,  the  first  branch 
of  radius  obliijne,  very  little  longer  than  the  marginal  vein. 
Legs  pale  rufous  or  brownish-yellow. 
Antennie  brownish-yellow,  slightly  fuscous  towanl  tips,  the  first  flagellar  joint 
twice  a«  long  as  the  pedicel,  the  following  joints  all  round,  monili- 
form. 

Abdomen  black,  the  apex  ruftms P.  ihtficauda,  sp.  nov. 

Antenna'  fuscous,  the  three  basal  joints  yellow. 

Abdomen  black,  base  <»f  second  segment  above  and  beneath,  rufons ;  flagellar 
joints  after  the  fifth  less  than  twice  as  long  as  thick. 

P.  FLAViPEs,  sp.  nov. 
Abdomen  entirely  black;  flagellar  joints  after  the  fifth  thrice  as  long  a« 

thick P.  coLOHADENsis  Ashm. 

Marginal  cell  not  more  than  thrice  as  long  as  the  marginal  vein  or  shorter,  the 
tirst  branch  of  radius  obli(jue. 
Antenn.T  and  li'gs  rufous,  the  former  incrassated  and  fuscous  toward  tips. 
First  flagellar  joint  about  twi<e  as  long  as  the  p»'dicel,  the  joints  after  the 

fourth  tranverse  moniliform P.  cai.ifornka,  f p.  nov. 

First  flagellar  joint  twice  as  long  as  the  pedicel,  the  joints  after  th?  third 
transverse-moniliform,  slightly  pedicellate;  body  brownish-piteous. 

P.  KiiESCKNs,  sp.  nov 

-        Antennie  and  legs  pale  brownish-yellow,  the  former  filiform,  dusky  toward  tips. 

JMrst  flagellar  joint  more  than  twice  as  long  as  thi^  pedicel,  the  joints  after  the 

third  ecjual,  not  longer  than  thick P.  fi.okiuana. 


368  BULLETIN   45^  UNITED    STATES    NATIONAL    MUSEUM. 

Fautoclis  montana,  8|>.  uov. 

S  5.  Lenj-th,  2.5  to  3.2""".  Polislu'd  black,  jmbesoeiit;  legs  rufous, 
the  hind  coxa'  bhivk.  Antenna'  in  $  15Jointe<l,  subclavate,  tlie  joints 
rounded,  the  lirst  Hafiellar  Joint  twice  as  lony"  as  the  i)edicel,  slender 
towards  the  base;  the  second  about  half  the  length  of  tlie  first,  the 
joints  from  the  fifth  ([uadrate  moniliforni,  slightly  i>t(lic('llate,  the  last 
one-shaped;  in  S  14-jointed,  long,  setaceons,  the  ii.st  flagellar  joint 
two-thirds  tiie  length  of  the  scape,  excised  towards  base,  the  following 
joints  subeqiuil,  the  penultimate  twice  as  long  as  thick,  the  last  one- 
third  longer.  Meiathorax  with  .")  keels,  a  central,  and  two  i>arallel 
lateral  keels;  the  lateral  angles  prominent.  Abdouu'U  conic-ovate,  a 
little  depressed;  the  jyetiolc  as  long  as  the  metathorax,  strongly  fluted; 
the  third,  fonrth,  and  fifth  segments  very  slmrt,  e(jual;  the  sixth  slightly 
longer;  the  seventh  more  than  twice  as  long  as  the  sixth  and  slightly 
longer  than  the  eighth. 

Habitat. — Santa  t'rnz  Mountains.  California  and  Coh)ra<lo. 

Types  in  Coll.  Ashmead. 

Described  from  several  si)ecimens. 

Paiitoclis  picipes,  sp.  nov. 

S.  Length, 2.0'"'.  Polished  black ;  antenme  pheous-black,  the  base 
of  the  first  flagellar  joint  pale  brown;  legs  piceous,  trochanters,  tijts  of 
femora,  and  tibia'  and  tarsi,  brownish-yellow .  Antenna'  14:-jointed,  se- 
taceous, as  long  as  the  body,  the  first  flagellar  joint  two-thirds  the  length 
of  the  scape,  the  joints  bey<m<l  shorter,  very  gradually  shortened  to  the 
last,  which  is  a  little  longer,  the  i)enultimate  being  about  thrice  as  long 
as  thick.  Tegula'  piceous.  Wings  subfuscous,  the  venation  brown,  the 
marginal  cell  less  than  twice  as  long  as  the  marginal  vein,  the  first 
branch  of  radius  very  oblique  and  very  little  shorter  than  the  mar- 
ginal. Metathorax  with  5  keels.  Abdomen  smooth,  shining,  with  a 
sparse  white  pile  along  the  sides  at  tip  and  beneath,  the  petiole  not 
quite  as  long  as  the  metathorax,  channelled. 

Habitat. — AVashington,  1).  C. 

Tyi)e  in  Coll.  Ashmead. 

Pantoclis  megaplasta,  Rp.  nov. 

5  .  Length,  2 " ' '.  Head  and  thorax  black ;  metathorax  and  abdo- 
men brownish-piceous;  antenna;  fuscous;  the  scape,  pedicel,  and  legs 
pale  brownish-yellow.  Antennte  15-jointed,  filiform,  the  last  joint 
enlarged,  oblong,  about  5  times  as  large  as  the  penultimate  joint,  the 
first  flagellar  joint  very  sligntly  longer  than  the  pedicel,  bat  slenderer, 
the  following  joints  subequal,  the  2  penultimates  scarcely  longer  thau 
thick.  Tegulic  yellow.  Wings  hyaline,  the  venation  pale  brown,  the 
marginal  cell  twice  as  long  as  the  marginal  vein,  the  first  branch  of 
the  radius  obli(iue,  sliorter  thau  the  marginal.  Metathorax  keeled, 
brownish.  Abdomen  brownish-picecms,  the  tip  slightly  turned  upwards, 
the  petiole  a  little  more  than  twice  as  long  as  thick,  fluted. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     369 

Habitat. — Munhiittan,  Ivans. 
Type  in  Coll.  Ashmead. 

DescribtMl  from  a  sinjjle  specimen  received  from  Prof.  E.  A.  "•openoe. 
The  large  terminal  antennal  Joint  and  the  <'oh)r  of  tlie  abdomen,  the 
tip  curving  iipwards,  readily  <listinguish  the  species. 

Pantoclia  insularis,  sj).  nov. 

S  9.  Length,  2  toli.O""".  Polished  blaiik,  pubescent;  antennae  and 
legs  brownish-yellow.  Antenme  in  9  M-jointed,  gradually  thickened 
toward  tips,  the  last  Joint  cone  shaped,  twice  as  long  as  the  penulti- 
mate, scape  more  than  thrice  as  long  as  the  first  flagellar  Joint,  the 
latter  twice  as  long  as  the  pedicel,  the  Joints  beyond  to  the  seventh 
shortening,  from  the  seventh  to  the  last  moniliform,  wider  than  long; 
in  S  14-Jointed,  setaceous,  fuscous,  the  first  flagellar  Joint  excised  at 
base,  a  little  shorter  than  the  s(;iti)e,  the  latter  yelhnvish,  the  joints 
bej'ond  subequal.  Teguhe  yellow.  Wings  hyaline,  the  veuaticm  yel- 
lowish, the  marginal  cell  twice  as  long  as  the  marginal  vein,  the  first 
branch  of  the  radius  two  thirds  the  length  of  the  marginal.  ^Feta- . 
thorax  with  3  keels,  smooth  <m  disk.  Abdomen  black,  the  tip  turned 
upwards,  the  second  segment  basally  and  the  sixth  rufous,  venter  pilose, 
the  petiole  li  times  as  long  as  thick,  tinted. 

Habitat. — Fort  George  Island,  Fhu'ida. 

Types  in  Coll.  Ashmead. 

Descril)ed  from  several  specimens. 

Pantoclis  crassicoruis,  sp.  nov. 

S  9  .  L«Migth,  3  to  4:'"".  Polished  l>lack,  and  covered  with  a  fuscous 
pubescence;  antenn;e,  man<libles,  and  legs  rufous.  Ilea<l  in  9  longer 
than  wide, the  face  with  two  furrows  extending  to  the  clypeus.  Antenn* 
15-jointed,  much  incrassated,  the  scape  very  stout,  as  long  as  the 
pedicel  and  first  four  flagellar  Joints  united,  the  first  flagellar  Joint  about 
twice  as  long  as  the  pedicel,  the  Joints  beyond  moniliform,  after  the 
sixth  transverse  moniliform  and  slightly  pedicellate.  Tegui.e  iiifbus. 
Wings,  subfuscous,  the  venation  brown,  the  marginal  cell  nut  longer 
than  the  marginal  vein,  the  first  branch  of  the  radius  obliijue,  about 
half  the  length  of  the  marginal.  Metathorax  flat,  keeled,  with  the  po.s- 
terior  angles  prominent.  Abdomen  (tblong  ovale,  depressed,  black, 
i»ubescent,  as  long  as  the  head  and  thorax  together,  the  secon<l  segment 
]'ufo-i)iceous  basally,  the  petiole  stout,  about,  as  long  as  the  nn'tathorax. 

The  6  is  the  smaller,  more  slender,  the  head  transverse,  the  antennse 
14-Jointed,  filiform,  brown;  the  scape  and  pedicel  yellow;  the  flagellar 
Joints  nearly  equal  in  length;  the  first  emarginated  at  base;  none  of 
the  Joints  are  less  than  4  times  as  long  as  thick, 

llABiTAT. — Arlington,  Ya.  '"'  ■  ' 

Types  in  Coll.  Ashmead.  ' 

21899— No.45 24  >    '  T-  -  - 


370  BULLLTIN   45,  UNITED    STATKS    NATIONAL    MLSELM. 

Paiitoclis  analis,  »]>.  uov. 
(IM.  XV,  Fiji.  L'.  9.) 

9.  Lcnjftli,  3.2""".  Polished  hhuk,  sparsely  pubescent;  iiiitennte 
nitons,  bliU'kish  toward  tijK;  lej^s  brownish  yellow.  The  frontal  proini- 
nen«-e  beneath  is  ruj^oso  punctate.  Antenna'  1")  jointed,  thickened  to- 
ward tips,  inonilitbrm ;  the  scajte  rather  stout,  twice  as  lonj-  as  the  pedi- 
eel,  the  joints  beyond  nionilitbrni,  alter  the  second,  transversenioniliforin, 
the  last  eonie,  a  little  lonj;er  than  the  penultimate.  Mesoi)leura  ini- 
l»ress«'d  with  a  laij^e  tbveii.  Te^uhe  yellowish.  VVinji's  snbhyaline, 
the  marginal  cell  about  tive  tinu's  as  long  as  the  marginal  vein,  tin;  lat- 
ter shorter  than  the  obliijue  tirst  branch  of  the  radius.  Metathorax 
carinated.  Abdomen  rntb-piceous.  the  two  last  segnuMits  reddish- 
yellow,  the  seventh  and  eighth  segments  about  equal,  as  long  as  the 
third,  Iburth,  and  tifth  united;  the  spiracles  distinct;  the  petiole  stout, 
as  hmg  as  the  metathorax,  tinted. 

Habitat. — Washington,  J).  C. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  captured  by  E.  A.  Schwarz. 

Paiitoclis  ruficauda,  s|>.  iiov. 

5.  Length,  .'{""'.  Polished  black;  the  api'X  of  abdonu'U  with  long 
whitt^  hairs,  the  last  segment  conically  pointed,  reddish:  iintenna'  aud 
legs  brownish-yellow,  the  former  dusky  toward  tijis.  Antenna'  15- 
jointed,  tiliform  nioniliform,  the  tirst  tiagellar  Joint  twice  as  long  as  the 
pedicel,  thi^  Joints  b<'yond  to  the  last,  eijual,  nionililbrm,  scarcely  wider 
thau  long,  the  last  cone-shaped,  a  little  longer  than  the  penultimate; 
metathtnax  carinated.  TeguLe  yellow.  Wings  snbhyaline,  the  nuir- 
ginal  cell  hardly  5  tim«'S  as  long  as  the  marginal  vein,  the  latter  very 
slightly  shorter  thau  the  oblique  tirst  branch  of  the  radius.  Abdo- 
men conic-ovate,  black,  highly  polished,  the  last  segment  conically 
l)ointed,  twice  as  long  as  the  seventh,  the  sixth  a  little  shorter  than 
the  seventh,  but  twice  as  long  as  the  fifth,  the  petiole  as  long  as  the 
metathorax,  not  longer  than  thick,  fluted. 

Habitat. — Arlington,  Va. 

Type  in  (.'oil.  Ashmead. 

Described  from  <me  spei^imeu. 

Paiitoclis  flavipei,  Hp.  uov. 

$.  Length,  2.5'"".  Polished  black,  pul>escent;  anteniue  and  legs 
bright  yellow,  the  former  after  the  first  tiagellar  Joint  slightly  fuscous; 
mandibles  and  clypeus  rufous.  Anteimie  15  jointed,  subfiliform,  the 
tirst  flagellar  joint  two-thirds  the  length  of  the  scape,  or  thrice  as  long- 
as  the  pedicel,  the  joints  beyond  to  the  seventh  subequal,  beyond  slunt, 
not,  or  scarcely,  hniger  than  thick.  Metathorax  carinated.  Tegnla^  yel- 
low. Wings  snbhyaline,  the  venation  brown,  the  marginal  cell  4  times 
as  long  as  the  marginal  vein,  the  latter  slightly  shorter  thau  the  oblique 


MONOGKArH  OF  THE  NuKTH  AMERICAN  PROCTOTEYPID.E.     371 

lirst  l»ii»ii<h  of  tilt'  rsuliiis.  Abdomen  black,  pubescent  beneath  and 
iif  tip,  the  second  segment  rufous  toward  base,  both  above  and  be- 
neath, the  petiole  shorter  than  the  metathorax,  not  lonj^er  than  thick, 
striated,  segments  third,  fourth,  fifth,  and  sixth  short,  e<iual,  seventh 
twice  as  h)ngas  the  sixth  and  a  little  longer  than  the  eighth. 

IIARITAT. — Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Pantoclia  coloradensia  At^Lui. 

Zdotypa  colorndenitiit  Ashm.,  Hull.  No.  1,  Col.  Biol.  Assoc,  p.  12. 
9.  Length,  3""".  Subrobust,  i»olished  black,  pubescent.  Face  with 
a  deep  impression  just  above  the  clypeus.  Eyes  pubescent.  Anteiuue 
brownish-yellow,  the  tlagellum  fu.scous;  the  scape  is  nearly  twice  as 
long  as  the  first  flagellar  Joint;  pedicel  globular;  first  flagellar  excised 
for  onethinl  its  length  basally;  the  following  joints  shorter,  about 
thrice  as  long  as  thick.  Thorax  with  2  furrows,  converging  jiosteriorly ; 
mesopleura  impressed  across  the  disk;  scutelluni  convex,  with  a  deep 
fovea  across  the  base;  metathorax  short,  carinated.  Legs  brownish- 
yellow,  the  posterior  coxa?  dusky  at  base.  Wings  hyaline,  pubescent, 
the  venation  pale  brown ;  the  marginal  vein  is  only  one-third  the  length 
of  the  marginal  cell,  the  first  branch  of  the  radius  about  as  long  as  the 
marginal,  oblique. 

Habitat. — West  Cliff,  Colo. 
Type  in  Coll.  Ashmead. 

Described  from  one  specimen  received  from  T.  D.  A.  Cockerell. 

Fantoclis  californica,  sp.  nov. 
(PI.   -W,  Fig.  2a,  J  antenna.) 

S  9.  Length,  2  to  L'.^""".  Polished  black;  antenna',  nandibles, 
teguhi',  and  legs  rufous,  the  former  dusky  toward  tips.  Antennae  iu 
9  15-jointed,  davate,  moniliform,  the  first  flagellar  joint  twice  as  long 
as  the  pedicel,  the  joints  beyond  moniliform,  after  the  fourth,  trans- 
verse-moniliform;  in  S  14-jointed,  filiform,  pale  brownish;  the  first 
flagellar  joint  about  as  long  as  the  scape,  excised  at  base,  the  joints 
beyond  very  gradually  siiortening,  thepeuultinnite  a  little  shorter  than 
the  last,  2.i  times  as  long  as  thick.  Metathorax  carinated,  the  posterior 
angie^t  projecting.  Wings  subfuscous:  the  marginal  cell  about  thrice 
as  long  as  the  marginal  vein,  the  latter  two-thirds  the  length  of  the 
oblique  first  branch  of  the  radius.  Abdomen  conic-ovate,  i)olished 
black;  the  petiole  as  long  as  the  metathorax,  fluted;  segments  third, 
fourth,  and  fifth,  very  short,  equal;  sixth  a  little  longer;  seventh  and 
eighth  about  equal,  slightly  more  than  twice  as  long  as  the  sixth;  the 
eighth  rufous. 

Habitat. — Santa  Cruz  IVxountains,  California. 

Types  in  Coll.  Ashmead. 


372  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

DcscrilM'd  from  1  ^,2  9  spee'tneiis.  Comes  near  to  7*.  woH/r/wr/,  Imt 
ill  tliJit  species  tlie  auteuiiie  and  liiiul  lejis  are  l>la('k,  the  seventh 
abdominal  sejxment  is  ti  little  longer  tliuu  the  eighth,  and  the  hitter  is 
black,  not  rufous. 

Pantoclis  rufescens,  h]>.  nov. 

9.  Lenjitli,  .'i'"".  Entirely  brownish  ])iceo'is;  antenna'  and  legs, 
brownisliyellow.  Antenna-  ir»  jointed,  snbJiliforin-moniliform;  tlie  lirst 
Hagelhir  joint  twice  as  long  as  the  ]>edirel,  the  joints  beyond  monili- 
form;  after  the  third  transverse-mouiliform,  the  last  one  third  longer 
than  the  penultimate.  INIetathorax  short,  carinated,the  posterior  angles 
sliglitly  prominent.  Wings  subfuscous,  the  marginal  cell  LM  times  as 
long  as  the  marginal  vein,  the  latter  slightly  shorter  than  the  ()bliqne 
tirst  branth  of  the  radius.  Abdomen  conic-ovate,  the  petiole  U  times 
as  long  as  thick,  fluted ;  the  segments,  3,  4,  and  5  short,  ecpnil ;  the  sixth 
a  little  longer,  the  seventh  thrice  as  long  as  the  sixth  and  a  little  shorter 
than  the  eighth. 

Habitat. — Texas. 

Type  in  (^oll.  Ashmead. 

Described  trom  a  single  si)ecimeu. 

Pantoclis  floridana,  sp.  nov. 

9  .  Length,  2.5'""'.  Polished  black,  pubescent;  antennjp,  mandibles, 
teguhe,  and  legs  brownish-yellow,  the  former  dusky  toward  tips.  An- 
tenna' l.~>-,jointed,  tiliform  nioniliform;  the  tirst  flagellar  joint  slightly 
more  than  twice  as  long  as  the  pedicel;  the  joints  after  the  third  eiiual, 
moniliform.  Metathorax  with  5  keels,  the  jmsterior  angles  not  ])rom- 
inent.  Wings  subfuscous,  the  marginal  cell  thrice  as  lo'ig  as  the  short 
mitrginal  vein,  the  latter  shorter  than  the  oblique  flrst  branch  of  the 
radius.  Abdomen  oval;  the  ]>etiole  about  1:^  times  as  long  as  thi<d\, 
striated ;  the  segments  3, 4,  it,  and  (i  very  short,  about  equal ;  the  seventh 
longer,  rufous. 

Haiutat. — Jacksonville,  Fla. 

T^'pe  in  Coll.  Ashmead, 

ZYGOTA  liirster. 

H.viu.  St-  tl.,  II.  p.  L31  (ISM). 

(Tyi>c  JUijila  iihdomhialh  Noes.) 

Head  transverse  or  subglobose;  the  occiput  straight,  delicately  mar- 
gined behind;  ocelli  3,  arranged  in  a  curved  line,  or  subtriangularly 
arranged;  eyes  oval,  hairy. 

Antenna'  inserted  on  a  frontal  juominence;  in  (5 14-joiated,  flliform; 
the  sca])e  rather  short,  extending  scarcely  beyond  the  ocelli;  the 
first  flagellar  joint  as  long,  or  nearly  as  long,  as  the  scape,  deeply  ex- 
cised at  base;  in  9  ir)-jointed,*thickened  toward  tips;  the  sc;M>e  long 


MONOGRAPH  OF  THE  NORTH  AMKRICAN  PUOCTOTRYPID/E.     .'i73 

and  stout,  reiu-hiuj;  beyond  the  (hm'IH;  tln^  hist  tliiyelliu'  Joint  ob- 
conio,  lon^'er  than  the  pedi(iel;  the,  foUowiii};  joints  tiansveise,  sub- 
nioniliforui  or  pertbliat«'d;  the  hist  ovate,  eonical,  or  oblong. 

Maxilhiry  palpi  with  joints  li  and  3  dilated. 

Thorax  as  in  Zilofijpa,  tln^  posterior  an},des  of  metathorax  promi- 
nent, acute,  or  toothed. 

Front  winy:s  pubescent,  with  a  basal  cell  and  a  very  lonj(,  lanceolate 
marginal  cell,  which  is  usually  open  at  tip;  the  marginal  vein  is  short, 
not  or  scarcely  longer  than  the  stigmal  or  the  first  abscissa  of  the 
radius. 

Abdomen  ovate,  slightly  pointed  at  tip;  the  petiole  usually  stout,  a 
little  longer  than  thick,  tinted. 

Legs  similar  to  Pautoclis,  but  the  anterior  tibiae  in  the  <J  is  twisted 
and  armed  at  the  middle  with  a  spine  or  tooth. 

TAHLK   or    SPEOIES. 

MAI.KS. 

Miirginal  cell  not  esiMscially  long,  closed ;  the  first  Itrauch  of  r.'ulins  o1>li<iue ;  anteuniu 

dark  fuscous Z.  cai.ikounica,  sp.  nov. 

Marginal  «<'ll  long,  open;  tbe  first  braudi  of  radius  straiglit Z.  ameuicana  Asiim. 

KKArAI.KS. 

First  flagellar  joint  not  twice  as  long  as  tlie  ptdicel Z.  amkricana  AhLui. 

First  flagellar  joint  about  twice  as  long  as  tbe  pedicel Z.  tkxana,  sp,  nov. 

Zygota  californica,  sp.  nov. 

S  .  Length,  3.5""".  Black,  shining,  covered  with  a  fuscous  pubescence. 
Antennae  li-jointed,  brown-black,  extending  to  the  middle  of  the  abdo- 
men; the  iirst  flagellar  joint  slightly  shorter  than  the  scape,  strongly 
excised  at  base;  the  joints  beyond  from  3A  to  4  times  as  long  as  thick,  the 
last  a  little  longer  than  the  penultimate.  Metathorax  smooth,  shining 
between  the  central  and  lateral  carina'.  Teguhe  rufo-piceims.  Wings 
subfuscous,  the  venation  piceous;  the  marginal  vein  is  slightly  longer 
tlian  the  obIi([ue  first  branch  of  the  radius,  the  marginal  cell  closed. 

Legs  brownish-yellow,  the  hind  coxai  slightly  dusky  basally,  the  an- 
terior tibiic  with  a  strong  spine  at  about  two-thirds  its  length.  Ab- 
domen black,  polished,  witli  a  greyish  pubescence  beneath;  the  petiole 
twice  as  long  as  the  metathorax. 

Haijitat. — Placer  County,  Cal.      ,        .  .    ..  ., 

Type  in  National  Museum.  ... 

Described  from  a  single  specimen  collected  by  Mr.  A.  Koebele,  in 
September.       ...  -  .      ;         .  ..•   ■  .  .    . 

=  ■'  Zygota  americaua  Asbm.  •    •      •_; 

-*-\;~ ':.  ":^"": :::  ::^         (Pi-  xv,  Fig.  3,  ^ .)        ,'  ■■:  .„■•  _ . Z:l  - 

'     ■'         '■  ....  .,         .     .  _  :ti!?t-'..      '-     •  '    . 

.    ^         C  an.  Ent.,  xx,  p.  ;j4. 

$  9  .  Length,  3  to  3.5'  '.  Polished  black,  covered  with  a  fuscous 
pubescence.     Antennse  lo-jointed,  filiform-moniliform ;  the  first  flagel- 


374    BULLETIN  45,  UNITED  STATES  NATIONAL  MUSEUM. 


lar  joint  not  twice  as  long  jjs  the  pedicel,  the  three  following-  Joints 
nearly  round,  the  remaiuiug  to  the  last,  transverse-mouililorni,  siib- 
pedicellate,  the  last  cone-shaped.  Mesonotal  furrows  broad,  distinct. 
Scutelluni  with  a  deep  depression  at  base.  Metathorax  carinated. 
Legs,  including  coxje,  honey  yellow,  the  first  joint  of  anterior  tarsi 
long,  deeply  einargiiiat<'  at  base.  Wings  fusco-hy aline,  pubescent,  the 
venation  brown,  the  marginal  cell  very  long,  not  quite  closed,  the  mar- 
ginal vein  very  little  longer  than  the  first  abscissa  of  radius.  Abdo- 
men ovate,  black,  slightly  rufous  basally,  the  venter  densely  pubescent, 
the  petiole  scarcely  twice  as  long  as  wide,  fluted. 

The  3  antenuie  are  14-jointed,  loug,  filiform,  pubescent,  the  pedicel 
rounded,  the  first  flagellar  joint  about  5  times  as  long  as  thick,  excised 
basally,  the  following  joints  shorter.  The  anterior  tibia'  is  twisted  and 
produced  outwardly  into  a  strong  tt)oth  or  spine,  the  apical  spine  long, 
curved. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

Zygota  texana,  sp.  nov. 

9  .  Length,  3""".  Black,  shining,  somewhat  densely  covered  with  a 
fine  fuscous  pubescence;  the  apex  of  the  seventh  dorsal  abdominal 
segment  and  the  last  ventral  segment,  rufcms;  antenna' rufous;  teguhij 
and  legs  brownish-yellow;  pal]»i  and  mandibles  pale. 

Antenna'  15-jointed,  moniliform,  the  first  flagellar  joint  abimt  twice 
as  long  as  the  pedicel,  the  last  obhmg,  the  five  i)receding  transverse- 
monilifi)rm.  Wings  subfuscous,  the  venation  brown,  the  marginal  cell 
very  long,  more  than  5  times  as  long  as  the  marginal  A^eiu,  the  latter 
scarcely  longer  than  the  first  abscissa  of  radius,  the  latter  almost 
straight.  Metathorax  carinated.  Abdomen  about  as  long  as  the  head 
and  thornx  together,  the  petiole  ah>ng  the  sides  and  at  apex,  an«l  the 
venter,  densely  pubescent,  the  second  segment  laterally  very  inely 
punctate. 

Habitat. — Texas. 

Type  in  Coll.  Ashmead. 

ACLISTA  Foister. 
Hyni.  Stud.,  ii,  p.  128  (ISrifi). 

Head  globose  or  subglobose,  the  cheeks  usually  full;  ocelli  3,  small, 
in  a  triangle,  not  i)ron)inent;  eyes  rounded,  pubescent. 

Antenme  inserted  usually  on  a  very  prominent  frontal  projection; 
in  9  15-jointed,  incrassated  or  clavate-moniliform;  scape  sUmt,  reach- 
ing far  above  the  ocelli;  pedicel  smaller  than  the  first  flagellar  joint, 
the  latter  usually  only  a  little  longer  than  thick;  the  folh»wing  joints 
all  moniIif(u-m  or  transverse-submoniliform,  sometimes  slightly  pedicel- 
late; in  S  long,  filiform,  14-joiuted,  covered  with  a  short,  dense  pubes- 


MONOGUAPH  OF  THE  NORTTI  AMERICAN  PROCTOTRVI'ID.E.     375 

ceuco,  the  scape  reaebing  beyond  the  (K-elli,  the  i)e«licel  small,  aimuhir, 
or  rouiide<l,  the  first  tlajiellar  Joint  k'iigtlu*ue<l,  excised  one  third  its 
leu^ith  at  base,  the  following  joints  shorter,  the  terminal  joint  nsnally 
shorter  than  the  second. 

Mandibles  short,  arcnated. 

Thiu-ax  snbovoid,  tlie  i)ronotam  distinctly  visible  from  above,  some- 
times hMigthcne<l,  nariowed  bctbrc;  inesonotuni  with  L*  dcei>  farrows; 
scntellnm  snbconvex  or  flattened,  Avith  a  large  fovea  at  base;  in<'tatho- 
rax  short,  carinated,  the  postcriin*  angles  prominent  or  acnte. 

Front  wings  pubescent,  with  a  distinct  basal  cell  and  a  short,  open 
marginal  cell;  the  marginal  vein  is  nsnally  very  short;  the  tirst  branch 
of  radins  short,  obli(|ne,  with  a  slight  nncns  from  tlu^  tip;  5  sometimes 
apterons  or  subapterous. 

Abdomen  ovate  or  conic,  the  iM'tiole  longer  tlian  thick,  a  litthi  swollen 
in  the  middle. 

Legs  ]>nbescent  or  pilose,  the  femora  clavate,  the  tibia>  elavate  or 
snbclavar*',  tibial  s[)nrs  short  but  distinct,  the  basal  joint  of  hind  tarsi 
3  or  more  limes  longer  than  the  second. 

TABLE   OF   SPECIES. 

Species  black,  or  at  least  not  eutiroly  rufons  or  brownish 2 

Species  entin^ly  brownish  or  rufous. 

Aiit»'!iii;i'  and  lc;is  ]iah'  brownish-yellow,  the   former  iuerassated  towiird  tips, 
the  iirst  llaji,elhir, joint  not  lon.ner  than  the  pedicel  hut  niueli  slen- 
derer, the  joints  beyond  n\oiiiliforin,  jjradually  increasing  in  size. 
Three  terminal  Joints  pale;  pcdit'el  much  stouter  bnt  not  longer  than  thc^  lirst 

llagellar joint A.  isfi'A,  up.  nov. 

Three  terminal   joints  Idack;  i)ediecl  stouter  and  distinctly  longer  than  the 
first  tla;>,;llar  joint A.  KCFKscen.s,  sp.  nov. 

2.  Abdomen  entirely  bla>k  or  only  slij^htly  palo  at  tip 3 

Abdomen  brownish  or  rufous,  or  at  least  toward  the  biise. 

Antenna'  int^rassated  toward  tips,  mouilitorni,  the  first  tlagellar  joint  longer 
than  the  jiedicel. 
Metathorax,  petiole,  and  abdouien  rufous,  the  second  segment  piceous  J  ( <?  ab- 

domei'  except  the  pciiole  black) A.  uitoi'ktioi.ata.  sp.  nov. 

Metathorax  always  black,  the  second  abdominal  segment  alone  rufous. 

Antenn.e  and  legs  pale  brownish-yellow,  the  first  tlagellar  joint  as  long  as 
the  scape,  (excised  basally  for  two-thirds  its  length  J  . 

A.  MISSOI'RIKNSIS,  sp.  UOV. 

3.  Antenr.a*  and  legs  rufous  or  brownish-yellow. 
Antenna'  incrassated  toward  tips,  sub-nioniliform. 

Fi'st  tlagellar  joint  notlonger  than  the  pedicel  but  slenderer.  .A.  r<»!.ieA,  s]>.  nov. 
First  flagellar  joint  a  little  longer  than  tht^  pedicel  an<l  as  thick,  the  following 
joints  trausverse-moniliform. 
A  ulomen  bluntly  rounded  at  tip,  the  petiole  stout,  rng<»se. 

A.  UUliOSOPKTIOLATA,  Sp.  noV. 

Anti'nate  tiliform-nioniliform. 

First  flagellar  joint  twice  the  length  of  the  pedicel;  the  joints  after  the   fourth 
transverse,  the  last  conicai.  twiire  as  long  iis  the  penultimate. 
Abdomen  oblong-oval A.  calikornica,  sp.  nov. 


376  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

,  First  tlagellar. joint  one-third  long«r  than  thts  iieditei,  tli«  joints  heyond  the 
third  laonilii'orni,  ecinal,  not  wider  tlian  lou}^,  the  hi«t  oue-tliird 
h)nger  than  the  pcniiltiniate. 

Ahdonieu  pointed  ovat«! A.  isoukalis,  sp.  nov. 

Antenn.'e  filiform,  the  joints  long,  cylindrical. 

First  Uajjjelhir  joint  one-third  lonjicr  tlian  the  pedicel,  excised  at  haso,  the  joints 
heyond  snheqnal,  tlie  pennltiniate  at  least  thrice  as  long  as  thi(rk. 

A.  FI-OIUDANA,  sp.  nov. 

Aclista  rufa,  sp.  nov. 

9.  Length,  2.5'" ".  liufoi)i(eous,  the  head  dusky  or  blackish;  anten- 
na' and  legs  brownish  yellow.  Antenna"!  15-jointed,  elavate-nionilitbrni, 
the  lirst  flagellar  joint  slender,  not  (juite  as  long  as  tht'  i)edi('el,  which  is 
much  stouter,  the  Joints  beyond  all  in(»niliforni  and  much  enlarged 
after  the  seventh,  the  last  oblong.  Wings  snbhyaline,  the  marginal 
cell  entirely  wanting,  the  marginal  vein  about  twice  as  long  as  thick, 
the  stigmal  represented  only  by  a  stump  of  a  vein.  Abdomen  long, 
conic-ovate,  the  petiole  short,  not  longer  than  thick,  almost  smooth, 
the  seventh  segment  as  long  as  th'  fourth,  lifth,  and  sixth  united  and 
slightly  longer  tlian  the  eighth. 

Habitat. — Texas. 

T\q)e  in  Coll.  Ashmead. 

Aclista  rufescens,  sp.  nov. 

9.  Length,  3""".  Daik  brownish  piceous,  the  head  almost  black; 
antennae  and  legs  brownish-ycUow,  the  tbree  or  four  terminal  Joints  of 
the  antenna*  black. 

It  is  close  to  r»/rt,  but  differs  in  having  longer  and  more  slender 
antenna^,  the  scape  htnger  ami  slenderer,  the  pedicel  longer  than  the 
fli  st  flagellar  joint,  while  the  flagellum  is  longer,  the  joints  towards  apex 
not  so  large  or  transverse,  the  four  or  five  terminal  Joints  being  black; 
the  marginal  cell  is  entirely  wanting,  the  marginal  vein  being  puncti- 
form,  not  longer  than  thick;  the  abdomen  is  longer,  stouter,  and  more 
pointed,  the  seventh  and  eighth  segments  being  equal. 

Habitat. — Santa  Cruz  Mountains,  California. 

Type  in  Coll.  Ashmead. 

Described  fjom  a  single  specimen. 

Aclista  rufopetiolata,  sp.  nov. 
(PI.  XV,  Fig.  4,  9.) 

9  .  Length,  2.5'"'".  Black,  shining,  pubescent,  the  nietathorax  petiole 
apex  of  abdomen  rufous,  basal  joint  of  antenn.e  and  legs  pale  rufous. 

Antenufe  15-jointed,  clavateimmiliform,  the  first  flagellar  joint  is 
twice  as  long  as  the  pedicel,  the  joints  beyond  shorter,  all  moniliform. 

Wings  fuscous,  the  marginal  cell  open,  the  marginal  vein  half  the 
length  of  the  first  branch  of  the  radius  being  only  a  little  longer  than 
thick,  the  second  branch  of  radius  not  develoi)ed.     Abdomen  pointed 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.      ^77 

ovate,  the  petiole  stout,  not  longer  tlian  thick,  fluted,  the  sixth  autl 
seventh  segments  about  eijual,  the  eighth  shorter. 

Habitat. — Washington,  D.  C. 

Type  in  Coll.  Ashuiead. 

Aclista  missoiiriensis,  sp.  iiov. 

$.  Length,  2.8'"",  Polished  black,  sparsely  pubescent;  antennre, 
tegula»,  and  legs  brownish  yellow.  Anteuniii  14-jointed,  rather  stout, 
cylindrical,  tlie  first  Hagellar  Joint  Jis  long  as  the  scape,  the  basal  two- 
thirds  excised,  the  following  joints  very  slightly  shortened,  about  thrice 
as  long  as  thick.  Metathorax  earinated.  Wings  subhyalin<%  the  mar- 
ginal cell  i)artially  present,  the  marginal  vein  thrice  as  long  as  thick, 
the  first  branch  of  radius  oblique  and  short,  the  second  bianch  of  the 
radius  present  being  two-thirds  the  length  of  the  marginal.  Abdomen 
black,  tlie  second  segment  toward  the  base  moreor  less  rufous,  the  ]>etiole 
stout,  as  long  as  the  nu'tathorax,  rugose,  with  a  furrow  ahnig  the  sides. 

IlAlJITAT. — St.  liOuis,  Mo. 

Type  in  Coll.  Ashmead. 

Aclista  conica,  ap.  iiov. 

9.  Length,  2'""'.  Polished  black,  nearly  devoid  of  pubescence; 
antennae  and  legs  rufous.  Anteinne  15-jointed,  clavate  nioniliforin,  the 
first  flagellar  joint  nuich  more  slender  but  not  longer  than  the  pedicel, 
the  joints  beyond  sub  moniliform,  transverse  after  the  third,  the  ter- 
minal joint  oval,  longer  than  the  penultimate.     Metathorax  carinated. 

Wings  subhyaline,  the  marginal  cell  entirely  wanting,  the  marginal 
vein  more  than  thrice  as  long  as  thick,  the  first  branch  of  radius  short. 
Abdomen  conic-ovate,  the  petiole  short,  not  longer  than  thick,  with 
faint  raised  lines  but  not  distinctly  fluted,  the  sixth  and  seventh  seg- 
ments about  equal,  longer  than  the  preceding  segment. 

Habitat. — Arlington,  Va. 
■    Type  in  Coll.  Ashmead.  • 

Aclista  rugosopetiolata,  sp.  nov. 

9  .  Length,  2.G"'".  Polished  black,  pubescent;  the  thorax  rather  flat, 
the  scutellum  with  two  fovesi^  at  base  connected  by  a  grooved  line. 
Antenna',  IS-jointed,  very  stout  and  incrassated,  the  scape  nearly  half 
the  length  of  the  flagellum,  the  first  flagellar  joint  a  little  longer  than 
the  pedicel  and  as  stout,  the  remaining  joints  all  transverse-moniliform* 
the  last  oval.    Metathorax  rugose,  carinated. 

Wings  subhyaline,  the  marginal  vein  about  thrice  as  long  as  thick, 
the  stigmal  vein  short,  oblique,  ending  in  a  hook.  Abdomen  long-oval, 
pilose  toward  tip  and  beneath,  the  petiole  stout,  longer  than  thick, 
rugose  and  opaque,  with  a  (ihannel  along  the  sides. 

Habitat. — Arlington,  Va. 

Type  iu  Coll.  Ashmead. 


378  BULLETIN   4 -J,  UNITED    STATKS    NATIONAL   MUSEUM. 

Aclista  califoruica,  sp.  uuv. 

9.  Leiiffth,  2.5""".  Polished  black,  pubescent;  antemiic  black,  the 
])asal  5  joints  rufous;  leji's  lufous,  the  hind  co.xse  black  basally.  An- 
tenna' 15-jointed,  luonilitbini,  the  first  tlag:cllar  J()int  twice  tho  lenjitii 
of  the  pedicel,  the  second  shorter  than  the  ])cdicel,  the  joints  beyond 
moniliforni.  Metathoraxcarinated,  very  pubescent.  AVinjfs.subfnscons, 
the  marginal  vein  about  twice  as  long  as  thick,  the  stigiual  short 
oblique  with  a  hook  at  tij)  (all  that  remains  of  the  radius.)  Abdomen 
obloug-oval,  black,  the  tip  and  beneath  sparsely  pubescent,  the  petiole 
as  long  as  the  metathorax,  strongly  tinted. 

Habitat. — Santa  Cruz  Mountains,  California. 

Tyi)e  in  Coll.  Ashraead. 

Described  from  a  single  specimen. 

Aclista  borealis,  sp.  iiov. 

9.  Length,  2.0""".  Polished  black,  pui>escont;  antenna^  and  legs 
brownish-yellow.  Anteniiic  1.")- jointed,  tiliform-moniliform,  the  first 
flagellar  joint  one-third  longer  than  tiie  pedicel,  the  joints  beyond  the 
third,  except  the  last,  all  of  an  e(inal  size,  moniliform,  very  slightly 
wider  than  long,  tln^  last  one  thiid  longer  tiian  the  penultimate.  Wings 
subfuscous,  the  marginal  vein  about  as  long  as  the  stigmal,  the  latter 
oblique  with  a  slight  branch  at  tip.  Abdomen  pointed,  ovate,  black, 
shining  and  pubescent,  the  petiole  as  long  as  the  metathorax,  strongly 
fluted. 

Habitat. — Ottawa,  ( 'anada. 

Type  in  Coll.  Ashmea<l. 

Described  from  a  single  specimen. 

Aclista  floridana,  sp.  nov. 

S.  Length,  2,0'"'".  Polished  black,  pubescent;  antenna^  and  legs 
brownish-yellow.  AutenuiB  14-jointed,  setaceous,  the  first  flagellar 
joint  a  little  longer  than  the  scape,  excised  at  base,  the  following  joints 
gradually  subequal  to  thelast,  the  ])enultiniate  joint  being  about  thrice 
as  long  as  thick  and  shorter  than  the  last.  Metathorax  smooth,  shining, 
carinated,  the  central  carina  forked  from  the  middle.  Wings  sub- 
fuscous, the  marginal  vein  a  little  longer  than  the  oblique  stigmal.  the 
radius  (or  second  branch)  partially  developed,  as  long  as  the  stigmal, 
and  forming  an  open  marginal  cell.  Abdomen  oblong-oval,  black, 
shining,  the  tip  and  beneath  with  whitish  pile,  the  petiole  1^  times  as 
long  as  thick,  delicately  keeled  above  with  a  deej)  (ihannel  along  the 
sides,  the  seventh  and  eighth  segments  of  an  equal  length,  longer  than 
the  sixth. 

Habitat. — .Tacksonvillc,  Fla. 

Type  in  Coll.  Ashmead. 


MONOGRArH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E   379 

PSILOMMA  Foistcr. 
Hyiii.  Stml.,11,1).  132(1836). 
(>pti:on  Hal..  Nsit.  Hist.  Rev.,  iv,  p.  170  (1K57). 

Flead  .subfile )bose,  the  occiput  rounded,  the  ocelli  '.i  in  a  triangle;  eyes 
oval,  bare. 

Antennse  in  5  incrassated  toward  tips,  subnioniliforin,  the  scape  lonjj, 
the  pedii'el  shorter  than  tlie  first  tiajiellarjoint,  the  joints  beyond  trans- 
verse inoniliform,  the  last  oblon*'-;  in  i  14-jointed,  lilifonn,  the  pedicel 
rcmndcd,  the  first  tla{;<Mlar  joint  elongate,  cylindric,  the  second  shorter, 
slightly  excised  outwardly  at  base,  the  joints  beyond  to  the  last  short, 
scarcely  twice  as  huig  as  thick,  the  last  fusitorin,  longer  than  the 
penultimate. 

Mandibles  short,  p(>inted,  but  bifid  at  tips. 

Thorax  subovoid.  the  pronotuni  anteriorly  produced  iuto  a  slight 
neck;  uiesouotuui  with  two  furrows;  scutclluiu convex,  with  a  i>rotbund 
fovea  at  base  and  a  transver.se,  punctate  line  before  the  apex;  postscu- 
telluni  flat,  lugose;  nietathorax  carinated. 

Front  wings  pubescent,  fringed,  the  marginal  vein  punctiform,  the 
stignial  short,  with  a  long  ra«(ius  from  itstij),  fVn'ming  a  long,  lanceolate 
marginal  cell,  which  is  open  at  tip. 

Abdomen  conic-ovate,  subde])ressed,  tlie  i)etiole  long. 

Legs  long,  the  femora  swollen,  clavatc,  the  tibia'  subclavate,  the  tarsi 
shorter  than  their  tibia*  (except  the  anterior  pair),  the  basal  joint  short, 
not  twice  as  long  as  the  sec(md. 

Forster  indicated  no  type. 

Psilomma  columbiaiium,  sp.  iiov. 

(PI.  XV,  Fig,  r>,  9  ;  «,  (?  anotnna.) 

B  9.  Length,  3.G  to  4""".  Polished  black ;  an  ten  nfe  and  legs  rufous; 
teguhne  yellow.  Antennje  in  9  15-jointed,clavate  subnioniliform,  the  tirst 
flagellar  joint  a  little  longer  than  the  pedicel,  the  following  to  the  last 
transverse-subraoniliform,  the  last  the  stoutest,  conic;  in  3  14-jointed, 
filiform,  the  pedicel  small,  round,  the  first  flagellar  joint  the  longest, 
about  3i  times  as  long  as  the  pedicel,  the  second  slightly  shorter,  the 
renmining  cup-shai)ed,  loosely  articulated.  Thorax  narrowed  l)efore, 
with  two  broad  furrows,  the  si'utellum  foveated  at  base,  the  nietathorax 
subquadrate,  rugose.  Wings  subfuscous,  the  marginal  vein  puncti- 
form, the  fiist  branch  of  radius  very  short,  the  second  branch  visible  as 
a  long  fiisciuis  streak,  forming  a  very  long,  lanceolate,  open  marginal 
cell.  Abdomen  conic-ovate,  i)ilose  beneath  and  toward  tip,  black, 
smooth,  and  shining;  the  i)etiole  long,  finely  roughened,  witli  a  channel 
at  the  sides,  t»'    'tnal  segment  luinctate. 

Habitat.—  ington,  D.  C. 

Types  in  Co  imead  and  !N^ational  Museum. 

Described  iroii      9  and  2  $  specimens. 


380  BULLETIN    15,  UNITED    STATES   NATIONAL    MUSEUM.       - 

ISMARUS  Halidiiy. 
Nut.  Hist.  Rev.,  iv,  p.  IfiJt  (1857). 
Entomiita  H.  Sehf.,  Num.  Ent.,  ii. 

(Typ*'  T-  (lofHujer  Curtis.) 

Head  transverse,  much  wider  than  tlie  thorax,  the  occiput  rounded; 
ocelli  3,  triangularly  arrauj;ed;  eyes  rcumded,  bare. 

Antenna?  in  9  L~)  jointed,  subnioniliform;  in  S  l4-jointed,  filiform, 
the  fourth  joint  excised  at  base. 

Maxillary  palpi  4-jointed;  labial  palpi  3-jointed. 

Mandibles  short,  arcuate,  bidentate. 

Thorax  subovate,  the  pronotum  visible  from  above,  the  anterior 
an gfles  straight;  mesonotuin  without  furrows;  scutellum  convex,  mar- 
gined at  sides  and  with  a  fovea  at  base;  metathorax  short,  rugulose, 
the  angles  unarmed. 

Front  wings  pubescent,  with  a  small,  triangular,  closed  marginal  cell 
and  a  basal  cell;  the  marginal  vein  is  longer  than  tlie  marginal  cell. 

Abdomen  ovate  or  oval,  the  petiole  short,  only  a  little  longer  than 
thick,  the  secoiul  segment  large,  occupying  about  half  of  the  remain- 
ing surface,  with  a  median  sulcus  at  base,  tlie  following  segments 
short,  about  equal. 

Legs  moderate,  pilose  or  ])ubescent,  the  hind  tarsi  not  longer  than 
their  tibiae,  the  basal  joint  three  times  as  long  as  the  second. 

This  genus  is  not  found  in  our  fauna.  On  PI.  xv,  Fig.  (>,  I  figure 
the  male  of  Ifunarus  ruyulosiis  Fiirst.,  to  give  our  students  some  idea  of 
the  genus. 

ANOMMATITTM  Ffirster. 
Hym.  Stud.,  ii,  pp.  130  ot  140  (1856). 

Head  subglobose,  without  ocelli ;  the  eyes  rounded,  pubescent. 

Antenna?  inserted  on  a  frontal  prominence,  in  9  14-jointed,  incras 
sated  toward  tips,  the  last  joint  strongly  developed,  nearly  round,  and 
much  thicker  than  the  penultimate. 

Thorax  as  in  Aciista. 

Wings  entiiely  wanting. 

Abdomen  ovate  cr  conic,  the  petiole  a  little  longer  than  thick. 

Legs  of  moderate  length,  the  femora  clavate,  the  tarsi  not  especially 
long,  joints  2  to  4  gradually  subequal,  the  last  joint  as  long  as  the  two 
preceding;  claws  stout. 

The  type  of  this  genus  is  not  mentioned  by  Forster  and  the  genus  is 
not  yet  recognized  in  our  fauna. 

T^"""  ANECT  AT  A  Forster,  ^^ ;--.  2i;_^!: 

Hym.  Stud.,  n,  p.  130  (1856). 

Head  transverse  or  subglobose;  ocelli  3,  close  together,  in  a  triangle; 
eyes  oval,  pubescent. 


MONOOKAPH  OF  THE  NORTH  AMERICAN  PKOCTOTllYriD^..      381 

Autennsp  inserted  ou  a  frontal  prominence,  14  jointed,  filiform  in  both 
sexes,  or  in  9  sometimes  slij^btly  incrassated  toward  tii>s,  the  joints,  for 
the  most  part,  moniliform  or  submonilifonn,  the  last  conic  or  ovate;  in 
the  (?  the  joints  are  cylindrical,  the  first  fia^ellar  joint  the  longest  and 
usually  excised  at  base. 

Thorax  as  in  Ciiiefiix. 

Wings  pubescent,  with  a  basal  cell  and  a  closed  marginal  <ell,  the 
stigmal  vein  usually  oblique  (rarely  straight),  the  marginal  vein  very 
short,  seldom  much  longer  than  the  stigmal. 

Abdomen  obovate  or  conic,  the  i)etiole  two  or  thret^  times  as  long  as 
thick,  the  sec(md  segment  with  a  longitudinal  sulcus  at  base. 

Legs  as  in  Aclista,  the  basal  joint  of  hind  tarsi  less  than  three  times 
as  long  as  the  second ;  tibial  si)urs  short,  but  distinct. 

No  type  seems  to  have  been  described  or  indicated  by  Forster,  but 
the  genus  is  a  valid  one,  readily  distinguished  by  the  14-jointed  antenna? 
in  female,  and  the  closed  marginal  cell. 

Only  two  other  genera  have  14  jointed  autenuie  in  the  9,  viz, 
Anommatium  and  Pantolyta  ;  the  former  is  wingless  and  without  ocelli, 
the  latter  winged  but  without  a  marginal  <'ell. 

TABLE   OF   SPECIES. 

All  cox.T  ])ale 2 

Hiud  coxif  black;  ]c<>s  rcddish-ye'llow. 
Antoniiji'  tlavatc-inonilifoiin,  black,  the  tip  of  scapo  and  pedicel  rufouH,  9  . 

Maifjiiial  cell  not  twice  asloiif^as  tlic  niarutinal  vein..  A.  camfohnica,  sp.  iiov. 
Antenna'  lililorui,  fuscons,  base  and  tip  of  scape,  pedicel,  and  base  of  first  Hajj- 
ellar  joint  yellowi.sh,  ^  . 
Marginal  cell  more  than  twice  as  long  as  the  marginal  vein. 

A.  POLiTA,  sp.  nov. 
2.  Antenna-  rnfons,  fuscous  toward  tips. 

Antenna-  tilifonu,  subnroiiiliform,  the  first  flagellar  joint  thrice  as  long  as  the 
pedicel,  the  following  subeciual,  the  three  preceding  the  last  monili- 
form, 9 . 

Marginal  cell  twice  as  long  as  the  marginal  vein A.  hirtikuoxs  Ashm. 

Antenna-  setaceous,  fuscous,  yellowish  basally,  the  first  flagellar  joint  a  little 
shorter  than  the  scai)e,  excised  at  base,  the  joints  beyond  gradually 
shortening,  the  penultimate  2|  times  as  long  as  thi(-k,  <?  . 
Marginal  cell  more  than  twice  as  long  as  the  marginal  vein. 

A.  <;K.t)RuiCA,  sp.  nov. 

Anectata  califoruica.  sp.  nov. 

9 .  Length,  2"'".  Polished  black ;  tip  of  scape,  pedicel  and  legs, 
rufous  or  reddish  yellow.  Antennae  14  jointed,  gradually  incrassated 
toward  tips,  moniliform;  the  pedicel  and  first  flagellar  joint  of  an  equal 
length ;  the  joints  beyond  to  fifth  subequal ;  joints  5  to  8  rounded ;  8  to  1 1 
transver.se  moniliform;  the  last  cone-shaped,  twice  as  long  as  the  penul- 
timate. Wings  subhyaline,  the  venation  brown,  the  marginal  cell  less 
than  twit'C  as  long  as  the  marginal  vein;  the  first  branch  of  radius 
oblique,  about  half  the  length  of  the  marginal.     Metathorax  carinated. 


382  BULLETIN    45,  UNITED   STATES   NATIONAL    MUSEUM. 

Abdomen  sliiiiinj?  black,  iinpmicturod,  with  sonu' sjjarse  pile  toward 
the  apex  and  beneath;  the  petiole  slightly  longer  than  the  inetathoiax, 
strongly  tinted. 

Habitat. — Santa  Crnz  Monntains,  California. 

Type  in  Coll.  Ashmead. 

Aiiectata  polita.  sp.  iiov. 

S  .  Length, 3'"".  J'olished  black, i)ubes(ent;  antenna' fiis<'ons,  tipof 
scape,  i)e«licel,  and  base  of  first  Hagellar  joint  yellowish;  legs  brownish- 
yellow;  the  middle  and  posterior  coxa'  black  basally;  mandibles  rufous. 

Antt^nna'  broken  off  at  tips,  tln^  scapt^  a  little  longer  than  the  pedi- 
cel and  first  funiclar  Joint  together,  the  first  funi<lar  joint  more  than 
one-third  longer  than  the  second,  excised  at  basal  half. 

Wings  hyaline,  the  marginal  cell  more  than  twice  as  long  as  the  mar- 
ginal vein ;  the  first  branch  of  ratlins  nearly  straight,  one-third  shorter 
than  the  marginal.  Abdomen  as  long  as  the  head  and  thorax  together; 
the  petiole  strongly  fluted,  a  little  longer  than  the  nietathorax,  the  sec- 
ond ventral  segmeni  w  ^h  distinct  punctures  toward  the  base. 

Habitat.— West  Cliff,  Colo. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  si)ecinu'n  retieived  from  Mr.  T.  D.  A.  Cock- 
erell. 

Auectata  hirtifroiis  Ashin. 

(Fl.  XV,  Fif.-.  s,  9.) 

Can.  Eiit.,  XIX,  p.  198. 

9.  Length,  3""".  Black,  shining,  pubescent;  the  face  with  rather 
dense  whitish  pubescence;  antenuje  rufous,  a  little  dusky  at  tips;  legs 
pale  rufous  or  brownish-yellow.  Antenna'  subfllitbrm,  14-jointed;  scape 
slightly  bent,  nearly  thrice  as  long  as  the  first  flagellar  joint;  pedicel 
not  longer  than  thick ;  first  flagellar  joint  a  little  longer  than  the  .second, 
the  following  gratlually  shortened  to  eighth,  the  three  i)rece(ling  the  last 
very  slightly  wider  than  long,  thelast  oblong.  Wings  hyaline,  thei)ubes- 
ceuce  fuse(ms,  the  marginal  vein  one-half  the  length  of  the  marginal 
cell,  the  first  branch  of  the  radius  straight,  one-half  shorter  than  the 
marginal  vein.  Abdomen  a  little  shorter  than  the  head  and  thorax 
together,  with  the  tij*  turned  upw .  rd,  covered  beneath  and  at  apex  Avith 
a  whitish  pubescence;  petiole  as  \on^  as  the metathorax,  strongly  fluted. 
Habitat.— Ottawa,  Canada.  .  '.v 
Type  in  Coll.  Ashmead.  i^^  -  ^ 
The  only  specimen  I  possess  or  have  seen  of  this  species  was  received 
some  years  ago  from  Mr.  W.  Hague  Harrington.  

Anectata  georgica,  sp.  nuv. 

« 

S .  Length,  3^""".  Polished  black,  with  a  sparse  white  pile ;  an- 
tenna?  rufous;  legs  au  ^  tegulje  brownish-yellow.     Antennae  15-jointed, 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PUOCTOTRYPIDiE,     383 

loiijf,  setaceous;  the  first  fliigellar  joint  nearly  as  loiij;  as  the  scai)€, 
strongly  excised  at  base;  the  joints  l)eyoiul  shorter,  very  gradually 
shortened ;  the  i>enultiinate  joint  tiiri«*e  as  long  as  thick,  the  last  slightly 
longer.  Metathorax  sin(K»th,  shining,  <'arinated.  Wings  subhyal'ne, 
the  venation  pale  brown,  tlie  marginal  cell  2h  times  as  long  as  the 
marginal  vein,  the  first  branch  of  the  radius  very  ol»li(|ue,  a  little  shorter 
than  the  marginal  vein.  Abdonu'ii  black,  polishe<l,  i)ilos«'.;  the  petiole 
longer  than  the  metathorax  or  a  little  more  than  twite  as  long  as  thick, 
strongly  tinted. 

1 1  ABIT  AT.— (Georgia. 

Type  in  Coll.  Ashmead. 

PANTOLTTA  Fr.ist.r. 
Hyni.  Stiul.,  ii,  ]>.  130  (1K")<)). 
(T>»|»e  Behjia  hclerocera  Hal.) 

Head  sidtglobose,  the  face  ])roduced  into  a  ledge  for  the  insertion  of 
antenna";  ocelli  minute;  eyes  rounded. 

Antenna'  inserted  on  a  frontal  prominence;  in  9  14-jointed  sub- 
moniliform;  the  pedicel  larger  and  stouter  than  the  first  flagellar  joint; 
in  S  ,  filiform. 

Maxillary  jtalpi,  5-jointcd;  labial  pali)i,  .'i  jointe<l. 

IVIandibles  bifid  at  tips,  siibn>stritnrm. 

Thorax  as  in  Aiiectata. 

Front  wings  pultescent,  with  a  distinct  basal  cell,  but  without  a  mar- 
ginal cell;  the  marginal  vein  variable,  punctiform,  or  as  long  as  the 
l)asal  nervur<'. 

The  radius  always  short,  l)ut  slightly  developed. 

Abdomen  conic-ovate,  the  ]tetiole  short. 

Legs  as  in  Anectata,  the  femora  and  tibiae  clavate,  i)ilosc. 

This  genus  very  closely  resembles  X*o////>e^yt  Forster  in  the  IHaprUnce^ 
but  that  genus  has  no  basal  cell  in  the  hind  wings. 
The  following  siMJcies  is  the  only  one  as  yet  detected  iu  our  fauna: 

Fautolyta  bruniiea,  np.  nov. 
(PI.  XVI,  V\^.  1,  9.) 

9.  Length,  2'"'".  Light  brown  to  brownish  yellow;  antennae  and 
legs  pale  brownish-yellow;  eyes  dark  brown,  rounded.  Head  globose, 
the  face  with  a  prominejit  frontal  ledge  for  the  iuvsertion  of  anteuuai, 
the  occiput  rounded;  nnmdibles  subrostriform,  conical,  bifid  at  tips. 
Antennie  four-fifths  the  length  of  the  body,  clavate,  gradually  incras- 
sated  towards  tips,  pubescent,  the  joints,  after  the  sixth,  moniliform; 
scape  long,  cylindrical,  slightly  bent,  and  nearly  half  the  length  of  the 
flagellum,  the  apical  margin  beneath  produced  into  a  miuute  spine; 
pedicle  oblong,  stout;  first  funidar  joint  the  slenderest  and  longest 
joint,  obconical,  about  three  times  as  long  as  thick  at  tip;  second 
funiclar  joint  abcmt  two-thirds  the  length  of  the  first;  the  third  stijl 


384  BULLETIN   45,  UNITED    STATES    NATIONAL    MTSKIIM. 

sliortvr  but  stoiitci-;  iill  joints  boyoiul  iiioiiililoriii,  yriidiially  iiKicasinof 
in  size.  Thorax  siihnvate,  smooth,  shiiiinji',  tiapt'zoi dally  narrowed 
anteriorly  from  the  tefiuhe;  mesonotum  about  aa  lonj;  as  wide  a<-ross 
the  base,  the  i)arai)sidal  furrows  being  distinct,  the  middle  lobe  at  base 
beinj;'  one-third  shorter  than  at  apex;  seutellum  deeply  foveated  at 
base;  p<tstscutellum  sliort  with  a  median  carina;  metanotum  as  lonp;  as 
the  seutellum,  areolated.  Wings  Jiyalinc,  covered  with  a  long  pubes- 
cence, the  venation  pale;  the  nuuginal  Ncin  is  as  long  as  the  basal;  the 
postmarginal  not  at  all  deveh>ped;  the  ra<lial  vein  small,  the  Jirst  ab- 
scissa being  scarcely  twice  as  long  as  thick,  while  the  second  abscissa 
is  much  longer,  and  extends  forward  parallel  with  tlui  outer  nuirgin  of 
the  wing,  leaving  very  little  space,  so  that  there  is  scarcely  any  trace 
of  the  marginal  cell.  Legs  pi los«',  the  femora  and  tibiic  strongly  cla- 
vate.  Abdomen  conic  ovate,  the  tip  conieally  ]»ointed  and  ciuving 
downwards;  petiole  scarcely  twice  as  long  as  thick. 

Habitat. — Arlington,  Va. 

Type  in  Coll.  Ashmead. 

It  bears  a  close  resemblance  to  Polypcza  1 'ergon (hi, '.nu\  w\t\i(mt  a 
careful  examination  for  the  cell  in  the  hind  wing  could  easily  be  con- 
fused with  that  species. 

Subfamily  X.— I )IAPlillN.E. 

Head  globose  or  snbglobose,  rarely  oblong.  Ocelli  3,  close  together, 
and  triangularly  arranged.  Mandibles  most  frecpicntly  short,  obtuse, 
bidentate  at  apex,  rarely  rostriform.  Maxillary  palpi  4- or  o-jointed; 
labial  paljd  2 jointed.  Antenna'  [)orrect,  inseitcil  on  a  frontal  pr<)mi- 
nenee,  in  males  1.J-  or  l4-jointed,  filiform,  nodose  verticillate  or  monili- 
foim;  in  femalesl2-or  13-Jointed,  andina  single  case  I4-Jointed,  t'lavate. 
Pronotum  s<*arcely  visible  from  above;  mesonotum  rarely  longer  than 
wide,  and  with  or  w'ithont  furrows;  seutellum  most  fre<iuently  convex, 
and  foveated  at  base;  metathorax  short,  emarginate.  Front  wings 
str<mgly  fringed,  niost  frecpieiitly  without  distinct  cellules,  the  margiinil 
nervure  punctiiV>rm  or  wanting;  hind  wings  never  with  a  basal  cell,  vein- 
less.  Apterous  forms  frecpient.  Abdcunen  suV)petiolate,  rarely  Mitli  a 
very  long  petiole,  ovate,  conic-ovate,  or  oblong-oval,  composed  of  7  or  8 
segments,  the  second  always  large.  Legs  clavate,  the  tibial  spurs 
1,  2,  2,  the  middle  and  posterior  i>airs  usually  weak;  tarsi  long,  slender, 
5  jointed,  claws  simple. 

This  subfamily  could  only  be  confounded  with  the  Hrlytina;  but  the 
2-jointed  labial  palpi,  the  absence  of  a  cell  in  the  hind  wings,  and  the 
less  distinctly  veined  front  wings  readily  separate  it.  The  habitus, 
except  in  a  few  genera,  is  also  quite  different;  the  frontal  promiiience 
is  rarely  so  distinct,  the  antenme  in  the  female  are  shorter,  more  dis- 
tinctly clavate,  the  venation  in  front  Avings  quite  different,  while  the 
abdomen  is,  as  a  rule,  less  distinctly  pointed,  and  most;  frequently  with 
a  much  shorter  petiole. 


MONOGRAl'H  OF  THE  NORTH  AMKKICAN  PKOCTOTRVPID.E.     385 

The  only  yeiieia,  i>rol)abl.v,  that  woiihl  jiive  the  student  troiihh^  in 
l>lacing,  are  iSi/nacrti  and  I'ohipeza.     TXw  first  mentioned  was  oiij^jinally 
phioed  by  PTnster  in  tlie  Ilrli/tinw,  as  the  venation  is  more  stronjrly  de 
veloped  than  in  any  other  Diapiiid,  and  the  al)(h>men  is  shaped  as  in 
many  of  tiie  Belytids,  but  there  is  no  hosnl  ct-ll  in  the  hi  ml  irintfs. 

Litbonceiida  Westw.,  Thes.  Ent.  Oxon.,  p.  171,  is  not  included  in  the 
table  of  genera,  as  I  believe  it  to  b«^  a  Cynipid  genus. 

While  comparatively  little  is  yet  known  of  the  habits  of  the  greater 
number  of  the  Diaprina.,  from  such  as  have  beea  reared  we  are  justi- 
fied in  stating  the  group  is  jiarasitic  otdy  on  Dipterous  larva*,  as  all 
carefully  bred  specimens,  both  in  Europe  and  America,  have  been 
reared  only  from  these  insects.  Piopria  meUinovorjipha  iJatz.  is  re- 
cohUmI  as  having  been  bred  from  ('rifpforhynchus  hqntfhi,  and  EntomociH 
vordipennmYmstevhinn  a  spider's  nest;  but  we  know  now  that  various 
Dipteia  are  frmnd  in  the  burrows  of  Khynchophora  and  other  wood- 
b<uing  Coleoptera  and  that  certain  Diptera,  'copis,  etc.,  are  jiara- 
sites  of  spiders,  and  it  is  sate  to  infer  tiiat  these  niapriids  came  from 
Dipterous  parasites  overlooked  by  Katzeburg  and  Fiirster. 

The  group  may  be  divided  conveniently  into  two  tribes,  as  follows; 

Siibiiiarginal  vein  roach  ingtho  costa  at  about  half  the  h-ngtli  of  the  wing  or  a  little 
Itefore;  if  it  dctesnot  reach  the  costa  it  attains  nearly  half  the  length 
of  wiug  and  euils  in  a  stigma;  costal  cell  mosttrecincntly  closed. 

Tribe  I — Hi'ir.oMic  RiNi 

Siibmargiual  vein  never  reaching  the  costa  beyond  ois.  -third  the  length  of  the  wing; 
costal  cell  most  fre(iuently  open,  or  the  subcosxal  and  costal  iicrvnres 
are  coutlnent Tribe  II — Diavkiini 

Tribe  I — Spilomicrini. 

The  longer  submarginal  vein,  that  almost  invariably  rejiches  the  costa 
at  about  half  its  length,  and  the  closed  (rarely  opeji)  costal  cell  cau  be 
depended  upon  to  distinguish  the  genera  iu  this  tribe;  it  is  only  in 
two  genera,  Aneurhynchm  and  Laholips,  that  the  submarginal  vein  does 
not  reach  the  costa,  but  even  iu  these  genera  it  is  long  and  terminates 

in  a  stigma. 
The  genera  are  not  numerous  and  may  be  synoptically  represented 

as  follows : 

TABLE   OF   GENERA, 

FEMALES. 

1.  Antennte  14-.joiuted ;  mesonotuui  with  2  furrows Polypeza  Fiirster 

AntenuiP  12-jointed 3 

AntenuiB  13-jointed. 

Mesoiiotiim  without  furrows  (rarely  slightly  developed  posteriorly) 2 

Mesonotuiu  with  2  distinct  furrows. 

Metathorax  armed  with  a  long  curved  spine  at  base Hoplopria  Ashm. 

--—.        Metathorax  not  armed  at  base  with  a  curbed  spiue.  ^.  ,.  ■ 

Basal  nervure  absent  or  subobsolete. 

Abdomen  rounded  or  trun«ate  at  tip ;  costal  cell  open ;  stigmal vein  often 

with  a  backward  directed  branch Hemilkxis  Forst. 

Abdomeu  conically  pointed |  costal  cell  closed;  stigmal  vein  simple. 

Paham&sius  Westw, 

21899— No.  45—25 


386  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

liasal  neivure  present. 

Abilouicu  coniciilly  poiiite<l,  tht;  second  sej^nient  witlnmt  sulci  at  base,  ovcr- 
lai>i)in,i;  the  ajux  of  petiole;  marginal  iicrviire  distinct;  costal  cell 

closed SriLoMiCiU's  Wcstw. 

Abdomen  roun<le«l  or  truncate  at  a2>ex,  the  second  segment  with  sulci  at 
base;  marginal  ncrvure  very  short;  costal  cell  usually  open. 

1IE.MILKXIS  Forster 

2.  Biisal  nervure  wanting;  stigmal  nervure  longer  than  the  marginal. 

HiCMiLEXODKS  Ashm.,  gen.  nov. 

3.  Sulimargiual  nervure  not  attaining  the  costa,  ending  in  a  stigma 5 

Submarginal  nervure  attaining  the  costa. 

Wings  with  a  hisal  nervure 4 

Wings  without  a  basal  nervure. 
^lesonotum  with  2  furrows. 

Clul>  ■">- jointed Synacka  Fiirster 

Club  4 -jointed (Jly  tonota  Fiirster 

4.  Mesonotum  without  furrows. 

("lub  abrui>t,  li-jointcd;  face  keeled  at  the  sides..  Tkopidopsis  Ashm.,  gen.  nov. 
Musonotum  with  2  furrows. 

Club  o-jointed liuorvi'A  Forster 

5.  Mesonotum  with  2  furrc  ws. 

Stigma  with  a  stigmal  vein;  abdomen  witli  S  sulci  at  base. 

Ankukhynchus  Westw. 
Stigma  without  a  stigmal  \ cin  ;  abdomen  witli  a  single  sulcus  at  base. 

Labolits  llaliday 

MALKS. 

Antenna'  14 -jointed 3 

Antenna'  l.S-jointed. 

Mesonotum  without  furrows 2 

Mesonotum  with  furrows. 

Metathorax  armed  at  base  with  a  curved  spine. 

Flagellar  joints  very  long,  cylindrical Hoi'Loi'KiA,  Ashm.,  gen.  nov. 

Metathorax  not  arine«l  at  base  with  a  curved  spine. 
First  flagellar  joint  not  half  as  long  as  the  secoml. 

Masai  vein  absent ;  costal  cell  closed Pakamesius  Westw. 

First  flagellar  joint  as  long  or  longer  than  the  second. 
Jlescuiotuiri  not  longer  than  wide. 
Costal  cell  open;  basal  nervure  present. 

Stigmal  vein  much  longer  than  the  marginal Hkmilkxis  Forster. 

M«'sonotum  longer  than  wide. 

Costal  cell  closed;  basal  nervure  present. 

Abdomen  with  sulci  at  base Idiotv  i-a  Filrster. 

Abd(uuen  without  sulci  at  base Sl'iLOMlCKUS  Westw. 

2.  Hasal  newiin^  |)res<'nt;  costal  cell  closed. 

Base  of  second  segnn^nt  overla]»]»ing  the  ap<'x  of  i»eti(de (Simi.oMICRUS.) 

Hasal  nerv:  .o  absent;  costal  cell  open  or  at  least  «»peu  iit  base. 

Flagellar  joints  long,  cylindrical,  pilose,  the  lirst  longer  than  the  second. 

Hkmilkxoiiks  Ashm.,  gen.  nov. 

3.  Submarginal  vein  not  'eacliiug  the  costa,  ending  in  a  stigma 4 

Subuiiirgiual  vein  reaching  the  costa. 

iJasal  nervure  wanting. 
Mesonotum  with  2  furrows. 

Eyes  hairy Synacka  Forster. 

Mesonotum  without  furrows. 

Flagellar  joints  elliptic-oval Tr(»I'II>oi\sis  Ashm.,  gen.  nov. 

4.  Stigma  with  a  stigmal  vein Aneukhvnchus  Westw. 


MONOGKAPH  OF  THE  NORTH   AMERICAN  rUOCTOTKYPID^E.      387 

POLYPEZA  Forsttr. 
Hym.  Stud.,  ii,  ]>.  123  (185fi). 

Head  jjlobose,  rounded  before  and  behind,  the  occiput  not  margined; 
ocelli  3,  triangularly  arranged;  eyes  rounded,  pubescent. 

Antennae  14-.jointed,  inserted  on  a  frontal  prominence;  in  ?  sub- 
moniliform,  gradually  incrassated  toward  tips;  in  ?  filiform,  the  joints 
cylindrical. 

Mandibles  subrostriforni,  bidentate. 

Maxillary  i)alpi  3  jointed:  labial  palpi  2-jointod. 

Thorax  ovate,  narrowed  into  a  short  rounded  collar  anteriorly;  mes- 
onotuni  with  two  furrows;  scutellum  rounded,  convex,  with  a  deep 
fovea  at  base;  nietiithorax  with  a  central  longitudinal  carina. 

Front  wings  pubescent,  ciliated,  the  subinarginal  nervure  reaching 
the  costa  at  about  half  its  length,  the  marginal  nervure  distinct,  post- 
marginal  and  stigmal  nervures  very  minute,  scarcely  developed ;  basal 
nervure  distinct. 

Abdomen  conic  ovate,  petiolated,  the  petiole  as  long  as  the  metano- 
turn ;  ovipositor  prominent. 

Legs  clavate,  pilose,  the  tarsi  fully  as  long  or  longer  than  the  tibise, 
5-jointed,  the  basal  Joint  of  hind  tarsi  fully  3  times  as  long  as  the  second. 

This  genus  is  the  only  one  in  the  tribe  with  14-.jointed  antenuai  iu 
the  $  and  closely  resembles  a  belytid,  without  a  marginal  cell. 

Polypeza  Pergandei,  sp.  iiov. 
(PI.  XVI.  Fijj.  2,  9.) 

S  9.  Length,  1  to  1.2""".  Polished  black;  metathorax,  petiole, 
and  base  and  tip  of  abdomen  dull  rufous,  or  piceous.  Antenna*  in  9 
14-jointed,  submoniliform,  gradually  incrassated  toward  tips;  pedicel 
longer  ami  thicker  than  the  tirst  flagellar  Joint;  second  and  third 
flagellar  Joints  shorter  than  the  first,  the  Joints  beyond  monilifprm; 
in  S  14-Jointed,  long,  flhform,  fuscous,  the  first  flagellar  Joint  tUrice  as 
hmg  a3  the  jjedicel. 

Thorax  with  2  distinct  furrows;  scutellum  convex,  with  a  deep  de- 
pression at  base ;  metathora  short,  smooth,  but  bounded  by  a  carina 
behind.  Teguhe  yellowish.  Wings  hyaline,  pubescent,  very  broad, 
and  with  a  long  fringe  at  the  margins;  the  submarginal  vein  reaches 
the  costa  a  little  before  the  middle  of  the  wing;  the  marginal  vein  is 
rather  long,  linear;  stigmal  vein  short,  with  an  uncus  at  tip  and  a 
slight  indication  of  a  backward  directed  branch;  basal  cell  distinct. 
Legs  honey-yellow,  the  femora  and  tibia*  slightly  infuscated.  Abdo- 
men conic-ovate,  petiolated;  the  petiole  twice  as  long  as  thick,  stiiated; 
the  second  segment  occupies  most  of  the  remaining  surface;  segments 
3  to  6  very  short,  the  seventh  conically  pointed,  longer  than  segments 
3  to  «  united. 

Habitat. — Arlington,  Va. 

Types  iu  Coll.  Ashmead. 


388  BULT.ETI]S    4.-.,  UNITED    STATES   NATIONAL    MUSEUM. 

Described  from  four  specimens. 

This  interest!  11  jLf  species  is  dedicated  to  my  friend  Mr.  Thco.  Per- 
gaiide,  to  whom  I  am  indebted  for  two  (►f  the  four  specimens. 

HOPIiOPRIA  AsLni.,  gen.  nov. 
(Type  //.  puUhripeinns  Asbm.  ) 

This  o-enus  is  founded  upon  a'  South  American  species  in  the  Berlin 
Museum,  and  is  clearly  allied  to  Paramcsiim  Westwood,  but  differs  in 
having  a  curved  acute  spine  at  the  base  of  the  metathorax  and  in  hav- 
ing only  4-,jointed  maxillary  palpi.  The  joints  of  the  autennie  are  also 
much  longer  than  any  other  Diaiuiid  genus. 

H.  pulchripennis,  sp.  nov. 

$.  Length,  about  4""".  Black;  antenna',  legs,  and  abdomen  ferru- 
ginous, the  latter  dusky  at  apex.  Head  opaque,  tinely  shagreened ; 
cheeks,  prothorax,  met;  horax,  and  the  petiole  beneath,  woolly.  An- 
teun;c  13-jointed,  longer  than  the  body;  the  first  Hagellar  joint  about  as 
long  as  the  scape,  the  second  very  slightly  shorter,  the  following  about 
equal,  all  cylindrical.  Thorax  smooth,  shining,  bisulcate;  scutellum 
with  two  large  deep  fove;e  at  base;  metathorax  armed  at  base  with 
a  curved  acute  spine.  Wings  hyaline,  with  a  large  smoky  blotch  ex- 
tending from  near  the  base  to  one-third  the  lengtli  of  the  wing,  having 
4  rays;  one  ray  extends  to  the  stigma  and  another  beyond  this  to  the 
costal  margin,  and  opposite  these  are  the  other  two  which  extend  to  the 
hind  margin;  there  is  also  a  smoky  spot  at  tlie  ajjex  of  the  wing. 

Habitat. — Bogota . 

Type  iu  Berlin  Museum. 

HEMILEXIS  Forstcr. 
Hym.  Stud.,  ii,  p.  123  (1856). 

Eniomacis  Fiirst.  loc  cit.,  p.  121. 

(ilifphidoima  Hal.  Nat.  Hist.  Rev.,  iv,  p.  172  (1857). 

Head  transverse  or  subglobose,  the  occiput  rounded,  the  cheeks 
bare;  ocelli  3  small,  in  a  triangle;  eyes  bare. 

AnteniiiB  inserted  on  a  slight  frontal  prominence,  13-jointed  in  b.  i  i 
sexes;  in  9  submoniliform,  incrassated  toward  tips  or  clavate;  iu  S  lili 
form,  the  first  and  second  luniclar  joints  elongate,  the  second  the  shorter 
and  thicker,  slightly  curved,  the  following  oval  or  oblong  oval. 

Maxillary  palpi  o-joiuted. 

Thorax  ovoid,  the  prothorax  produced  into  a  little  neck  anteriorly, 
scarcely  visible  from  above;  mesonotum  short,  rounded  before  with 
two  furrows,  tlie  furrows  sometimes  abbreviated  anteriorly,  but  rarely 
entirely  wanting;  scutellum  with  a  moderately  dee]>  fovea  at  base;  meta- 
thorax short,  subemarginate.  the  angles  not  acute. 

Front  wings  pubescentj  strongly  ciliated  and  often  emarginate  at  apex ; 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     389 

tbesnbniargiual  vein  teriiiiuates  in  ji  short  orpunctiforin  marginal  vein 
Just  before  the  middle  of  the  wiug;  and  there  is  a  distinct  oblique  stigma) 
vein,  usually  three  times  as  long  as  the  marginal,  with  som«'times  a 
distinct  backward  directed  branch;  the  costal  cell  is  ojk'U  ana  the  basal 
uervure  is  present,  although  faint  or  subobsolete. 

Abdomen  hmg-oval,  subtruncate  or  bnt  slightly  i)ointed  at  apex,  the 
petiole  in  the  ?  is  usually  short,  in  the  $  long,  woolly,  or  i)ubescent; 
the  second  segment  occupies  most  of  the  remaining  surface  and  has 
sulci  at  base  above. 

Legs  davate,  pubescent,  or  pilose,  the  basal  joint  of  i>osterior  tarsi 
twice  as  long  as  the  second. 

Dr.  Forster  erected  the  genus  Entomacis  upon  specimens  with  a 
"  heart-shaped  i)iece*'  cut  out  of  the  apex  of  the  front  wing,  but  this 
character  in  itself  will  not  hold  to  found  a  genus,  and  I  have  here  joined 
it  to  Hemilexis,  as  I  can  find  no  other  character  to  separate  them.  1 
have  species  with  emarginate,  slightly  emarginate,  and  entire  wings, 
but  in  all  other  essential  characters,  viz,  the  13-jointed  antenna'  and 
two  furrows  on  the  mesonotum,  they  agree  with  Hemilexis,  so  that  if  I 
have  properly  identified  these  genera  they  should  be  united. 

Nothing  is  known  of  the  parasitism  of  the  genus,  except  what  Yots- 
ter  tells  us:  that  he  bred  specimens  of  an  Enfoitiacis  from  a  sjjider's 
nest.  In  all  ])robability  the  spider  was  already  infested  with  a  Dipter- 
ous parasite,  Leucopis  sp.,  and  the  Diapriid  came  from  the  Dipteron. 

Three  species  are  known  to  me,  separated  as  follows: 

Apex  of  wings  iiiorc  or  less  emargiiiiited,  stignial  vein  hmger  than  marginal. 

Anteunit*  yellow,  giadn ally  incrassated,  mouilirorm,  the  last  joint  large,  fusiform, 
fuscons.     $ . 

Legs  reddish-yellow;  itetiole  l»lack H.  subemauginata,  sp.  nov. 

Antennie  subclavate,  snbnioniliform,  the  llagcllum  fnscous.     9  . 

Legs  anil  petiole,  honey -yellow H.  mkllipktiolata,  Ashm. 

Apex  of  wings  entire,  stigmal  vein  more?  than  twice  as  long  as  the  marginal. 

Antennie  tiliforni,  fnscous,  the  first  and  second  llagellar  joints  elongate,  the  second 
the  shorter  and  ]»rodnced  toward  one  side  at  apex,  the  following 
joints  siibmoniliform.     <? . 

Legs  rufous;  trochanters,  til)ia%  and  tarsi  yellow H.  californica,  sp.  nov. 

Antennie  tiliform,  brownish-yellow,  the  second  dagellar  joint  a  little  longer  than 
the  first  and  third,     g  . 
Legs  honey-yellow H.  subkm akginata,  sp.  nov. 

Hemilezis  subemarginata,  sp.  nov. 

(PI.  XVI,  Fig.  4,  9.) 

9.  Length,  1.4""",  Polished  black,  impunctured;  antennae  and  legs 
reddish-yellow.  Head  subglobose,  well  rounded  before  and  behind. 
Mandibles  rufous,  projecting,  bidentate  at  tips.  Anteniue  13-jointed, 
gradually  thickened  toward  tips,  the  last  joint  large,  fusiform,  larger 
than  the  two  preceding  united;  flagellar  joints  one  to  four  cylindric, 
subequal,  the  joints  beyond  to  last  mouiUform,  loosely  joined.    Thorax 


390  BULLETIN   45,  UNITED   STATES    NATIONAL   MUSEUM. 

short,  roniKlcd  before,  with  two  sliort,  <ibl)r«'viat<Ml  impressed  lines  be- 
hind, not  extendinji  torwiird  to  the  n)iddle  of  the  mes<tnotuni ;  scuteUum 
with  a  transverse  fovea  at  base;  nietanotuni  triearinate,  tlie  truneature 
bonnded  by  a  carina  alwve,  slijjfhtly  produced  at  the  lateral  an}:fles. 
Wings  hyaline,  fringed,  slightly  eniarginated  at  apex;  stignial  nervure 
oblique,  three  times  as  long  as  the  short  marginal;  basal  nervure  sub- 
obsolete.  Abdomen  oblong-oval,  truncate  at  apex,  judished,  shining; 
the  petiole  a  little  huiger  than  thick,  finely  striated;  the  extrehie  base 
of  second  segment  with  some  strias 

The  S  agrees  well  with  the  9  except  the  mesonotal  furrows  are  a 
little  longer,  the  head  larger,  antenne  filiform,  the  second  tiagellar  joint 
a  little  longer  and  stouter  than  the  others,  the  others  about  three  times 
as  long  as  thick,  while  the  wing  venation  is  darker,  more  distinct,  the 
stiginal  vein  shorter,  with  a  slight  backward  directed  brauch  from  its  tip. 

Habitat. — District  of  (Columbia. 

Types  iu  Coll.  Ashmead. 

Hemilexis  mellipetiolata  Ashm. 
Ciin.  Eut.,  XIX,  p.  19G;  Cros.  Syn.  Hym..  251. 

9  ,  Length,  1  ' ".  Polished  black,  impunctured ;  scape,  legs,  aud  ab- 
dominal i)etiole,  honey-yellow;  tlagelluni  rust-brown.  Antenna;  13- 
jointed,  long,  gradually  incrassated  toward  tips;  flagellar  joints  1  to  5 
subcylindric,  the  following  submoniliforni.  Thorax  without  furrows, 
scutellum  foveated  at  base;  metapleura  pubescent.  Wings  hyaline, 
strongly  fringed,  the  apex  slightly  emarginated,  the  stigma  and  ner- 
vures  pale  yellow,  the  stiginal  nervure  much  longer  than  the  short 
stigma.  Abdomen  oval,  truncate  at  apex,  black,  shining,  the  petiole 
long,  yellow,  about  three  times  as  long  as  thick,  finely  striated. 

Habitat. — Jacksonville,  Fla. 

Tn)e  in  Coll.  Ashmead. 

Quite  distinct  from  the  other  species  in  the  long  yellow  petiole, 
absence  of  mesonotal  furrows,  pubescent  metapleura  and  in  the  relative 
length  of  antennal  joints. 

Hetnilexis  californica,  Rp.  nov.  < 

S.  Length,  Lo""'".  Polished  black,  impunctate;  antennfp  brown,  the 
scape  and  legs  yellowish,  the  hind  cox.i^  and  thickened  parts  of 
the  femora  and  tibi.'e  fuscous  or  piceous.  Head  more  transverse  than 
iu  the  preceding  species.  Mandibles  rufous.  Antenna;  13-jointed, 
filiform,  the  first  flagellar  joint  long,  three  times  as  long  as  the  pedicel, 
cylindrical,  the  second  stouter  and  slightly  curved  and  dilated  toward 
apex,  the  following  joints  still  shorter,  loosely  joined,  from  an  elliptic- 
oval  to  moniliform,  the  last  ovate.  Thorax  with  the  parapsidal  furrows 
wanting  anteriorly;  scutellum  with  a  deep  fovea  all  across  the  base, 
metapleura  finely  rugose.     Wings  hyaline,  fringed,  the  nervurcs  pale 


MOXOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     301 

yellow,  the  stiginal  vein  oblique,  three  times  as  hmg  as  the  marginal; 
basal  iiervnre  distinct.  Abd  men  obh)nj;(>val,  trnncate  posteriorly, 
the  petiole  a  little  more  than  twice  as  long  as  thick,  faintly  striated. 

Habitat. — Santa  Cruz  Mountains,  Oalifinnia. 

Tyi)es  in  Coll.  xVshmead. 

HemilexJs  brevicornis  >Sa.v. 

PkHiis  brerieornis  Say.,  Lpc.  Ed.  Say,  i,  p.  1?21. 

Diaprin  hrericornin  Ashin.,  Cuii.  Eur.,  xix,  )».  T96;  Cress.  .Syii.  Ilyin.,  )t.  251. 

I51.T(k,  polished,  iiiiniarulate;  tiltiii'  iind  tarsi  ]»i<<'ons. 

Inhabits  St.  Peters  river. 

AnteniiiB  short,  first  Joint  ranch  elonjjated,  second  joint  lonfjer  than  the  remaining 
ones,  which  an^  snbcylindric-qnadrnte;  niandil)]es  pale,  testaceous;  tliorax  convex, 
rounded,  two  faint  impressed  lines  each  side  eonverjjing  to  the  scutel  and  on  the 
posterior  margin  two  indistinct  dull  whitish  s)>ots;  scutel  elevated,  convex,  feet 
dark,  piceous;  thijihs  nearly  black;  wings,  costal  nervure  indistinct;  abdomen  de- 
pressed, fusiform,  acute  at  tip.     Length  more  than  one-tweuticth  of  iin  inch.     (Say.) 

This  .species  is  unknown  to  me,  but  evidently  belongs  here. 

PARAMBSIUS  Westwood. 
Phil.  M.ag.,  I,  p.  129  (1832);  Forst.  Hym.  Stml.,  ii,  p.  128  (l^r-^,). 

Cerapsilon  Hal.  ( ?) 

(Typo  P.  rvfipen  Westw.) 

Head  transverse,  the  occiput  rounded,  the  cheeks  b.are;  ocelli  3, 
distinct  in  a  triangle;  eyes  oval. 

AntenuiT^  inserted  on  a  frontal  prominence,  13-jointed  in  both  sexes, 
in  9  gradually  incras.sated  toward  tips,  clavate,  the  scape  reaching  far 
beyond  the  ocelli,  slenderer  toward  the  base;  pedicel  stouter  and 
longer  than  the  tirst  fimiclar  joint,  narrowed  basally;  fir.st  funiclar 
ioint  only  a  little  longer  than  thick,  a  little  shorter  than  the  second; 
seventh  to  twelfth  wider  than  long,  the  thirteenth  fusiform  or  ovate, 
more  than  twice  as  large  as  the  preceding;  in  3  longer  than  the  body, 
filiform,  the  pedicel  and  the  tirst  funiclar  joints  about  equal,  the  second 
nearly  thrice  as  long  as  the  first,  slightly  emarginate  at  ba.se,  the 
following  joints  long,  cylindrical,  four  or  more  times  longer  than  thick. 

Maxillary  palpi  5-joiuted. 

Mandibles  bifid  at  tips. 

Thorax  oblong-oval,  narrowed  in  front,  the  prothorax  transverse, 
woolly  at  the  sides;  r^tsonotum  with  2  distinct  furrows;  scutellum 
deeply  bifoveated  at  basf;,  tlie  foveas  often  contluent,  forming  one  deep 
fovea,  or  separated  only  rya  slight  carina;  metathorax  short,  emar- 
ginated  posteriorly,  a  short  conic  keel  at  base,  and  with  the  posterior 
angles  subacute. 

Front  wings  pubescent,  ciliated,  the  costal  cell  completely  closed; 
the  submarginal  vein  joins  the  costa  at  or  a  little  before  the  middle  of 
the  wing;  the  marginal  vein  is  about  thrice  as  long  as  thick,  with  a 
stump  of  a  stigmal  vein ;  basal  vein  absent  or  indistinct. 


392  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

Abdomen  pointcd-ovjito,  the  jietiole  rather  long,  fluted;  the  seeond 
segment  occupies  the  greater  i)art  of  its  surface,  with  sulci  at  base; 
the  apical  joint  pointed,  stylus-like. 

Legs  rather  long,  pilose,  the  femora  davate,  the  ])osterior  tarsi  a  little 
longer  than  the  tibia>,  or  fully  as  long,  the  basal  Joint  one-third  longer 
than  the  secon«l. 

The  gen\is  is  snflRcientlj'  «listrnc+  from  the  other  genera  with  13- 
jointed  antenuic  by  the  length  of  the  submarginal  vein,  the  absence  of 
a  basal  nervure,  the  more  pointed  abdomen,  the  seeond  segment  with 
sulci  at  base,  and  by  the  antenna!  characters  of  the  male. 

I  am  not  aware  that  anything  has  been  published  respecting  the 
habits  of  the  genus,  but  if  my  memory  serves  me  rightly  I  saw  speci- 
mens of  P.  rnjipcs  Westw.  in  the  IJerlin  Museuni,reare<lfrom  Eristalis 
tenax,  along  with  Diapria  conivti. 

Our  species  seem  to  be  quite  distinct  from  the  described  European 
species,  and  may  be  recognized  by  the  aid  of  the  following  table: 

TABLE   OF   SPEriES. 

FEMALES. 

Wings  subliyaliiie  or  tiii|H«Ml  with  fuscous 2 

Wiuf^shyaliiio. 
Antcniiii'  boiiey-yellow  or  lirownish-yellow,  clavate-moniliform. 
Flagelhim  twice  as  loug  as  the  scape,  the  5  or  (J  teriuiual  joints  fuscous  or 
black,  the  last  enlarged,  fusiform,  more  than  thrice  as  large  as 
as  the  penultimate;  legslirowuish-yellow;  abdomen  entirely 

black 1'.  PARViLi's,  sp.  nov. 

Flagellnm  elongated,  the  last  joint  only  black,  globose-ovate;  legs  honey- 
yellow. 
Mesonotal  furrows  complete;  abdomen  pale  at  base..  .P.  terminatus  Say. 
Mesonotal  furrows  wanting;  abdomen  not  pale  at  base.  .P.  ilavipes  Ashra. 
Antenna'  fuscous  or  black. 
Flagellnm  2.V  times  as  long  as  the  scape,  the  last  joint  fusiform,  about  thrice 
as  large  as  the  penultimate;  legs  pale  reddish,  all  coxa' black, 

the  femora  dusky P.  ltahensis,  sp.  nov. 

2.  AntenuiP  and  legs  reddish-yellow. 
Last  four  joints  of  antenna' black. 

Scutellum  with  two  foveai  at  base;  scapube  with  a  grooved  line. 

P.  sriNosu.s,  sp.  nov. 
Scutellum  nnifoveate,  the  fovea  creuulate;  scapube  without  a  groove. 

P.  PALLIDIPE8,  sp.  nov. 
.MALES. 

Wings  fusco-hyaline.  .         ,  .       .        _  ,  -• 

Legs,  including  coXic,  pale  brownish-yellow;  anfenn.'e  pale  ferruginorte. 
Pedicel  and  the  first  funiclar  joints  of  an  equal  length,  the  joints  beyond 
slightly  more  than  4  times  as  long  as  thick. 

Pedicel  a  little  shorter  but  stouter  than  the  first  funiclar  joint,  the  joints  be- 
yond very  long,  several  times  longer  than  thick. 

P.  SPiNoSfs,  sp.  nov. 
Wings  dark,  fuscous.  • 

Legs  ferruginous,  all  coxa;  and  the  swollen  portion  of  femora  black,  the  tibiai 

toward  apex  issore  or  less  fuscous;  antennae  black,  the  pedicel 

shorter  than  the  first  funiclar  joint.  .P.  oregonensis,  sp.  uov. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiB.  393 

Paramesius  parvuluti,  r]>.  iiov. 

5.  Length,  1.5"".  Volished  black,  iiupniiotured,  with  some  sparse 
hairs;  .uitemia',  oxti'pt  the  five  or  six  tenniiial. joints,  and  k'gs,  honey- 
yellow  or  brownish  yellow;  mandibles  reddish;  i)ali)i  white.  Anten- 
ua»  1.3-Jointed,  about  as  long  as  the  body;  the  tlagelluni  elavate,  twice 
as  long  as  the  scape,  the  5  or  (» terminal  joints  bhn-k  or  blackish,  the 
last  joint  being  very  large,  fusiform,  as  long  as  the  three  preceding 
joints  anited  and  nuich  stouter;  the  pedicel  is  longer  and  stouter  than 
the  lirst  flagellar  joint,  the  joints  beyond  submoniliforra,  gradufilly 
widening  toward  tips;  the  penultimate  quadrate.  Thorax  with  two 
furrows;  the  scutellum  foveated  at  base  and  grooved  at  the  sides; 
posterior  margin  of  prothorax  at  the  sides  with  a  row  of  punctures, 
otherwise  smooth  and  ])olished;  metathorax  finely  rugose,  pubescent, 
with  a  prominent  acute  median  carina  above.  Wings  clear,  hyaline, 
fringed,  the  submarginal  vein  pale  yellow,  reaching  the  costa  at  half 
the  length  of  the  wing;  the  marginal  vein  fuscous  or  brown,  twice  as 
long  as  thick  at  tip.  Abdomen  petiolated,  !onic-ovate,  longer  than  the 
head  and  thorax  united,  polished  black,  the  petiole  more  than  twice  as 
long  as  thick,  coarsely  tinted,  jtubescent  beneath,  the  second  segment 
fully  twice  as  long  as  the  petiole,  apex  with  sparse,  long,  white  hairs. 

Habitat. — District  of  Columbia  and  Arlington,  Va. 

Type  in  C'oll.  Ashmead. 

.    Paramesius  terminatus  Say. 

rHlu8  terminatus  Say,  Leconte  Ed.  Say,  n,  p.  778. 
Faramesiun  tirminatiiH  Asliiii.,  C:in.  Eiit..  xix,  p.  196. 
Diapria  ternntiala  Ci.  Syn.  Hym  ,  p.  251. 

9.  Length,  2.5""".  Tolished  black,  impunctured,  sparsely  pubes- 
cent; antenuje,  excei)t  toward  apex,  and  legs  honey-yellow;  petiole 
ob.scurely  rufous.  A^itennse  13-jointed,  the  pedicel  longer  than  the 
first  flagellar  joint,  funiclar  joints  1  to5  subequal,  the  first  about  thrice 
as  long  as  thick  at  apex,  the  fifth  scarcely  twice  as  long  as  thick,  the 
joints  from  here  moniliform,  the  last  fusiform,  longer  than  the  two  pre- 
ceding joints  united.  Thorax  with  2  furrows;  the  scutellum  trun- 
cate behind,  with  a  quadrate,  crenate  fovea  at  base,  the  mesopleura 
below  with  a  few  longitudinal  striie;  metathorax  rugulose,  pubescent, 
with  a  prominent  acute  carina  above.  Abdomen  conic  ovate,  highly 
polished,  the  tip  pointed,  piceous,  the  petiole  about  twice  as  long  as 
thick,  striated. 

Habitat. — Bladensburg,  Md. 

Specimens  in  Coll.  Ashmead.  il  _       ^.^ 

Paramesius  clavipes  Asbm. 
Can.  Ent.,  xx,  p.  53. 

9.  Length,  2""".  PoMshed  black,  impunctured,  covered  with  some 
long,  sparse  hairs  on  the  head,  thorax,  and  surrounding  the  apex  of 
abdomen;  the  metathorax  and  petiole  beneath  rather  densely  pubes- 


304  BULLETIN    4r>,  UNITED    STATES   NATIONAL    MUSEUM, 

<'eiit;  aiitoiiiia',  ex('('i»t  tlio  last  Joint  and  the  Icjis  honey — or  rcddisli — 
yellow.  Antenna'  13  jointed,  subclavate.  the  tirst  tiaj^t'lhir  Joint  slij^htly 
shorter  than  the  i)edicel,  the  tbllowinjj  Joints  to  the  fifth  subequal, 
from  thence  monilit'onn,  loosely  Joined,  the  last  Joint  iusifoini,  more 
than  twice  the  length  of  the  preceding,  fnscons  or  black.  Thorax 
withont  furrows,  somewhat  tiat,  the  sides  compressed;  collar  rerhlish 
laterally;  mcsopleura  entirely  smooth;  metapleura  rugose,  the  meso- 
notal  median  keel  small.  Wings  hyalin«',  pubescent,  the  venation  pale 
yellow,  the  marginal  nervure  short,  about  twice  as  long  as  thick  at 
ai)ex.  Legs  with  the  femora  strongly  clavate,  the  tarsi  very  long,  the 
anterior  and  middle  pairs  being  much  longer  than  their  tibia-.  Abdo- 
men pointed  or  conic-ovate,  smooth  and  polished,  the  petiole  a  little 
longer  than  thick,  strongly  fluted,  the  second  segment  with  two  Literal 
impressions  at  extreme  base. 

Hauitat.— Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  ]Mr.  W.  Hague  ITar- 
ringtou. 

ParamesiuB  utahensis,  sp.  nov. 

9  .  Length,  2.6" '".  Polished  black,  impunctured,  with  a  sparse  cine- 
reous pubescence.  Antenna*  two-thirds  the  length  of  the  body,  subcla- 
vate, black  or  fuscous,  the  basal  flagellar  Joints  a  little  reddish,  the 
pedicel  a  little  thicker  but  not,  or  scarcely,  longer  than  tlie  first  flagel- 
lar Joint,  flagellar  joints  6  tt)  10  cpiadrate,  the  last  fusiform,  alxmt 
thrice  as  long  as  the  penultimate.  Thorax  with  2  furrows,  abbreviated 
anteriorly,  the  scutellum  truiu-ate  behind  with  a  large  crenate  furrow 
across  the  base;  mesoi)leura  along  the  nieso])ectus  longitudiimlly  stri- 
ate; metapleura  ruguh)se.  Winj^s  hyaline,  the  marginal  nervure 
brown,  only  twice  as  long  as  the  short  stigmal.  Legs  pale  brown,  the 
coxte  black,  the  thickened  part  of  the  femora  piceous,  sometimes  with 
the  posterior  tibite  fuscous.  Abdomen  conic-ovate, polished,  black,  the 
petiole  twice  as  long  as  thick,  fluted  and  i)ubescent  beneath. 

Habitat. — Utah  Lake,  Utah. 

Types,  two  5  specimens,  in  Coll.  Ashmead. 

Taken  by  Mr.  E.  A.  Schwarz,  in  Utah. 

Paramesius  spinosus,  sp.  nov. 

9  .  Length,  3""".  Polished  black,  impunctured,  with  a  sparse  cine- 
reous pile;  antenna^,  except  the  3  terminal  Joints,  and  legs,  reddish-yel- 
low. Antennje  13-Jointed,  about  as  long  as  the  body,  subclavate, 
tvubescent,  the  scape  very  long,  tirst  flagellar  joint  a  little  longer  than 
the  pedicel,  joints  2  to  o  subequal,  the  fifth  thicker  than  the  preceding 
joint,  the  following  joints  to  the  last  submoniliform,  the  last  fusiform, 
a  little  thicker  and  longer  than  the  two  preceding  joints  together. 
Thorax  with  2  complete  furrows,  the  scutellum  truncate  at  apex  with  a 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCYOTRYPID.E.     305 

jjrooved  line  at  tlJ\>  siiles  ami  bifoveatcd  at  base;  iin'soph'nra  aloiij; 
the  nu'Sopectus  nijiose  or  coarsely  paiutat^*;  m«'tai)U*ura  nifiiilose,  pu- 
bescent, metanotnni  with  an  acute  triangular  keel  just  boliiutl  the 
l»ostscutellHin,  the  posterior  anjiles  acute.  Wings  subliyaline,  iuibes- 
cent,  the  marginal  nervnre  at  least  four  tin)es  as  long  as  thick  at  tip, 
the  stigmal  vein  not  longer  than  wide.  Alid(»nien  long,  conically 
pointe<l,  i)olished,  black,  the  petiole  stout,  tinted,  LM  times  as  long  as 
thick,  pubescent  beneath. 

The  S  measures  but  L""'",  the  antenna'  being  nearly  twice  as  long  as 
the  bo«ly,  lilitorm;  the  i>edicel  and  tirst  fiiaiclar  Joint  both  short,  the 
latter  a  little  longer,  the  folhiwing  joints  all  very  long,  cylindri<'al,  sev- 
eral times  longer  than  thick,  as  haig  as  the  scaju',  the  abdomen  pear- 
sliaped,  the  ])etiole  3.^  times  as  long  as  thick,  tinted. 

Hauit AT.  — Washington,  3).  C. 

Types  in  Coll.  Ashmead. 

Described  from  two  specimens.  The  species  is  readily  distinguished 
by  the  bifoveolated  scutellum  and  the  rugoso-puuctate  surface  of  the 
lower  part  of  the  mesopleura. 

ParamesiuB  oregonensis,  sp.  nov. 

S  .  Length,  4""".  Polished  black,  si)arsely  ]»ilose,  the  hairs  fuscous. 
Ilead  subglobose,  the  frontal  ridge  beiu'ath  fovea  ted  at  the  middle; 
clyi)eus  se])arated,  convex,  with  a  row  of  punctures  at  base;  mandibles 
ferruginous,  with  some  golden  hairs  and  several  punctures  toward  base. 
Antennje  13-Jointed,  filiform,  longer  than  the  body,  black;  the  pedicel 
is  a  little  shorter  than  the  tirst  funiclar  Joint;  the  second  funiclar  Joint 
is  the  hmgest  joint,  fully  as  long  as  the  jiedicel  and  tirst  Joint  united, 
and  excised  at  base,  the  following  Joints  all  long,  cylindrical,  very 
slightly  shorter  than  the  second.  Collar  at  sides  i)ui>escent,  meso- 
notum  with  2  furrows,  scutellum  with  a  crenate  furrow  at  base,  while  the 
metathorax  is  rugose  pubescent.  Wings  fuscous,  the  snbmarginal  and 
marginal  nervures  black,  the  stigmal  about  as  long  as  the  marginal. 

Legsblack,thebaseoftibia*  and  tarsi,  piceous.  Abdomen  oblong  oval, 
I)olished,  black,  the  petiole  3  times  as  long  as  thick,  strongly  tinted. 

Habitat. — Portland,  Oregon. 

Type  in  Coll.  Ashmead. 

Described  fiom  a  single  specimen,  collected  by  II.  F.  Wickham. 

-^        ^      -,  t  Paramesius  pallidipes,  8i>.  nov. 

(PI.  XVI,  Fig.  5,  9.) 

5.  Length,  2.5™™.  Polished  black,  covered  with  some  sparse,  long 
hairs.  Antennte  13-jointed,  longer  than  the  body,  cylindrical,  pale  fer- 
ruginous; pedicel  and  first  Hagellar  joint  of  an  equal  length,  not  half 
as  long  as  the  second,  the  joints  after  the  tirst  about  equal,  slightly 
more  than  4  times  as  long  as  thick,  the  second  excised  at  butie.    Meso- 


396  BULLETIN    15,  UNITED    STATES   NATIONAL   MUSEUM. 

iiotiim  with  two  furrows;  scutelluni  with  u  deep  fovea  across  the 
base,  crenulate  at  bottom;  initUlht  carina  of  iiietat  hoi  ax  acutely  promi- 
nent at  base.  Lejjs  pah\  brownish-yellow,  \\  inys  fusco  hyaline,  the 
venation  brown,  the  sti<;ninl  ab<nit  as  lonj;  ;is  the  marjiinal  vein,  short; 
basal  vein  indistinct.  Abdona-n  black,  smooth,  shiniu}',  tlu'  petiole  2i 
times  as  htu*i  as  tliick,  jojirsely  tinted,  imbesccnt  beneath. 

9  .  Lcnjjth,  3"*"',  Apjrees  well  with  the  S  ,  except  the  antenna'  are 
gradually  incrassate<l  toward  tips,  tiagellar  Joints  1  to(i  jiradiially  short- 
ening, the  basal  Joints  rather  long,  the  ttrst  about  as  long,  luit  not  so 
thick,  as  the  i)edicel.  Joints  7  to  !>  very  little  longer  than  thick,  the  last 
fusiform,  stouter  and  a  little  longer  tlian  the  two  preceding  Joints 
united. 

Habitat. — Carolina  and  l)istri<t  of  Columbia. 

Type  <?  in  lierlin  Museum,  the  9  in  Coll.  Ashm. 

Described  from  a  single  S  specimen  in  lierlin  Museum,  labeled  as 
having  come  from  Dr.  Zimmermann,  and  2  9  specimens  in  my  collection 
taken  near  Washington. 

SPILOMICRUS  Westwooil. 

riiil.  Mug.,  I,  1..  120  (18H2) ;  IV.rstcr  Hyiii.  Stud.,  ii.  p.  123. 

(Type  S.  stit/maticaHs  Westw.) 

Head  transverse  or  subglobose,  the  occiput  rounded,  the  cheeks 
slightly  jmbescent;  ocelli  3  triangularly  arranged;  eyes  broadly  oval. 

Antenna*  inserted  on  a  frontal  prominence,  13  jointed  in  both  sexes, 
in  9  iucrassated  toward  tips,  submoniliform,  the  scape* subdavate  ex- 
tending beyond  the  ocelli;  pedicel  stouter  and  longer  than  the  tirst 
funiclar  Joint;  in  S  filiform  long,  covered  with  a  short,  dense  pubes- 
cence, the  i)edicel  small,  rounded,  the  second  funiclar  Joint  usually  as 
long  or  longer  than  the  first,  the  first  slightly  emarginate  at  base,  the 
joints  beyond  long,  cylindrical.  . 

Maxillary  palpi  H  Jointed. 

Mandibles  short,  bifid. 

Thorax  long  ovoid,  the  prothorax  visible  from  above,  more  or  less 
woolly,  especially  at  the  sides;  mesonotum  with  two  furrows  often  ab- 
breviated anteriorly,  seldom  entirely  wanting;  scutellum  with  two 
oblong  fovejB  at  base,  metathorax  short,  emarginate  posteriorly,  tri- 
dentate. 

Front  wings  pubescent,  ciliated,  the  submarginal  vein  terminating 
in  a  punctiform  marginal  vein  before  the  middle  of  the  wing,  the  costal 
cell  distinct,  closed,  the  basal  vein  usually  quite  distinct;  the  short 
stigmal  vein  often  has  a  backward-directed  branch. 

Abdomen  oblong  oval,  composed  of  seven  segments  in  the  9  and  eight 
iu  the  S ,  the  petiole  long,  fluted,  its  apex  covered  by  the  projecting 
base  of  the  second  segment,  the  second  segment  occupying  most  of  the 
surface  and  without  sulci  at  base. 


MONOOKAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiB.     397 

Logs  cliiviite,  pilose,  th«i  tarsi  long,  slender,  the  iM>sterior  tarsi  with 
the  basal, joint  almost  twice  as  h)ng  as  the  seeond. 

Uesetnblesboth  PtframeHiuHiind  lianalifs;  from  the  former  it  is  distin- 
guished by  the  distinct  basal  nervure,  usually  a  less  distiiu-tly  pointed 
abdomen  and  the  structure  of  the  second  segment,  wiiich  overlaps  the 
ai>ex  of  tlie  petiole  and  is  without  sulci  at  base,  while  the  distinct 
mesonotal  furrows,  huiger  submarginal  vein,  and  the  wholly  diti'crent 
anteuuie  in  the  S  separate  it  from  the  hitter. 

TAHLK  OF  SPECIES. 

StMitelliim  with  2  fovp.i'  at  base. 

Scaptilii-  not  separated 2 

8capulii>  He]>arat<Ml  posteriorly. 
9  .     Five  terminal  joiuta  of  anteuna*  black,  rest  of  antenuai  lyrownish-yellow 
or  rnlbns. 
Scntellnm  with  a  row  of  H  large  punctures  at  apex,  the  Hlionlders  with  a 

f^rooved  lino S.  AKMAira  Aslini. 

Scutellniu  with  a  row  of  6  aniall  punctures  at   apex,  the  shoulders  without 

a  jjrooved  line S.  athulavl's,  sp.  nov. 

<?.     Autenuic  and   legs  browuisli-yellow,  the   flagellar  joints   long,  nearly 
etiual,  the  lirst  two  a  little  longer,  about  five  times  as  long  as  thiek 

S.  Fi.AVicoRNis,  sp.  nov. 
2.  Coxai  and  femora  black. 

^ .     Anteuine  black,  first  three  Hagellar  joints  about  e(|ual,  the  second  excised  at 
base,  about  four  times  as  long  as  thick,  tlie  following  three  times  as 

long  as  thick S.  atropetiolatus  Ashm. 

f  S.  FOVEATl'S  Prov. 
f  S.  LONGICOKNIS  Prov. 
Spilomicrus  armatus,  sp.  nov. 

(PI.  XVI,  Fig.  7,  $.) 

9  .  Length,  3.1" ".  Polished  black,  impunctured,  with  long,  sparse 
hairs;  a  tuft  of  pubescence  on  cheeks  behind,  collar  at  sides  and  peti- 
ole beneath,  griseous.  Antenuie  13-jointed,  brownish-yellow,  the  5  ter- 
minal joints  black  or  fuscous;  the  Uagellum  is  about  2^  times  as  long 
as  the  scape,  thickened  toward  tip,  the  Joints  6  to  10  quadrate,  the  last 
oblong.  Thorax  with  two  furrows,  the  scapulic  with  a  long  grooved 
furrow;  scutellum  rather  flat,  with  2  large  foveie  at  base,  grooved  lines 
at  sides,  at  apex  truncate  and  with  a  row  of  (5  large  punctures;  meta- 
thorax  with  an  acute,  triangular  central  carina,  the  sides  pubescent. 
The  mesopectus  has  3  or  4  distinct  stiite  just  above  the  Tniddle  coxae. 
"Wings  subhyaline,  the  stigma  rufo-piceous,  triangular;  basal  nervure 
wanting,  indicated  only  by  a  wrinkle  in  the  wing  surface.  Legs  brown- 
ish-yellow, the  first  joint  of  trochanters  long,  clavate.  Abdomen  ob- 
long-oval, polished,  black,  the  petiole  a  little  more  than  twice  as  long 
as  thick,  strongly  fluted,  with  long,  sparse  pubescence  above  and  woolly 
beneath,  the  wool  extending  on  to  the  second  yentrftl  segment, 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Ashmead, 


398  BULLETIN    45,  UNITED    STATES    NATIONAL    MUSEUM. 

Spllomicrus  atriclavus.  n]i.  nov. 

9  .     Iieii};tli,3 Polislicil,  l)liuk,imimintiin'(l,  iiiul  a;i:reoiiifj  closely 

with  -i.^(r//j<f^rv but  (litltTS  as  follows:  tlir  live  tcrniiiial  joints  of  aii- 
tt'iinn'  are  black,  anil  more  abruptly  separated  fnnn  tlie  fmiicle,  the 
tirst  four  beiiij;  traiisverse-«iua(lrate,  about  twice  as  broad  as  lonj;;  the 
scapula'  are  without  a  ;;roove«l  line;  then'  is  a  row  of  <i  small  punc- 
tuK'8  at  apex  of  scutclbiMi;  the  wiufjs  are  subfuscous,  while  the  le^s 
are  more  distinctly  rufous. 

IIAHITAT. — Ottawa,  Can  jula. 

Type  in  <'oll.  Ashmead. 

Described  from  a  Ninjile  specimen  received  from  Mr.  W.  Hague 
Harrington. 

Spilomicrua  flavicornis,  »]».  uov. 
( I'l.  XVI,  Fijj.  7  a,  S  aiitt-niui. ) 

S  .  Length,  1.4 Polished  black ;  head  twice  as  wide  as  thick  through 

antero  posteriorly,  the  cheeks  obliciue.  Mandibles  and  palpi  pale.  An- 
tenna* ll-jointed,  honey -yellow,  about  as  long  as  the  body;  scape  as 
long  as  the  anterior  femora,  excluding  tlie  trochanters;  pedicel  longer 
than  thick;  first  and  second  liagellar  Joints  equal,  longer  than  any  of 
the  following;  joints  beyond  to  the  last  mouilifoim, only  slightly  longer 
than  thick,  the  last  joint  very  little  longer  than  the  peuultinmte.  Thorax 
smooth,  with  distinct  but  delicate  mesonotal  furrows.  Proiujlum  with 
an  imi)ressi(m  at  sides  just  in  front  of  the  teguhe.  Hcutellum  with  the 
fovea  at  base  sejKirated  into  two  jtarts  by  a  delicate  carina.  Metapleura 
finely  rugose,  scarcely  luibescent.  Teguhe  rufous.  Wings  hyaline, 
pubescent,  ciliated,  the  veins  yellowish.  Legs,  including  coxa',  honey- 
yellow.  Abdomen  oval,  polished,  the  petiole  nearly  thrice  as  long  as 
thick,  finely  sculptured,  with  a  longitudinal  furrow  above  toward  the 
sides,  and  very  finely,  sparsely  imbesceut. 

Habitat. — Arlingtcui,  Va. 

Types  in  National  Museum  and  Coll.  Ashnu'ad. 

Described  from  specinuMis  taken  by  Mr.  Theo.  Pergande,  July  13, 1884. 
Spilomicrus  atropetiolatus  A^hiii. 
iHmarit.i  atropetioJatuH  AhIuu.,  Bull.  No.  1  Col.  Biol.  Assoc,  p.  11. 

9  .  Length,  2""".  Black  polished,  with  some  long,  scattered,  sparse, 
giayish  pubescence,  the  face,  as  well  as  the  metapleura  and  petiole, 
more  densely  pubescent.  Face  prominent.  Eyes  bare.  Antenna- 13- 
jointed,  black,  pubescent,  the  scape  very  long,  slender,  a  little  more 
than  twice  as  long  as  the  third  joint;  the  pedicel  short,  much  less  than 
half  as  long  as  the  third,  narrowed  at  base,  the  third  and  fourth  joints 
of  about  an  equal  length,  the  fifth  joint  and  joints  beycmd  slightly  shorter 
than  the  third,  and  all  narrowed  at  base  and  of  about  an  equal  length. 
Thorax  snuK)th,  without  grooves.  Mesopleura  smooth,  bare,  with  a 
slight  furrow  a  little  below  the  middle,  more  distinct  anteriorly  and 


MONOGRAPH  OF  THE  NORTH  AMKRKAN  PROCTOTRYPID.E.      399 

almost  <)l)lit«'riit<Ml  posteriorly.  Scutt'lliiin  siiiootli,  (jiiiHlrato  In'hind, 
the  margins  delicately  keeled,  and  with  two  rather  deep  oblonj;  fovese 
atbahe.  Metathorax  and  nietaplenra  delicately  sculi)tured;  the  nieta- 
thoiiix  has  a  delicate  median  lotijiitndiiial  keel,  wiiich  be«'omes  forked 
posteriorly.  Lcjj.s  <lark  red,  pubescent.  Abdomen  ixdislied,  Hare,  ex- 
<ept  a  few  hairs  siirroundinj;  the  apex;  the  pt'tiole  is  about  half  the 
lenj^th  of  the  abdomen,  opatpu",  Huted,  and  haiiy.  Win^s  subhyaliue, 
pubescent;  veins  pale  brown,  the  uiary;inal  vein  black  or  i)iceou8. 

Habitat.— West  Cliff,  Colo. 

Type  in  Coll.  Ashmead. 

This  species  was  received  from  Mr.  T.  1>,  A.  Cockerell. 

Spilomicrus  longicornis  Pro  v. 
Nat.  Can.,  xii,  p.  262;  Fiiun.  I'.iit.  (an.,  ii,  \>.  MA.  9  ;  ("resN.,  Syii.  Hytn.,  p.  251. 

$. — Lonji;.  .11  l»«;f.  Noir,  i»oli,  biillant;  Ics  uiaiHlildilcs,  la  liase  iU-h  antennes,  le» 
(<raillfR  alairos  avec  ]••«  pattos,  janiie-rtnissritrc.  Anteiiiu's  loiif^iu-H,  uii  ]U'\\  plus 
<^paJs8es  ;\  rextri'inito,  iioire.s,  roiisHatn-.s  a  la  base,  insonW-s  Hiir  an  tuheri'ulc  t'roiitul. 
Thorax  plus  opais  I'U  avant;  ecu.sson  pntomineut  avec  uno  potite  fossette  i\  la  baso, 
Ailes  hyalines,  IVinnt'cs;  volues,  la  utTviirc  foriiiaiit  la  jietitf  ('clliile  radiale.  noiro, 
bii-n  (listinctc.  sc  prol(»n<;iant  inlVricmenuMit  Jiisqii'a  la  ifncoiitif  on  pen  h'l-u  faiit  <lu 
cubitus,  point  d'autrcs  uervuros  tUstiuctcs  a  ]»art  cell*-?*  clc  hi  base  Pattes  longucs, 
grclcs,  IcH  cuisses  et  les  Jjimbes  lof^irenicnt  ifiirti'cs,  hs  liaiichcs  noircs.  Abdomen 
ii  pcdiculc  strio,  do  la  nmitic  de  sa  loiifjucur  environ,  le  rehtc  en  fonnc  de  losan;;e, 
ternunc  en  pointe,  d(^)>riin»',  jioli.  Itrillaut.     Tariere  non  apparentc.     (ProvancLcr.) 

Hahitat. — Canada. 

Unknown  to  me.    Judjiinjjf  from  the  description  of  the  venation,  the 

species  is  a  Belytid  and.  not  a  Diapriid. 

Spilomicrus  foveatus  Prov. 
Add.  et  Corr.,  p.  176;  Cress.  JSyn.  Hyni.  N.  A.,  p.  251. 

9  . — Long.  .115  i)ce.  Noir,  les  pattes  et  les  anteniu^s  Jaunes-niiel.  La  tete  en  carrf^ 
avec  la  face  rcntlee  juscpTau  milieu,  formaiit  une  i)rotuberancc  sur  laciuelle  sont  iu- 
seroes  les  antcnnes.  Antennes  de  13  artiides,  jauues,  les  articles  terminaux  bruns,  le 
premier  article  fort  lonu,  les  suivauts  tres  courts,  ])oilus,  les  4a5  terminaux  <^paissis 
fjraduellement  en  massiu!.  Tiiorax  jioli,  brillant,  beaucoup  large  en  avaut,  recussou 
brillaut  avec  une  petite  foveole  transverse  en  avaut.  Ailes  velues.  fringees,  sans 
taches  n'ayaut  de  bieu  apparente  <iu'une  petite  nervule  stignuitiquo  un  pen  courbe, 
d'autrcs  uervures  nioins  distiuctes  formant  une  celluh;  bra<duale  triangulaire.  Pattes 
d'nn  beau  jaune-miel,  avec  les  cuisscs  et  lesjambes  rentlees  en  massue  a  rextremito. 
Abdomen  ii  pedicule  court,  mais  distinct,  doprime  h  2*  segment  tres  grand,  rdtroci 
en  pointe  et  poilu  a  rextreniite;  tariere  droite.  t.cs  courte. 

Se  distingue  surtout  du  lotitjicurnh,  par  s<ui  abdomen  a  pedicule  plus  court  et  see 
antennes  plus  distinctement  en  niassue.     (Provaucher.)  •        ;■ 

Hahitat. — Cap  Kou{?e  Canada. 

Unknown  to  me,  but  evidently  not  a  true  Spilomicntn. 

HEMILEXODES  Ashni.,  gen.  nov. 
(Tyi)e  H.  Jioridann.) 

Head  subglobose,  the  cheeks  rounded;  ocelli  '^  small,  triyngularly 
arranged;  eyes  oval. 


400  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

AnteniiiB  IS-joiiited  in  both  sexes,  inserted  on  a  slight  frontal  promi- 
nence; in  9  incrassated  toward  tips,  submoniliform;   in  5 ,  long  fili- 
form, the  joints  long,  cylindrical,  pilose. 
'Maxillary  palpi  4-Jointed. 

Thorax  subo void,  the  mesonotuni  broader  than  long,  without  furrows, 
the  scutellun  subconvex  with  grooved  lines  at  the  sides  and  a  fovea 
across  the  base,  the  metanotum  very  short,  the  posterior  face  carinated 
above. 

Front  wings  pubescent,  ciliated,  the  submarginal  nervure  reaching 
the  costa  just  before  its  middle,  marginal  vein  punctiform,  stigmal 
vein  distinct,  oblique,  two  or  more  times  longer  than  the  marginal 
nervure;  basal  nervure  wanting  the  postmarginal  nervure  distinct. 

Abdomen  oblong-oval,  petiolated,  the  second  segment  very  long,  with 
sulci  at  base. 

Legs  clavate. 

Distinguished  from  HemUej-is  in  having  no  mesonotal  furrows  and 
no  basal  nervure;  also  by  the  difference  in  the  male  antennae,  all  the 
flagellar  joints  being  long  and  cylindrical,  pilose.  '■ 

Hemilezodes  fioridana,  sp.  iiov. 
(PL XVI,  Fig. 8, 9.) 

9  .  Length,  1.5""".  Entirely  honey-yellow,  except  the  head,  which  is 
brownish.  Antenn.e  13-jointed,  the  flagellar  joints,  after  the  fourth, 
round-moniliform.  Thorax  without  furrows;  scutellum  with  a  trans- 
verse fovea  at  base;  metathorax  carinated.  Wings  hyaline,  strongly 
fringed,  entire,  the  nervures  pale  yellow,  the  stigmal  vein  long,  oblique, 
more  than  3  times  as  long  as  the  short  marginal.  Abdomen  oblong 
oval,  truncate  at  tip,  smooth,  polished,  the  petiole  1^  times  as  long  as 
thick  with  raised  lines  toward  the  sides. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Other  species  in  this  genus  are  known  to  me  from  the  West  Indies, 

SYNACRA  Fiirster. 

Hym.  Stud.,  ii,  p.  128  (1856). 

Chlidonin  H.  Sch.,  Forts.  Faun.  lus.  Germ.  CI.  vii. 
.4r<t&oZtt8  HaL,  Nat.  Hist.  Kev.,  IV,  p.  173    1857). 

{Type  Diapria  brachialia 'Seen). 

Head  subglobose,  the  cheeks  rounded,  the  occiput  scarcely  margined ; 
ocelli  3,  triangularly  arranged,  rather  close  together  on  the  crown;  eyes 
oval. 

Anteniue  inserted  on  a  frontal  proniinen(5e;  in  9  12-jointed,  termina- 
ting in  a  5  jointed  club;  in  3  14  jointed,  tiliform,  the  flagellar  joints 
long,  cylindrical,  i)ilo8e,  the  first  excised. 

Mandibles  subrostriform,  bjdentate  at  tips. 

Thorax  ovate,  the  mesonotum  with  3  distinct  furrows,  the  scutellum 
CQQvex.  witU  a  fovea  at  base;  metathorax  smooth. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     401 

Front  wing,s  pubescent,  the  subinarginal  nervure  reaching  the  eosta 
near  the  utiddle,  the  marginal  vein  short,  the  stignial  vein  distinct 
with  an  appendage,  basal  nervnre  distinct. 

Abdomen  petiolate,  oblong,  oval  or  t)bovate,  the  petiole  short,  rugu- 
iose,  the  second  segment  very  long. 

Legs  clavate. 

No  species  in  this  genus  is  known  out  of  the  European  fauna. 

GLYPTONOTA  Forster. 

Hym.  Stud.,  ii,  p.  122  (185«}). 

(N«»  type  mentioued. ) 

Head  transverse,  the  frons  rounded,  not  iminessed,  occiput  rounded; 
ocelli  3,  in  a  triangle,  eyes  rounded. 

Antenme  inserted  on  a  slight  frontal  prominence;  in  ?  12-jointed, 
clavate,  the  4  or  5  terminal  joints  enlarged,  the  last  being  twice  as 
large  as  the  penultimate;  scape  cylindrical,  slightly  curved,  reaching  a 
little  beyond  the  ocelli;  pedicel  oval,  shorter  than  the  first  fuuiclar 
joint;  in  S  13  jointed,  filiform. 

Maxillary  iialpi  5  jointed. 

Mandibles  short,  bidentate  at  tips. 

Thorax  oblong-oval;  prothorax  visible  from  above,  impressed  lat- 
erally; mesonotum  with  2  distinct  furrows;  scutellum  large,  subcon- 
vex,  foveated  at  base  and  with  a  distinct  frenum  posteriorly;  metatho- 
rax  emarginated,  the  jiosterior  angles  acute. 

Front  wings  pubescent,  the  submarginal  vein  reaching  the  costa  at 
about  half  the  length  of  the  wing,  the  marginal  vein  punctiform,  with 
a  short  oblique  stigmal  vein;  basal  vein  wanting. 

Abdomen  ovate,  7-  or  8-  segmented,  the  petiole  longer  than  thick, 
faintly  strigose,  beneath  towards  apex  angulately  produced;  second 
segment  very. large,  occupying  more  than  two  thirds  of  the  body  of  the 
abdomen,  with  3  sulci  at  base. 

Legs  moderate,  sparsely  pilose,  the  femora  and  tibije  clavate,  tibial 
spurs  weak,  the  posterior  tarsi  short,  the  basal  joint  more  than  twice 
as  long  as  the  second. 

The  genus  seems  to  be  a  valid  one,  although  Forster  mentions  no  type, 
and  I  can  find  no  described  European  species. 

The  following,  therefore,  appears  to  be  the  first  species  described: 

Olyptoiiota  nigriclavata,  8p.  uov. 

^>   ■  .^y,     -::-.,.-  (PI.  XVII,  Fig.  1,  $.)   -        _-■■.•.- 

9  .  Length,  2.8""".  Polished  black,  sparsely  pilose;  antennte,  except 
the  4  terminal  joints  (or  club)  which  are  black,  mandibles,  palpi,  tegulae, 
and  legs,  pale  brownish  yellow.  Antenna-  12  jointed,  clavate;  iiedicel 
stouter  ind  a  little  longer  than  the  first  fuuiclar  joint;  the  fuuiclar  joints 
to  the  club  are  very  gradually  shortened,  but  gradually  widened,  the 
21899— No.  m 20 


402  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

last  two,  or  the  fifth  aiul  sixth,  being  wider  than  hmg,  tlie  chib  joints  are 
slightly  pedicellate,  transverse,  increasing  in  size,  the  last  very  large 
cone-shaped.  Mesonotal  furrows  deep  and  broad.  Scutellura  with  a 
punctate  frenum  and  two  broad  fovejc  at  base.  Metathorax  rugoso- 
punctate,  pubescent.  Wings  hyaline,  i)ubescent,  fringed.  Abdomen 
smooth,  polished,  impunctured,  the  petiole  longitudinally  striated. 

Habitat, — Washington,  D.  C. 

Type  in  Coll.  Ashniead. 

Described  from  a  single  specimen,  taken  by  myself  along  the  canal 
at  Georgetown. 

TROPIDOPSIS  Ashiu.,  gen.  nov. 
(Type  T.  clavata  Ashm.) 

Head  subglobose,  the  face  in  the  female  flat,  with  delicate  side  keels; 
ocelli  3,  triangularly  arranged;  eyes  large,  rounded. 

Antennae  in  9  12-jointed,  terminating  in  a  large,  abrupt,  3-jointed 
club,  the  funicle  slender;  in  $  14- jointed,  filiform,  longer  than  the  body, 
the  flagellar  Joints,  except  the  first  and  last,  elliptic-oval,  pilose. 

Mandibles  short,  bifid. 

Thorax  as  in  Lo.mtropa,  the  metathorax  emarginated  posteriorly,  the 
angles  a  little  prominent,  centrally  with  an  acute  carina. 

Front  wings  pubescent,  the  submarginal  nervure  reaching  the  costa 
at  about  the  middle,  the  marginal  nervure  about  twice  as  long  as  thick, 
the  stigmal  vein  not  developed,  the  basal  nervure  distinct. 

Abdomen  petiolate,  oblong-oval,  the  second  segment  very  long. 

Legs  clavate. 

Allied  to  Loxotropa,  but  readily  distinguished  by  the  much  longer 
submarginal  nervure,  presence  of  facial  keels,  and  the  ditterence  in 
the  male  autennai. 

Tropidopsis  clavata,  sp.  nov. 

(PI.  XVII,  Fig.  2,  $  ;  a,  <?  antenna.) 

9  .  Length,  1.4""".  Brownish-red  or  ferruginous,  smooth,  polished; 
antennse,  except  club  and  legs,  i)ale,  or  yellowish.  AntennjB  12-jointed, 
terminating  in  an  abrupt  3-jointed  black  club,  the  fir.st  two  joints  of 
which  are  quadrate,  the  last  oblong;  funicle  7-jointed,  slender,  tlie  first 
joint  about  twi<*e  as  long  as  the  second,  the  following  not  huiger  than 
thick,  the  last  two  tu"  three  slightly  tranverse;  pedicel  obconic,  much 
larger  and  stouter  than  the  first  funiclar  joint.  Head  globose,  the  face 
flat  with  delicate  side  keels.  Eyes  large,  rounded.  Scutellum  with  a 
single  fovea  at  base.  Metanotum  emarginate,  the  angles  a  little  promi-  ^ 
nent.  Abdomen  oblong-oval,  the  i)etiole  a  little  longer  than  thick, 
pubescent.  Wings  hyaline,  fringed,  the  submarginal  vein  reaching  the 
costa  at  about  the  middh;  of  the  wing,  ending  in  a  subtriangular 
marginal  vein;  basal  nervure  straight. 

$  .    Length,  1.3" "".    Antenna)  longer  than  the  bodyj  14-jointed,  flli- 


MONOGRAPH  OF  THE  NORTH  AMERK  AN  PUOCTOTRYPID.E.     403 

form,  till'  Hiigellar  joints,  cxt-opt  the  first  three  and  thi'  last,  elliptic- 
oval,  the  fourth  ami  followinfj  stouter  than  the  three  i)reeedin};-.  Abdo- 
men obi  on  j;- oval,  the  i)etiole  about  twiee  as  lou^  as  thick,  cylindric, 
striated,  snbpubescent;  otherwise  color,  etc.,  as  in  female. 

Habitat. — St.  Vincent,  West  Indies. 

Types  in  Xatioual  Museum. 

IDIOTYPA  Eorster. 
Hyiii.  Stiul.,  ir,  p.  122  (!&">«). 
Mionopria  Ilnl.,  Nat.  Hist.  Rev.,  iv,  p.  172. 

(Type  M.  manlimu  Hal.) 

Head  subrotund,  the  (x-cipnt  rounded;  ocelli  3,  in  a  triangrle;  eyas 
larjje,  rounded  or  oval. 

Antenna;  in  9  12-jointed,  davate,  the  pedi(;el  shorter  than  the  first 
funiclar  joint;  club  5-Jointed;  in  i  13-jointed,  filiform,  pubescent,  the 
scape  reaching  beyond  the  ocelli,  cylindric;  pedicel  small;  first  flagellar 
joint  as  long  or  slightly  longer  than  the  second;  second,  more  or  less 
excised  at  base;  the  following  joints  all  cylindrical,  equal  or  snbequal. 

Thorax  ovoid,  the  protborax  distinctly  visible  from  above,  transverse, 
the  sides  baie;  mesonotum  wider  than  long,  with  two  distinct  furrows, 
slightly  diverging  anteriorly;  scutellum  subconvex,  Avith  an  impressed 
line  at  sides  and  unifoveated  at  base;  metathorax  short,  emargiuated 
posteriorly,  a  conic  prominence  at  base  above,  and  with  the  angles  acute. 

Front  wings  pubescent,  the  costal  cell  complete;  the  submarginal 
vein  reaches  the  costa  at  about  half  its  length,  terminating  in  a  <listinct 
inargiiml  vein;  the  postmarginal  vein  sometinu's  slightly  developed; 
the  stigmal  vein  usually  short,  but  distinct,  with  a  spurious  veiu  from 
its  tij),  directed  backwards;  the  basal  cell  distinct,  although  the 
median  nervure  is  nu)ie  or  less  hyaline  before  it  joins  the  basal  nervure. 

Abdomen  subovate  or  oblong-oval ;  in  9  iS-jointed,  the  petiole  distinct, 
two  or  three  times  as  long  as  thick;  second  segment  very  large,  wath  a 
median  sulcus  at  base;  following  segments  short. 

Legs  rather  long,  the  femora  and  tibije  clavate,  basally  very  slender, 
l)ilose,  the  tibial  spurs  weak  but  distinct,  the  posterior  tarsi  longer  tiian 
their  tibiie,  the  basal  joint  more  than  thrice  the  length  of  the  second, 
the  terminal  joint  also  huiger  than  usual;  claws  small,  simple. 

Not  tVmiul  in  our  fauna.  On  PI.  xvii,  Fig.  3,  I  figure  the  female  of 
Idiotypa  pallida  Ashm.  from  St.  Vincent,  West  Indies. 

ANEURHYNCHUS  Westw. 

Pbil.  Mag..  I,  p.  129,  1832. 
Syii.  Mtfthraa  Hal. 

(Type  A.  galesiformis  Westw.) 

Head  transverse,  with  a  short  frontal  suh-us,  the  o<'cipnt  not  emar- 
ginated,  rounded.     Eyes  rounded.    Ocelli  3,  i«i  a  triangle. 


404  BULLETIN   4'),  UNITED    STATES   NATIONAL   MUSEUM.     > 

Antenna'  inserted  on  sv  frontal  prominence;  in  9  12-jointe(l,  clavate 
or  strongly  incrassated  toward  tips,  the  scape  reaciliing  beyond  the 
ocelli,  thickened  apically;  pedicel  rounded:  in  <?  14-joiu4;ed,  h)ng,  tili- 
forni ;  the  scape  cylindrical. 

Maxillary  palpi  .-)  jointed. 

Mandibles  short,  bidentate. 

Thorax  oblong;  prothorax  vi.sible  from  above,  the  angles  ronnded; 
niesonotuni  with  two  distinct  fnrrows;  scntellnm  snbconvex,  bifoveated 
at  base;  metathorax  short,  snbemarginated,  the  i)osterior  lateral  angles 
acnte. 

Front  wings  with  the  submarginal  vein  terminating  in  a  stigma  be- 
fore attaining  the  costa,  and  from  which  issues  a  short  stigmal  vein 
knobbed  at  tip;  basal  vein  absent. 

Hind  wings  veinless. 

Abdomen  long,  oval,  8-jointed,  the  petiole  strigose,  hasiry. 

Legs  moderate,  the  femora  clavate,  the  tibia'  siibclavate,  pih>se;  basal 
joint  of  ])osterior  tarsi  three  or  four  times  as  long  as  the  second;  daws 
small,  simide. 

This  genus  comes  nearest  to  Laholipn,  but  is  readily  distinguished 
by  the  maxillary  i^alpi  and  the  knobbed  stigmal  vein. 

Abbe  Provancher  described  three  species  under  this  genus,  none  of 
which  belong  here.  AnenrhijnchuH  aneuruH  Prov.  is  a  $  Platygasterid 
belonging  to  the  genus  laocybns,  while  A.  sjnnosus  and  A.  inerniis  Prov. 
are  Belytids. 

I  have  rec(ignized  three  species  in  our  fauna,  which  may  be  tabula- 
ted as  follows: 

FKMAI-KS. 

Frontal  iicl<je  pale  iiifous. 
Legs,  iiicludiug  coxii-,  hoiu'y-ycllow;  veiitrul  segiiieuts  pniictate,  the  last  very 
closely  punctate A.  mkllipks  Ashm. 

MAl.KS. 

Frontal  rid<;e  palj  rufous. 
Less  and  antenna'  pale  brownish-yellow;  ventral  segments  smooth,  impunctured. 

■      .  A.  KI.01UDANIS,  sp.  nov. 

Frontal  ridj^e  lilack. 

Legs  and  antenna'.  l>rowuish-yellow;  ventral  segnieuts  finely,  si)arsely  punctate. 

A.  viiiuiNicus,  sp.  nov. 

}  :  Aneurhyuchus  mellipes  Ashni. 

Can.  Ent.  xx,  p.  32. 

2  .  Length,  2.5""".  Polished  black,  sparsely  pubescent.  AntennsB 
12-jointed,  stout,  clavate,  rufous;  the  scape  is  very  thick,  a  little 
shorter  than  half  the  length  of  the  Hagellum;  pedicel  stouter,  but  not 
as  long  as  the  first  flagellar  joint;  second  flagellar  joint  shorter  than 
the  first;  third,  shorter  than  the  second;  from  thence  the  joints  are 
transverse,  increase  in  size  and  width,  and  are  well  separated.  Mesono- 
tal  furrows  distinct.      Scutellum  with  two  transverse  fovete  almost 


MONOGRAPH  OF  THE  NOKTH  AMKKICAN  PROCTOTRYPHJ.E.     405 

iiieetiiij>-  at  base.  Metathoijix  closely  pniutate,  imbeseent,  and  with 
some  irregular  carina'.  Legs,  incliuliiig  the  coxa',  honey  yellow.  Ab- 
domen polished  black,  the  ])etiole  rngose  with  some  longitudinal  sulci. 
Wings  subhyaline,  pubescent;  the  submarginal  vein  ends  in  a  callosity 
and  a  short  stignial  vein  that  also  terminates  in  a  knob;  from  this  knob 
there  is  a  slight  trace  of  a  radial  vein;  the  submarginal  vein  is  very 
pale. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  received  from  Mr.  W.  Hague  Har- 
rington. 

AneurhynchiiB  floridanns,  sp.  iiov. 

(PI.  XVII,  Fig.  4.9  ;  a,  ^  antenna.) 

<? .  Length,  3'"".  Polished  black,  sparsely  pubescent;  antenuje, 
mandibles,  pali)i,  teguhe,  and  legs,  including  coxa*,  pale  brownish- 
yellow.  Antenn.e  14-Jointed,  hairy,  extending  to  the  middle  of  the 
abdomen;  scape  as  h»ng  as  the  tirst  and  second  Hagellar  Joints  united; 
pedicel  rounded;  tirst  funiclar  joint  about  twice  the  length  of  the 
pedicel;  the  second  emarginate  at  base  with  a  slight  tooth  beneath, 
the  joints  beyond  nearly  of  an  equal  length,  uearly  four  times  as  long 
as  thick.  Thorax  with  two  deep,  broad  furrows;  the  collar  with  a 
deep,  smooth  impression  at  sides;  scutellum  with  lateral  ridges  and 
two  large  fovea?  at  base,  separated  only  by  a  slight  carina,  the  bottom 
slightly  creuate;  metathorax  rugose  with  a  slight  median  carina. 
Wings  hyaline,  very  pubescent,  the  pubescence  dusky;  the  submarginal 
vein  does  not  reach  the  costal  edge  and  terminates  in  a  stigma,  the 
stiguml  vein  very  oblique;  the  radius  or  second  branch  of  the  stigmal 
is  visible  as  a  long  dusky  streak,  thus  forming  a  veiy  long,  open  radial 
cell ;  basal  vein  present.  Abdomen  smooth,  polished  black,  impunc- 
tured,  sparsely  covered  with  long  hairs,  the  anus  pale  riifous;  the 
petiole  is  about  twice  as  long  as  thick,  Avith  irregular  grooved  lines 
above,  and  a  deep  grooved  channel  at  the  sides. 

Habitat. — Fort  George  Island,  Florida. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen. 

Aneurhynchus  virginicus,  s]).  nov. 

S  .  Length,  2.8""'.  Very  closely  allied  to  .1.  fioridanus  in  color  and 
sculpture,  but  at  once  separated  by  the  hind  coxa;  being  black  and 
by  the  sparsely,  but  distinctly,  punctate  ventral  segments;  while  the 
anus  is  black  and  the  ant^  lae  are  sliglitly  stouter,  the  flagellar  joints 
being  in  consequence  relatively  shorter. 

Habitat. — Har])ers  Ferry,  W.  Va. 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  by  Mr.  E.  A.  Schwarz. 


406  BULLETIN   45,  IJNITHD    STATES   NATIONAL    MUSEUM. 

LABOLIPS  llaliday. 

Nat.  Hist.  Rev.,  1857.  p.  173. 

(Type  /..  iuniipta  Hal.). 

(IM.  xvir,  Fig.  r.,9.) 

Head  rounded.   Eyes  small,  protuberant,  hairy.   Ocelli 3,  in  atriaugle, 

Antenuji;,  in  9  ,  12-jointed,  clavate,  the  scape  cylindrical;  the  pedicel 

longer  than  the  first  Hagellar  joint,  the  second  to  the  last  transverse- 

moniliform,  slightly  pedicellate,  the  last  oval,  twice  as  long  as  the  pre- 
ceding; in  S  ,  14-jointed,  filiform. 

Maxillary  palpi  obsolete;  labial  palpi  not  jointed. 

Mandibles  bidentate. 

Thorax  oblong,  depressed ;  prothorax  attenuated  into  a  neck;  mesono- 
tum  with  two  furrows;  scutellum  transverse,  subquadrate;  metathorax 
short,  truncate  at  apex,  with  the  angles  a  little  prominent. 

Front  wings  with  the  submarginal  vein  not  reaching  the  costa,  termi- 
nating iu  a  stigma  but  without  a  stigmal  vein;  basal  vein  subobsolete. 

Hind  wings  veiuless. 

Abdomen  oblong,  oval,  petiolate. 

Legs  normal,  the  femora  stout,  clavate;  the  tibiae  subclavate. 

This  genus  has  not  yet  been  discovered  in  our  fauna,  and  the  single 
species  described  by  llaliday,  from  England,  is  the  only  one  known. 

Tribe  II. — Diapriini. 

In  this  tribe,  the  furthest  removed  from  the  Belytince,  the  submargi- 
nal nervure  reaches  the  costa  at  one-third  its  length  or  a  little  before, 
the  costal  cell  being  most  frequently  open ;  or  the  Gostal  and  subcostal 
nervures  are  confluent  as  in  the  liraconidw  [Loxotropa,  Basalys,  etc.); 
or  it  is  not,  or  but  slightly,  developed  ( Galesm).  Eleven  genera  having 
these  characteristics  in  common  are  here  brought  together.  All  those 
of  which  the  parasitism  is  known,  are  found  living  upon  Dipterous  larvfe. 

■  TABLE   OF   GENERA. 

-  -  '  FEMALES. 

Antenna?  13-joiuted  (except  iu  Myrmecopria) 4 

Antennae  12-jointe(l. 

Face  not  greatly  lengthened 2 

Fa«e  greatly  lengthened;  mandibles  rostiiform. 
Mesonotum  with  2  furrows GALE8U8  Curt. 

2.  Head  transverse  or  snbglobose,  rarely  a  little  longer  than  wide 3 

Head  large  and  Hat;  ocelli  wanting;  mesonotum  without  fnrrows ;  legs  short  and 

stout Platymischus  Westw, 

3.  Wings  with  a  basal  nervure. 

Mesonotum  without  fnrrows ;  club  3  or  4  jointed Loxotropa  Forst. 

Wings  without  a  basal  nervure. 
Mesonotum  without  furrows. 
Scutellum  foveated  at  base. 
Tip  of  scutellum  compressed  from  the  sides,  the  disk  or  apex  with  a  median 
carina:  abdomen  usually  couically  poiut«d. 

Tropidopria  Ashm.,  gen.  no  v. 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRYPID.E.      407 

Tipof  scntflhiiu  uot  compressed  from  the  sides,  rouuded  or  truncate,  with- 
out a  carina;  abdomen  o%'ate  or  oblongoval,  often  truncate  at  tip. 
Petiole  much  longer  than  thick;  metathorax  always  with  a  distinct  ridge 

or  conic  prominence  at  base Di apkia  Latr. 

Pet'ole  not  longer  than  thick,  densely  woolly ;  metathorax  most  fre<iuently 
*^  without  a  conic  prominence  at  base,  usually  areolated. 

(Jhib  3-jointed C'khatopkia  Ashm.,  gen.  nov. 

'I'lub  4  or  5  jointed TuicikiI'HIa  Ashm.,  gen.  nov. 

ScuteUum  not  foveated  at  base. 

AxilliP  not  separated Pn.ENonRtA  Ashm.,  gen.  nov. 

4.  ScuteUum  not  foveated;  club  consisting  of  one  enlarged  joint. 

Mesouotum  without  furrows MoNklata  Filrst. 

ScuteUum  foveated  at  base,  chib  witli  more  than  one  joint. 
Mesouotum  without  furrows,  or  only  slightly  indicated  posteriorly. 

Biusal  nervure  present ;  antennal  club  abrupt,  4-jointed Ba.salys  Westw. 

Basal  nervure  al>.sent;  antennal  club  not  abrupt,  the  flagdlum  subdavate; 
auteuuic  14-jointed MykmecoI'Uia  Ashm.,  gen.  nov. 

Males. 

Antennrc  13-jointed 4 

Antennte  14-jointed. 

Scape  not  especially  developed 3 

Scape  abnormally  developed. 
Apterous;  mesouotum  without  furrows Platymischus  Westw. 

2.  Face  not  lengthened ;   mandibles  not  rostriform 3 

Face  lengthened;  mandibles  rostriform. 

Mesouotum  with  2  furrows GalEsus  Curt. 

3.  Wings  with  a  basal  nervure. 

p'irst  flagellar  joint  much  shorter  than  the  second Ba.salis  Westw. 

First  flagellar  joint  not  shorter  than  the  second. 

Mesouotum  without  furrows ....  Loxotkopa  Fiirst. 

Wings  without  a  basal  nervure ;  mesouotum  without  furrows. 

ScuteUum  foveated  at  base. 

Tip  of  8cut«llum  compressed  from  the  sides;  the  disk  or  rtpex  With  a  mediatt 

carina Tropioopkia  Ashm.,  gen.  nov. 

Tip  of  scutellum  not  compressed  from  the  sides;  rounded  or  truncate,  without 

a  carina. 

Antenna'  nodose-verticillate,  the  joints  pedunculated DIapria  Latr. 

Antenna^  filiform  or  moniliform,  not  nodose-verticillnte. 

Antenna' filiform,  the  joints  from  the  fourth  oval  or  moniliform,  but  not 

thickened  toward  tips. 

Second  flagellar  joint  longer  and  thicker  than  the  first,  usually  curved 

or  angulate  towards  one  side,  the  joints  beyond  rounded,  with  long 

bristles Ceratopria  .\shm.,  gen.  nov. 

Second  flagellar  joint  shorter  than  the  first;  the  first  four  or  five  joints 

twice  longer  than  thick;  the  joints  beyond  long-oval  or  moniliform 

with  short  hairs,  or  joints  after  the  second  moniliform,  pilose. 

Tkichopiua  Ashm.,  gen.  nov. 
Scutellum  not  foveated  at  base. 

Second  flagellar  joint  about  as  long  as  the  first,  the  joints  beyond  long- oval  or 

moniliform,  hairy    Ph.*:nopbia  Ashm.,  gen.  nov. 

4.  Scutellum  not  foveated  at  base. 

Mesouotum  without  furrows. 
First  flagellar  joint  not  half  as  long  as  the  second Monelata  Forat, 


408  BULLETIN    15,  UNITED    STATES    NATIONAL    MUSEUM 

GALESUS  Curtis. 

lirit.  Ent.,  p.  341  (1831), 

Coptnn  Say,  Tiost.  .lour.,  i.  p.  2S2. 
Aniitoptt'ra  Hi!r.- Scliacf. 

(T,vp»>  G.  (DrniitHaVanz.) 

Headobloiijj  or  horizontal,  with  a  profound  frontal  sulcus,  the  angles 
of  whicli  are  acute;  occiput  broad,  rcninded;  ocelli  S. 

Antennse,  in  9 ,  12-jointed,  clavate-subnioniliforni,  the  pedicel  very 
small,  rounded;  the  scape  short,  stout;  in  S,  14  jointed,  filiform;  the 
scape  usually  angulated  a  little  beyond  the  middle;  the  pedicel  rounded 
but  larger  than  th(^  tirst  flagellar  joint. 

Maxillary  palpi  o  jointed, 

iMaiidibles  prolonged,  rostriform,  dentate. 

Thorax :  Prothorax  visible  from  above;  mesonotum  with  two  furrows, 
slightly  converging  posteriorly;  scutellum  rather  large,  somewhat  tiat 
or  subconvex,  with  a  grooved  line  along  the  sides  and  bifoveated  at 
base;  metathorax  emarginated  at  apex,  the  lateral  angles  acute. 

Frcmt  wings  folded,  often  emarginate  or  with  a  slit  at  apex,  pubes- 
cent, the  snbmarginal  vein  not  developed  or  terminating  before  attaining 
tl'e  costa;  the  basal  cell  incomplete;  the  basal  vein  obsolete  or  at  least 
water-lined. 

Hind  wings  veinless. 

Abdomen  i)cti<dated ;  in  9  ovate,  in  S  oblong-oval,  composed  of  ap- 
parently but  2  or  3  segments,  the  second  occupying  most  of  the  surface 
and  generally  inclosing  the  apical  segments,  with  a  sulcus  at  base; 
petiole  longer  than  thick,  grooved. 

Legs  rather  short,  the  femora  stont,  the  tibijv  clavate,  their  spurs 
weak;  basal  joint  of  hind  tarsi  about  one-third  h)nger  than  the  second; 
claws  small,  simple. 

In  the  oblong  horned  head,  the  rostrate  mandibles,  and  the  shape  of 
the  scape,  this  genus  is  quite  distinct  from  all  others  in  the  group. 

The  genus  Coptera  Say,  is  without  doubt  identical,  and  was  recog- 
nized as  synonymous  by  Mr.  A.  H.  Haliday  as  early  as  IS.")! ;  besides 
I  have  identified  his  tyi^e,  Coptera  polita,  which  proves  to  be  nothing 
but  a  small  Galesus  with  emarginated  and  folded  wings. 

On  Pi.  XVII,  Fig.  6, 1  figure  Galesus  6-punctatus  Ashm.  from  St.  Vincent. 

Our  species  may  be  thus  tabulated : 

TABLE   OF   SPECIES. 

FEMALES. 

Frontal  prominence  vrith  a  large,  broad,  diniuond-shaped  fovea;  its  .apex  not  emar- 
ginated between  tho  antennte. 

Antennie  brown,  tbe  legs  rufous G.  quebecexsis  Prov. 

Frontal  prominence  witb  a  less  distinct  fovea,  and  distinctly  emarginate  between, 
tlie  antennae. 

Antenuii'  entirely  black;  tbe  legs  piceons G.  atricornis,  sp.  nov. 

Scape  black,  tbe  fiagcUum  piceuus;  legs  bouey -yellow G.  politus  Say. 


MONOGRAPH  OF  THE  NORTH  AMKRH'AN  PROCTOTRYPIDiE.     409 

MALKS. 

Coxfp  pale. 

Anteniiii'  not  l<inK«r  tlian  thel)o«ly,  brown;  legs  honey-yell. >w G.  POLlTUS  Say. 

Coxa^  bhick. 

Aiiteunii'  loiijjer  tban  the  body,  pireouK;  legs  piccons G.  FLORlDANrs  Ashm. 

Aiitentiii'  shorter  thun  the  body;  scrape  black,  the  llag^lluiii  brown. 

Flagellar  Joints  twice  tin  l<»ng  as  thick,  except  the  first,  which  is  thrice  as  long 
as  thick;  last  two  ai>ical  abdominal  segjuents  nigoso-puuctatc. 

(i.  TKXANl :.s,  sp.  nov. 

Flagellar  joints  not  longer  than  thick,  except  the  first,  which  is  «»ne  and  a  half 

times  as  long  as  thick;  last  two  apical  abdominal  8e<;uients smooth. 

G.  piLosus,  sp.  nov. 

Oalesus  quebecensis  Prov. 

Pec.  Fann.  Can.,ii,  p.  .559;  Ashm.  Can.  Ent.,  xix,  p.  195;  Cress.  Syn.  Hym.,p.  251. 

9  .  Lengtb,  3.2'"'".  Black,  polislied,  sliiniiig-;  head  twice  as  long  as 
wide,  pilose,  the  cheeks  with  a  tuft  of  griseous  wool;  anteriorly  pro- 
foundly sulcate  and  exhibiting  4  acute  teeth;  frontal  prominence  with 
a  large,  broad,  diamond  shaped  fovea,  its  apex  not  distinctly  emargi- 
nated  between  the  antennfe.  Antenn.e  12-jointed,  extending  to  the 
apex  of  metathorax,  brown;  the  first  flagellar  joint  thrice  as  long  as 
thick,  the  second  twice  as  long  as  thick;  the  joints  from  here  gradually 
incrassated,  shorter  but  broader,  submoniliform ;  the  last  very  large; 
cone  shaped,  as  long  as  the  first.  Thorax  with  two  deep  furrows,  the 
scapula'  with  a  deep  sulcus  near  the  tegnla' ;  tegulie  large,  black ;  meta- 
thorax rugose,  opaque,  pubescent.  "Wings  subfuscous,  hyaline basally, 
pubescent;  folded,  but  not  fissured.  Legs,  including  coxjt?,  rufous. 
Abdomen  a  little  longer  than  the  head  and  thorax  together,  polished 
black;  the  petiole  st^ut,  with  deep  longitudinal  sulci,  sparsely  pilose. 

S  .  Length,  4'"'".  Black,  polished,  shining,  with  the  legs  red.  An- 
tennse  hairy,  the  joints  separated  at  the  sutures;  front  excavated  be- 
fore for  the  insertion  of  the  antenna;,  with  a  small  point  at  the  middle 
beneath  and  another  on  each  side.  Thorax  elongated,  depressed;  the 
metathorax  strongly  punctured  with  two  carinie  united  at  the  base  and 
diverging  toward  the  summit;  the  mesothorax  tuberculous.  Tegulaj 
large,  red,  black  at  base.  Legs  of  a  beautiful  red,  the  thighs  swollen, 
and  more  or  less  black.  Abdomen  jiedunculate;  the  petiole  grooved 
above  and  hairy  at  the  sides,  the  rest  forming  a  rather  short  oval;  the 
second  segment  with  small  foveje  at  base. 

Habitat. — Canada  and  District  of  Columbia. 

Type  (J  in  Coll.  Provancher;    9  in  Coll.  Ashmead. 

The  S  of  this  species  is  unknown  to  me,  and  the  above  description  is 
taken  from  Abbe  Provancher;  the  9  is  described  from  a  specimen 
captured  at  Washington,  D.  C,  which  could  only  be  correlated  with 
this  species. 

Oalesus  atricomis,  sp.  nov. 

9  .  Length,  2.6""".  Black,  polished.  AntennjB  12-jointed,  clavate, 
black,  reaching  only  to  the  tegulae ;  first  flagellar  joint  only  a  little  more 
than  twice  as  long  as  thick,  joints  beyond  to  sixth  shorter,  subequal; 


410  BULLETIN   4r.,  UNITED    STATES    NATIONAL   MUSEUM. 

from  hero  to  tlie  Inst  they  jue  longer,  (inadijite,  the  last  liirjje,  cone- 
sliapod.  Head  oblong,  sniootli,  anteriorly  just  above  the  frontal  exca- 
vation roughene<l,  the  angles  acute;  the  frontal  jirominence  eniargi- 
nated,  punctate,  with  a  snjall  discal  fovea;  beneath  the  eye  is  a  large, 
long  sulcus.  Mandibles  black.  Thorax  Mith  two  furrows  that  terminate 
anteriorly  just  before  rcaj'bing  the  collar.  Scutelluni  with  two  large, 
oblicjue  fovea*.  Metatliorax  pubescent.  Wings  fuscohyaline,  pubes- 
cent, folded,  with  a  deep  lissr.re  at  apex.  Legs  pieeous,  the  trochanters, 
the  slender  portion  of  the  tibia',  and  the  tarsi  honey-yellow.  Abdomen 
as  long  as  the  head  and  thorax^  together,  smooth,  i»olished,  the  apex 
with  some  sparse  white  hairs,  the  i»etiole  longitu<limilly  grooved,  with 
some  sparse  i)ubescence  at  the  apex  above  and  beneath. 

Hauitat.— Ottawa,  Canada. 

Tyi)e  in  Coll.  Ashmead. 

Described  from  a  single  s])ecinien  received  from  Mr.  W.  Flagiie  Har- 
rington. 

GalesuB  politus  Say. 

Coptera  poUla  Say,  Lee.  E«l.  Say's  Works,  ii,  p.  727;  Ashm.,  Can.  Eiit.,  xix,  p.  195; 
CresH.  Syn.  llyiii.  N.  A.,  ji.  '-'50. 

S  9  .  Length,  2.2  to  2.0""".  Polished  black.  Antenna?  12-jointed, 
clavate,  reaching  slightly  back  of  the  tegulte;  scape  black,  angulated 
within  before  the  tip;  pedicel  and  the  4  or  5  following  joints  honey- 
yellow,  the  joints  beyond  pieeous,  subn  )niliform,  the  last  the  largest, 
oblong,  sometimes  wholly  pi<'eons.  Antenna*  in  $  14- jointed,  filiform, 
a  little  shorter  than  the  body,  i)ale  brown,  the  scape  black,  the  flagellar 
joints  about  2i  times  as  long  as  thick.  Head  nearly  twice  as  hmg 
as  wide,  smooth,  polished,  the  anterior  angles  acute;  frontal  promi- 
nence with  a  discal  fovea  and  an  emargination  at  apex.  Mandibles 
rufous  or  pale.  Thorax  smooth,  polished,  with  two  distinct  furrows, 
the  middle  lobe  with  a  fovea  posteriorly.  Scutellum  with  two  oblong 
fovea?  at  base.  Metatliorax  j)nbescent.  Wings  subhyaline,  folded, 
pubescent,  with  a  deep  fissure  at  apex.  Legs,  including  coxa?,  honey- 
yellow  or  pate  rutbus.  Abdomen  oblong  oval,  polished,  not  as  long  as 
the  head  and  thorax  together. 

Habitat. — Indiana,  District  of  Columbia,  Oakland,  Md.,  and  Fort 
George,  Fla. 

Specimens  in  Coll.  Ashmead. 

This  species  is  not  rare  and  is  widely  distributed,  occurring  from 
Florida  to  Canada. 

Galesiis  floridanus  Ashm. 

Can.  Ent.,  iii,  p.  lO.'). 

i  .  Length,  1.5'""'.  Black,  polished,  covered  with  sparse  scattered 
pile.  Head  only  a  little  longer  than  wide,  smooth,  polished,  scarcely 
emarginated  anteriorly,  not  cornuted.    Antennae  14-jointed,  longertban 


MONOGKAl'H  OF  THK  NOUTH  AMKKK'AN  I'liOCTOTUYPID.I-:.  411 

the  body,  browiiisli  juccouh,  tlu*  flagellar  Joints  with  lonjj-  whitish  hairs; 
scape  swollen  at  the  middle  but  not  aiijiuhited.  Lej^s  honey-yellow  or 
jpale  rufous,  eoxa'  black,  the  femora  piceons.     NVings  hyaline,  ]Md)escent. 

IlAiiiTAT. — Fort  (leorjic,  Fhi. 

Tyi)e  in  Coll.  Ashmead. 

This  spe<'ies  on  account  of  the  non-cornuted  hcnd  may  not  be  a  p:eu- 
uine  Galetttin. 

Oalesus  texanus,  n|>.  iiov. 

3.  Length,  .'{.5""".  lilack,  shining;  Hagellnm  dark  brown;  scape 
and  coxa*  bla<'k;  legs  honey-yellow,  jiilose;  palpi  pale;  numdibles 
blackish.  Head  twice  as  long  as  wi<le,  smooth,  excej)!  the  stemmati- 
cum,  which  is  roughened.  AntiMMwe  extending  to  iii)ex  of  the  i)etiole, 
the  flagellar  Joints,  excci»t  the  first,  which  is  longer,  fnlly  twiee  as  long 
as  thi»'k.  Thorax  with  two  deep,  rvide  furrows,  converging  and  meet- 
ing at  base  of  the  si'utelliim;  metathorax  <arinated.  Wings  subhya- 
line,  pubescent,  slightly  emarginated  at  apex,  and  fohb'd.  Abdomen 
nearly  as  long  as  the  head  and  thorax  together,  i)olished,  the  i)etiole 
stout,  twice  as  long  as  thi<"k,  fluted,  the  second  segment  occupying 
nearly  the  whole  of  the  remaining  surface,  with  a  long  median  im- 
pressed line,  and  a  fovea  on  each  side  of  the  line  at  base,  apex  with 
some  sparse  white  hairs. 

Habitat. — Texas. 

Type  in  Coll.  Ashmead. 

Oalesus  pilosus,  sp.  nov. 

S.  Length,  2""'.  Black,  i)olished,  ]>ilose;  the  head  only  a  little 
longer  than  wide,  cornuted  anteriorly,  the  vertex  behin«l  with  a  row  of 
close  punctures;  flagellum  T)rown,  the  Joints,  except  the  first  and  last, 
moniliform,  not  longi'r  than  wide;  scape  and  coxa*  black,  the  legs  dis- 
tinctly rufous.  Collar  fluted.  Scutellum  with  2  large  fovea?  at  base. 
Metathorax  rugose.  Wings  subhyaline,  pubes<!ent.  Abdomen  a  little 
longer  than  the  thorax,  the  i>etiole  1^  times  as  long  as  thick,  striated, 
the  second  segment  sulcate  at  base. 

Habitat. — Texas.  r  ; 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen.  The  difference  in  the  head,  an- 
tennjp,  petiole,  and  the  sculpture  of  the  second  abdominal  segment 
readily  distinguish  the  species. 

PLATYMISCHnS  Westw. 

Phil.  Mag.,  I,  p.  128. 
(Type  P.  dilatatiis  Westw.) 

(PI.  XVII,  Fig.  7,  <?.) 

Head  oblong,  flattened,  the  occiput  subemarginated.  Eyes  rounded. 
Ocelli  in  9  wanting,  in  3  very  small. 


412  BULLETIN   45,  VNITKD   STATES   NATIONAL    MUSEUM. 

AiiteiiiuK  in  S  l-4-joiiit<'<l,  I  lie  scaiK>  iihiioniially  ciiliii'^cd,  dilated, 
vrith  :i  dt^ep  eiiiurKiiiatioit  within;  the  tliif^clhun  sli<;litl,v  incrassatiMl 
toward  ii|M*x,  the  joints  after  the  first  nionilitorni;  in  9  12 Jointed, 
chivate,  the  scape,  linear,  the  pediee!  longer  than  tlui  first  flajjellar  Joint, 
joints  'J  to  ."»  sul»e(|nal,  sul)};iobnlar,  tiic  followin{j  f'ornunjjf  tiie  cluh. 

Mandibles  bidentate. 

Tlutrax  oblonji-ipiadrat*',  the  protlnnax  not  visible  from  above; 
njesiMiotJim  convex,  without  furrows;  nietathorax  very  short,  not 
eniarjiinated,  the  angles  not  acute,  in  <^  si>ars«'ly,  in  9  densely  woolly. 

Winjis  wanting;  in  both  sexes. 

Abdomen  oval,  trtmcafe  behind,  the  i)etiole  very  short,  stout,  woolly, 
the  sei'ond  segment  occupying  nearly  the  wlM)]e  surface. 

Legs  short,  stout,  comi)ressed,  clavate,  the  tarsi  short. 

This  curious  genus,  known  only  in  a  single  species,  has  not  yet  been 
reeogni/ed  in  Ameriea,  the  species  described  as  such  by  Abbe  Provan- 
cher  under  the  nante  J'lati/mhschus  iorquuius  (Add.  a  la  Faune  Hym., 
p.  18li),  being  a  I)iai)riid  belonging  to  the  genus  TrophUtpria  and  allied 
to  J>i<(pria  conUa  Latr.  and  J>.  carindtu  Thomson. 

The  genus  PUtttfntixrhus  was  originally  characterized  from  the  male; 
and  to  the  liev.  T.  A.  Marshall  we  are  indebted  for  perfecting  the 
generic  diagnosis  by  the  dis<'overy  of  the  female.  Mr.  Marshall 
believes  the  genus  is  parasitic  on  Diptennis  hnvte  inhabiting  low 
marshes. 

LOXOTROPA  Forster. 

llyin.  Stiul.,  II,  p.  1£2,  1856. 

(Typo  /..  (iculutha  First.) 

Hefid  subglobose,  often  oblong,  with  a  frontal  sulcus,  the  occiput 
rounded;  cheeks  woolly;  eyes  rounded;  ocelli  3,  minute.  Antennse 
in  9  12-jointed,  clavate;  the  three  or  four  terminal  joints  most  fre- 
quently abruptly,  enormously  enlarged;  pedicel  usually  much  larger 
than  the  first  funiclar  Joint;  in  $  14-Jointed,  filiform;  scape  subcla- 
vate;  pedicel  short;  first  and  second  funiclar  joints  lengthened,  the 
first  slightly  the  longer,  the  second  thicker  and  usually  curved,  the 
joints  beyond  oval  or  cup  shaped,  seldom  nuich  longer  than  Avide. 

Mandibles  short,  bifid. 

Maxillary  palpi,  5-jointed. 

Thorax  ovoid;  prothorax  slightly  visible  from  above,  usually  covered 
with  a  whitish  wool,  always  present  at  sides;  mesonotum  smooth  with- 
out furrows;  scutellum  subconvex,  or  flat,  smooth,  truncate  at  apex, 
with  distinct  grooved  lines  along  the  sides,  and  a  fovea  at  base;  meta- 
thorax  short,  emarginated. 

Front  wings  pubescent,  the  submarginal  vein  terminating  in  a  small 
stigmated  marginal  vein  before  attaining  half  the  length  of  the  wing; 
basal  vein  always  present. 


MONOGliAPH  OF  THE  NORTH  AMKKICAN  PROCTOTRYPID.*:.     413 

Alxlonioii  oblonp  oval,  in   9  sliowinj;  7  aognu'iits;    the  petiole  short, 
woolly;  tlie  seeoiul  sej;ineiit  occupy  illy'  nea/ly  the  whoh'  aurface;  iu  <J 
8-s«'«,'inente<l,  the  petiole  loiifjer. 

Lej;s  moderate,  the  feni(»ra  ami  tibije  clavate,  the  tibial  sjmrs  weak, 
the  basal  joint  of  hind  tarai  fully  twice  as  loiij;  as  the  setroud,  in  the  i 
soinewliat  shorter. 

This  {jenus  wasorijiiiially  confused  with  Diapria,  but  is  at  once  distin- 
jfiiished  fnun  it  and  closely  allied  j;enera  by  the  frontal  impression, 
the  shape  of  the  scutellum,  and  the  distinct  basal  nervure.  In  the 
shape  of  the  head  the  fennile,  in  many  species,  recalls  somewhat  Gale- 
sus,  but  the  winj;s  and  antennae  are  quite  different. 

Our  species  may  be  distinj;uished  by  the  following  table: 

TABLE   OF   SPECIES. 

KEMALK8. 

Win^lrHN  or  i^ubiipterous  foriiiH 8 

\Vin<^t"(l. 

FroiiM  Hiiperiurly  not  auj^iil'it^d  iu  front  of  the  eyes 2 

FrouH  superiorly  anj^iilati-d  in  front  of  tins  eyes. 
Anteun.i-  and  lejjs  reddish-yellow  or  rufous;  the  club  abru]it,  3-jointed,  black. 
Fovea  of  scutellum  small,  rounded,  not  reachinf5  entirely  across  the  base. 

Metathonix  and  ])«'tiole  yellowish L.  colcmbiana,  sp.  nov. 

Metatliorax  and  jM-tiole  black L.  KUFICOKNIS,  sp  nov. 

2.  Scutellum  with  a  siu<;lo  fovea  at  base. 

Antenna"  and  legs  rufous,  the  club  abruj)t,  3-jointed. 
Fovea  of  scutellum  large,  transverse,  deep,  extending  entirely  across  the  base, 

the  lateral  grooves  entire L.  abrupta,  Thorns. 

Fovea  of  scutellum  small,  rounded,  shallow,  not  extending  entirely  across 
the  base,  the  lateral  grooves  obliterated  basally. 
,                                                                                           L,  (;alifornica,  sp.  nov. 
Scntellnm  with  two  small  confluent  foveje  at  base. 
Antenna^  and  legs  yellow,  the  club  abrupt,  3-jointed.  ' 

Second  funiclar  joint  much  shorter  than  the  first L.  flavipes,  sp.  nov. 

3.  Wings  deformed,  not  exteiuling  nuire  than  two-thirds  the  length  of  abdomen. 

Head  and  ivbdomen  black,  th<)rax  rufous. 
Antennie  and  legs  yellow,  the  club  abrupt,  3-jointed,  black.. L.  nana,  sp.  nov. 
Apterous. 
Entirely  black. 
Antenna)  and  legs  rufous,  the  club  abrupt,  3-jointed,  black.         5-. 

Scutellum  with  a  small  rounded  fovea (L.  californica.) 

Antenuie  and  legs  rufo-jticeous,  the  antennto  gradually  clavate. 
Scutellum  with  a  small,  shallow  fovea L.  pezomacuoides,  Ashm. 

Lozotropa  columbiaua,  sp.  nov. 

9.  Length,  1.5""".  Polished  black,  impunctured;  antennae,  except 
the  large,  abrupt,  3-jointed  chib,  the  legs,  apex  of  metathorax,  and  pet- 
iole, reddish-yellow.  Wings  hyaline,  pubescent,  the  stigma  piceou8,the 
submarginal  and  basal  nervures  pale  yellowish.  The  antennae  are 
12  jointed,  reaching  to  the  base  of  the  abdomen;  scape  as  long  as  the 


414  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

fuuicle,  siibclavate;  pedicel  obconic,  louger  and  thicker  than  the  first 
fuiiiclar  joint;  funiclar  joints  2  to  5  a  little  longer  than  thick;  the 
sixth  not  longer  than  thick;  the  seventh  transverse;  club  very  large, 
abrupt,  S-joiiited,  black;  tlie  joints  quadrate,  the  last  rounded  at  apex. 
Anterior  angles  of  thorax  acute,  piceous;  the  scutellum  Avith  a  small, 
shallow  fovea  at  base,  separate*!  into  two  parts  by  a  delicate  carina,  a 
slight  groove  at  each  side  posteriorly,  the  apex  truncate;  inetathorax 
short,  yellowish,  with  a  central  carina.  Abdomen  oblong-oval,  polished 
black,  the  petiole  yellow. 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Ash  mead. 

Lozotropa  nificomis,  ap.  iiov. 
(PI.  XVII,  Fig.  8,  9  ;  «,  head  of  <?  .) 

$.  Length,  l.C""".  Polished  black;  head  twice  as  wide  as  thick 
antero-posteriorly,  obliquely  rounded  oft"  posteriorly.  Mandibles  rufous. 
Palpi  pale.  Antennae  14-jointed,  rufous,  longer  than  the  body;  second 
flagellar  joint  longer  than  the  first,  swollen  toward  the  tip,  the  joints  be- 
yond to  the  last,  oval-moniliform,  twice  as  long  as  thick,  the  last  nearly 
twice  as  long  as  the  penultimate.  Tliorax  smooth  with  deep  mesonotal 
furrows,  the  middle  lobe  prominent,  convex.  Pronotum  not  impressed 
at  sides  in  front  of  the  tegula>.  Scutellum  with  a  single  large,  smooth 
fovea  at  base.  Metapleura  finely  sculptured,  rufous  toward  the  hind 
coxje.  Teguhe  rufous.  AVings  hyaline,  jmbescent,  with  moderately 
short  cilia.  Legs,  including  coxie,  reddish-yellow.  Abdomen  oval, 
polished,  the  i)etiole  hardly  twice  as  long  as  thick,  finely  sculptured 
an<l  pubescent. 

9  .  Length,  1.05""".  Anteniue,  except  the  abrupt,  3jointed  black; 
club,  rufous,  flagellar  joints  5  to  7  a  little  transverse;  frons  with 
acute  tubercles  before  the  eyes;  scutellum  with  a  small  shallow 
fovea  at  base,  not  divided  at  base  by  a  carina;  postscutellum  opacpie, 
shagrcened;  mctanotum,  with  an  acute  prominence  above,  behind  the 
postscutellum,  and  a  deep,  oblong  fovea  above  the  posterior  angles. 
Wings  clear,  hyaline,  pubescent,  while  the  abdomen  is  oblong-oval, 
polished,  the  petiole  finely  striated  and  covered  with  a  griseous  wool. 

Habitat. — Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Described  from  specimens  taken  by  myself  while  beating  in  low  places 
along  the  Potomac  River. 

"^    ■■"  Lozotropa  abrupta  Thome. 

Basalys  ahrupta  Tboins.,  Ofv.,  p.  368,  $  ;  Asliin.  Can.  Ent.,  xx,  p.  54. 

9  .  Length,  2""".  Polished  black,  impunctured ;  antennae,  except 
the  abrupt  3-jointed  black  club,  and  legs,  rufous.  Head  subglobose,  the 
frons  somewhat  flat.but  not  horned  or  tubercular.  Antennw  12-jointed; 
scape  rather  stout,  as  long  as  the  funicle;  pedicel  stout,  about  twice  the 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPmyE.     415 

length  of  the  first  fiiniclar  joint,  funiclar  joints  2  to  5  not  or  scarcely 
longer  than  thick,  0th  and  7th  transverse.  Scntellum  with  a  fovea  ail 
across  the  base,  connected  with  lateral  grooved  lines.  Metapleura 
covered  with  a  cinereous  pubescence.  Wings  subhyaliue,  pubescent; 
stigma  brown,  nervures  pallid.  Abdomen  oblong-oval,  polished  black, 
about  as  long  as  the  thorax ;  the  petiole  rugose,  pubescent. 
Habitat. — Europe,  Canada. 

A  specimen  of  what  is  evidently  this  P^uropean  species  was  sent  to 
me,  more  than  four  years  ago,  by  Mr.  W.  Hague  Harrington. 

Lozotropa  californica,  sp.  nov. 

9  ,  Length,  1.8""".  Allied  to  L.  abrupta,  but  differs  as  follows :  The 
first  flagellar  joint  is  two-thirds  the  length  of  the  pedicel ;  the  scutel- 
lum  has  a  very  shallow  not  large  fovea  at  base,  the  lateral  impressed 
lines  only  distinct  posteriorly;  wings  hyaline  or  very  slightly  tinged 
with  fuscous;  sometimes  wanting;  the  head  is  a  little  wider  before  than 
behind;  cheeks  behind,  collar  at  sides,  and  petiole  densely  woolly. 

Habitat. — Santa  Cruz  Mountains,  California. 

Types  in  Coll.  Ashmead. 

Loxotropa  flavipes,  sp.  nov. 

?.  Length,  1.3  to  1.6""".  Polished  black,  impunctured;  antennje 
(except  club)  and  legs  brownish-yellow  or  reddish -yellow;  wings  hya- 
line, pubescent,  the  stigma  piceous.  The  head  is  a  little  longer  than 
wide  and  a  little  wider  before  than  behind,  the  frons  flattened.  An- 
tennae 12-jointed,  as  in  L.  columbiana,  the  three  last  funiclar  joints  grad- 
ually widened,  transverse;  club  abrui^t,  3-jointed,  joints  1  and  2  quad- 
rate, joint  3  oblong.  Scutellum  with  2  small  fovea?  at  base,  usually  more 
or  less  confluent,  and  with  lateral  grooved  lines  posteriorly.  Metathorax 
roughened,  i)ubescent,  with  an  acute  i)roniinence  above.  Abdomen 
oblong-oval,  black,  shining,  the  petiole  with  a  long,  cinereous  pubes- 
cence. ■•''•-■; 

The  S  agrees  with  the  female  structurally,  except  the  fovefe  at  base 
of  scutellum  are  deeper  and  always  confluent,  and  in  having  14-jointed, 
filiform-moniliform  Jintennse.  Legs  and  antenna;  honey-yellow.  The 
pedicel  and  the  second  flagellar  joint  are  aboutof  an  equal  length,  tlie 
latter  a  little  curved  or  dilated  toward  one  side  at  apex,  the  first  more 
slender  and  shorter,  the  following,  to  the  last,  rounded-moniliform,  the 
last  ovate. 

Habitat. — Maryland,  Virginia,  and  District  of  Columbia. 

Types  in  Coll.  Ashmead. 

Loxotropa  nana,  sp.  nov. 

9  .  Length,  1' '"'.  Head  and  abdomen  blai^k,  polished ;  thorax  rufous ; 
legs  and  antennse,  except  the  club,  brownish-yellow,  or  honey-yellow; 
wings  not  fully  developed,  narrow,  not  reaching  to  the  ti^)  of  the  abdo- 


416  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

men.  The  head  is  loiiger  than  wide,  a  little  narrower  behind  than 
before,  the  frons  flattened.  Antenna>,  12-jointed,  with  an  abrupt  3- 
jointed,  black  club;  pedicel  much  stouteraud  larger  than  the  first  funiclar 
joint;  funiclar  joints  2  to  5  a  little  wider  than  long,  the  following  trans- 
verse and  shorter,    Scutellnm  with  a  small  rounded  fovea  at  base. 

Habitat. — .Jacksonville  and  Fort  George  Island,  Fla. 

Types  in  Coll.  Ashmead. 

Lozotropa  pezomachoides  Ashui. 
Can.  Ent.,  XX,  p.  53. 

9  .  Length,  1.2""".  A  small  apterous,  highly  polished,  black  species, 
with  dark  rufous-colored  legs  and  antennae,  and  covered  with  long, 
sparse  hairs;  the  cheeks  and  collar  woolly.  The  antennae  are  long, 
gradually  incrassated  towards  tips,  the  first  flagellar  joint  a  little  longer 
but  not  quite  so  thick  as  the  pedicel,  the  joints  2  to  5  longer  than  thick; 
joints  6  to  9  moniliform,  the  last  conic  nearly  twice  as  long  as  the  pre- 
ceding. Thorax  narrowed  anteriorly,  the  scutellum  with  a  very  small, 
slightly  impressed  fovea  at  base ;  the  metathorax  rugose. 

The  abdomen  is  ovate,  large,  fully  twice  as  wide  as  the  thorax, 
highly  polished,  with  gome  sparse,  long  hairs  and  a  very  short  petiole. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 

Described  from  four  specimens.  Quite  distinct  from  the  other  species 
of  this  genus,  and  probably  not  a  genuine  Loxotropa,  being  more  closely 
allied  structurally  to  the  new  genus  Trichopria. 

'.,■::    TROPIDOPRIA  Ashmead,  gen.  iiov. 
(Type  Z)ta2>ria  contca  Fabr.) 

Head  rounded,  smooth,  the  occiput  rounded;  cheeks  woolly ;  ocelli  3, 
small,  placed  on  the  anterior  part  of  the  head ;  eyes  round,  usually  with 
3  or  4  bristles. 

Anteniue  inserted  on  a  frontal  prominence;  in  9  12-jointed,  clavate, 
submoniliform ;  scape  cylindric,  reaching  beyond  the  ocelli;  pedicel 
ov«al,  thicker  than  the  first  funiclar  joint;  the  first  funiclar  joint  cylin- 
dric, narrowed  basally,  at  least  4  or  5  times  as  long  as  thick,  the  second, 
third,  and  fourth  shorter,  subequal,  all  narrowed  basally;  the  joints 
beyond  gradually  increase  in  size  and  are  more  or  less  moniliform, 
the  last  the  largest,  fusiform;  in  the  6  14-jointed,  filiform,  simple,  or 
pedicellate-nodose  with  whorls  of  hairs. 

Mandibles  short,  arcuate,  with  2  small  teeth  at  apex. 

Maxillary  palpi  5  jointed. 

Thorax  ovoid,  the  sides  flat;  prothorax  visible  from  above,  densely 
woolly;  mesonotum  smooth,  longer  than  wide,  without  furrows;  scu- 
tellum convex,  comiiressed  from  the  sides,  with  a  delicate  median  carina 


MONOGRAPH  OP  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     41 7 

on  the  disk  and  a  deep  fovea  at  base ;  metaseutellum  conically  promi- 
uent;  metathorax  short,  woolly,  with  subacute  angles. 

Front  wings  ample,  pubescent  and  fringed;  the  submarginal  vein 
terminates  in  a  short  punctiform  marginal  vein,  at  about  one-third  the 
length  of  the  wing;  otherwise  entirely  veinless. 

Abdomen  long,  conic-ovate,  composed  of  6  segments,  the  petiole 
longer  than  thick,  fluted,  pubescent  or  woolly;  the  second  occupies  about 
half  the  whole  surface;  the  third  and  fourth  very  short;  the  fifth  as 
long  as  the  third  and  fourth  together;  the  sixth  still  longer,  pointed 
and  stylus  like. 

Legs  long,  pilose,  especially  the  tibiae,  the  femora  and  tibiae  clavate, 
the  tibial  spurs  well  developed,  or  at  least  not  weak,  posterior  tarsi 
shorter  than  their  tibiae,  the  basal  joint  scarcely  twice  as  long  as  the 
second,  claws  well  developed,  falcate. 

This  genus  is  founded  upon  Diapria  conica  Fabr.,  and  is  closely  allied 
to  Diapria;  but  the  carinated  scutellum  and  the  diflerence  in  the  ab- 
domen readily  distinguish  it,  not  only  from  this  genus  but  from  all 
others  in  the  group.  In  tlie  <;arinated  scutellum  we  see  the  first  ap- 
proach to  the  cupuliform  scutellum  in  the  group  Eucoilime,  in  the  fam- 
ily Cynipida;,  and  like  that  group,  the  genus  is  parasitic,  so  far  as  we 
know,  on  Dipterous  larvse. 

The  following  table  will  aid  in  determining  our  species: 

^  TABLE  OF  SPECIES.  -:         ^ 

FEMALES. 

Abdomen  not  prodaced  into  a  long,  conical  point,  although  obtnsely  pointed  ..2 
/Abdomen  produced  into  a  long  conical  point, 

Scutellum  w'th  a  large  fovea  at  base,  the  bottom  usually  with  3  or  4  keels. 
Antennae  rufous,  the  five  or  six  terminal  joints  black  or  fuscous ;  legs,  includ- 
ing coxsB,  rufous T.  conica  Fabr. 

2.  Scutellum  with  but  a  single  keel  at  the  bottom  of  the  fovea,  the  continuation  of 
the  scutellar  carina. 
Autennse,  coxte,  and  middle  of  femora  piceous  or  blackish. 

Pedicel  longer  than  the  first  funiclar  joint T.  carinata  Thorns. 

Pedicel  much  shorter  than  the  first  funiclar  joint T.  tokquata  Prov. 

Scutellum  with  the  bottom  of  the  fovea  slightly  aciculated,  but  the  scutellar 
carina  ceases  before  reaching  it. 
Antennae,  coxje,  and  middle  of  femora  rufo-piceous. 
Club  5-jointed,  first  flagellar  joint  nearly  twice  as  long  as  the  pedicel. 

T.  81MULAXS,  sp.  nov. 

Antennte,   except   club,   and   legs   brownish-yellow;  club   4-jointed,  the  first 

three  flagellar  joints  equal,  very  little  longer  than  the  pedicel,  the 

second  and  third  shorter  than  first T.  tktbaplasta,  sp.  uov. 

218^9— No.  45 27 


418  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

Tropidopria  conica  Fabr.. 

(PI.  xviii,  Fig.  1,  9.) 

Cynipa  No.  33,  GeofFr.,  Hist,  des  Ins.,  ii. 

Cynipa  }>hragmitis  Sclirank,  En.  No.  647;  Vill.  Ent.,  iil,  p.  76,  No.  21  (t). 

Ichneumon  coniciis  Fabr.,  Ent.  Sys.,  ii,  188;  Vill.  Linn.  Ent.,  iii,  212. 

Pailus  conicus  Jnr.,  Hymn.,  ]).  319;  Spin.  Ins.  Lig.  Fasc,  iii,  p.  166. 

Diapria conica  Latr.,  Hist.  Nat.,  xiii,  231;  Gen.  Crust,  et  Ins.,  iv,  37;  ?  j  Nees, 
Mon.,  II.,  325,  <?  2  ;  »toph.  111.  M.,  vii,  Snppl.  10,  PI.  xi.vi,  fig.  2, 
$  ;  Ratz.,  Ichn.  d.  Forst.  Ins.,  in,  186  (Econ.);  Thorns.,  Ofv.,  1858, 
p.  360,  <?    $  ;  Marsh.,  Cat.  Brit.  Oxy.,  p.  112. 

S  9.  Length,  2.5  to  3"'"'.  Polished  bhick;  cheeks,  collar,  iiieta- 
thorax  and  petiole  woolly,  the  rest  of  the  surface  with  some  sparse 
hairs;  antennai, mandibles  and  legs  rufous,  the  scape  more  or  less  rufo- 
piceous,  the  five  apical  joiiits  black,  the  first  four  funiclar  joints  sub- 
cylindrical,  a  little  thicker  at  tip  than  at  base,  the  first  the  longest,  one 
and  a  half  times  longer  than  the  i)edicel,  the  three  following  joints 
equal  or  very  slightly  shortened,  the  fifth  much  thickened  at  tip,  the 
sixth,  seventh,  eighth,  and  ninth,  oval  inoniliform.  tlie  last  cone-shaped, 
slightly  longer  than  the  preceding. 

In  the  male  the  antennae  are  verticillate,  the  flagellar  joints  elon- 
gate-cylindrical, the  second  outwardly  emarginated  at  base.  Scu- 
tellum  with  a  large  deep  fovea  at  base,  sejiarated  into  two  parts 
by  the  medial  carina  that  extends  i)osteriorly  to  the  tip  of  the  scutel- 
lum,  the  bottom  with  3  or  4  raised  lines ;  laterally  the  scutellum  is 
densely  pubescent  and  posteriorly  there  are  some  erect  hairs.  Meta- 
thorax  densely  pubescent  or  woolly,  with  a  raised  prominence  at  base. 
Tegulse  black  or  piceous.  Wings  hyaline,  ciliated.  Abdomen  longer 
than  the  head  and  thorax  together,  couically  pointed,  the  petiole  pu- 
bescent, finely  rugose,  with  two  short  cariuse  at  base  above;  second 
segment  very  long,  with  two  foveolfe^at  base;  third  and  fifth  segments 
about  equal  in  length,  twice»as  long  as  the  fourth;  sixth  produced  into 
a  conic  point,  about  as  long  as  the  third,  fourth,  and  fifth  together,  the 
ovipositor  slightly  projecting  from  its  tip. 

Habitat. — England,  Europe,  and  North  America. 

Specimens  in  National  Museum  and  Coll.  Ashmead. 

This  European  species  is  now  evidently  widely  distributed  ih  North 
America,  and  has  probably  been  imported  with  its  Syrphid  host,  Uris- 
tolls  tenax.  I  have  specimens  from  Long  Island  and  Albany,  N.Y.; 
Ottawa,  Canada;  Arlington,  Va.;  Washington,  D.  C;  and  Marquette, 
Mich.  It  is  recorded  by  Kirchner  (Cat.  Hym.  Europae,  p.  204)  as  para- 
sitic on  Eristalis  tenax,  and  I  have  seen  specimens  in  the  Berlin  Mu- 
seum reared  from  this  insect,  while  Mr.  L.  O.  Howard  informs  me 
Dr.  Liutner  has  reared  it  from  this  same  Dipteron  at  Albany,  N.  Y. 

Tropidopria  carinata  Thorns. 
Diapria  carinata  Thorns.,  Ofv.,  1858,  p.  361. 

? .  Length,  2.5" "".  Polished  black ;  cheeks,  collar,  metapleura,  and 
petiole  posteriorly,  woolly;  rest  of  its  surface  with  long,  sparse  hairs; 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPIDiE.     419 

antennae,  mandibles,  coxa;,  and  the  thickened  portion  of  the  femora  and 
tibia3  piceoiis  or  brown-black,  rest  of  the  legs  rufous;  the  pedicel  is 
stouter  and  a  little  longer  than  the  first  funiclar  joint,  the  joints  be- 
yond to  the  sixth  very  gradually  decreasing,  but  slightly  thickened ;  the 
seventh  large,  oval,  the  three  terminal  joints  greatly  enlarged,  the 
last  oblong.  Fovea  of  scutellum  smooth  at  base,  separated  into  two 
parts  by  the  scutellar  carina,  the  sides  not  densely  pubescent.  Meta- 
thorax  with  a  prominence  at  base  and  foveated  at  sides,  nearly  bare. 
Tegulai  black.  Wings  subhyaline,  pubescent.  Abdomen  not  longer 
than  the  head  and  thorax  united,  not  conically  pointed  at  apex,  and 
depressed,  the  petiole  not  much  longer  than  thick,  fluted;  the  second 
segment  occupies  the  greater  portion  of  its  surface,  the  third  short, 
slightly  longer  than  the  fourth,  the  fifth  longer  than  the  third,  the 
sixth  not  longer  than  the  fifth. 

Habitat. — Canada  and  Europe. 

Specimens  in  Coll.  Ashmead. 

A  single  specimen  received  from  Mr.  W.  H.  Harrington,  taken  at 
Ottawa,  Canada,  could  not  be  separated  from  European  specimens  of 
this  species  in  my  collection,  and,  like  T.  conica,  it  has  probably  been 
imported  into  this  country  on  some  Dipterous  host. 

'  Tropidopria  torquata  Prov.      -  ^ 

Platymischus  torquatus  Prov.,  Add.  et  C'orr.,  p.  182. 

5  .  Length,  2.8'"'".  Closely  allied  to  G.  carinata,  but  with  the  fol- 
lowing distinct  diflferences :  The  pedicel  and  two  or  three  funiclar  joints 
are  more  or  less  rufous,  the  pedicel  much  shorter  than  the  first  funiclar 
joint,  and  the  club  really  begins  with  the  fifth  funiclar  joint,  the  joints 
from  the  sixth  to  the  last  being  quadrate,  the  last  conic ;  scutellum 
with  a  large,  smooth  fovea  at  base,  without  raised  lines  at  bottom  and 
not  separated  into  two  parts  by  the  forward  extension  of  the  median 
carina;  tegulte  black;  wings  hyaline;  the  legs  show  more  rufous  than 
in  D.  carinata,  the  femora  and  tibisB  not  being  so  dark;  petiole  of  abdo- 
men longer,  more  pubescent,  and  not  distinctly  fluted;  the  third  seg- 
ment is  longer  than  either  the  fourth  or  the  fifth,  the  latter  very  slightly 
longer  than  the  fourth,  while  the  sixth  is  very  little  longer  than  the 
third. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

Described  from  Provancher's  type,  given  me  by  Mr.  W.  H.  Harring- 
ton. ^ 

Tripidopiia  simulans,  sp.  no  v. 

9  .  Length,  2  to  2.5'""'.  Approaches  nearest  to  T.  torquata^  but  differs 
as  follows:  AntennsB  dark  rufous,  very  gradually  clavate,  more  slender 
than  iu  torquata,  the  pedicel  one-third  shorter  than  the  first  funiclar 
joint,  the  funiclar  joints  to  the  fifth  slender,  decreasing  in  length,  the 


420  BUI-LETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

fifth  stouter,  the  joints  beyond  to  the  last  oval -moniliform,  the  last 
cone-shaped.  The  scntellum  has  a  single  large  fovea  at  base,  thti  bot- 
tom with  some  raised  lines;  the  median  carina  distinct  only  at  the  tip 
of  the  scutellum.  Coxie  piceous-black,  the  legs  nifoiis.  Tegulai  black. 
Wings  subhy3,line,  with  a  fuscous  pubescence.  The  third  abdominal 
segment  is  very  little  longer  than  the  fourth,  the  fifth  and  sixth  about 
eq^lal,  and  longer  than  the  third  and  fourth  together. 

Habitat. — Ottawa,  Canada.  \ 

Types  in  Coll.  Ashmead. 

Described  from  two  9  specimens  received  from  Mr.  W.  Hague  Har- 
rington. 

'  Tropidopiia  tetraplasta,  Hp.  nov. 

9  .  Length,  not  quite  2"'""  Polished,  black ;  cheeks  bare ;  collar,  met- 
apleura  and  petiole  woolly ;  dorsum  of  metathorax  bare,  smooth,  with 
a  median  carina;  mandibles  piceous;  antenna;,  except  the  club,  and 
the  legs,  including  coxa',  pale  brownish-yellow.  Antennae  12-jointed, 
terminating  in  a  4-jointed  club;  the  pedicel  is  much  stouter,  but  not 
quite  as  long  as  the  first  flagellar  joint ;  the  first,  second,  and  third 
flagellar  joints  equal,  the  three  following  a  little  shorter  and  thicker,  the 
club  rather  abrupt,  the  last  joint  the  largest,  oval,  but  scarcely  longer 
than  the  penultimate.  Scutellum  with  a  large  fovea  at  base,  its  bot- 
tom with  about  5  raised  lines;  dorsum  of  scutellum  carinated,  but  the 
carinae  not  extending  into  the  fovea.  Wings  large,  ciliated,  the  mar- 
ginal vein  triangular,  pale  brown.  Abdomen  pointed-ovate,  scarcely 
longer  than  the  head  and  thorax  together,  the  petiole  short,  not  longer 
than  thick,  woolly,  the  apex  pointed,  pilose. 

Habitat. — Washington,  D.  C.  . 

Type  in  Coll.  Ashmead. 

Described  from  a  single  specimen  taken  in  October.  It  comes  nearest 
to  T.  Himnlans,  but  the  antennjB  are  quite  different,  Laving  a  distinct 
4-joiuted  club,  and  the  color  of  antenna)  and  legs  are  pale  yellowish. 

DIAPRIA  Latreille 

Pr^c,  p.  110  (1796);  Forater,  Hym.  Stud.,  ii,  p.  123  (1856). 
F^lua  Pauz. 

(Type  D.  clegana  Jut.) 

Head  rounded  or  subglobose,  without  a  frontal  sulcus,  the  occiput 
rounded.  Ocelli  3,  small,  placed  anteriorly.  Eyes  rounded.  Antennae 
on  a  frontal  prominence,  in  $  12-jointed,  clavate,  or  gradually  incras- 
sated  toward  tips,  sometimes  the  last  three  or  four  joints  much  en- 
larged; the  scape  extends  beyond  the  ocelli;  the  pedicel  is  usually 
longer  and  stouter  than  the  first  fuuiclar  joint ;  in  S  14-joiuted,  nodose- 
pedicellate,  with  whorls  of  long  hairs,  the  first  funiclar  joint  longer 
than  the  second,  the  second  curved  or  dilated  toward  one  side, 

Maxillary  palpi  rather  short,  0-joiuted. 

Mmidibie^  bifid  at  ti{>s. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^E.     421 

Thorax  ovoid,  the  prothorax  slightly  visible  from  above,  usually 
woolly;  mesonotuin  a  little  longer  thau  wide,  smooth  without  furrows; 
the  mesopleura  smooth,  uot  impressed;  seutellum  rather  suiall,  sub- 
convex,  rounded  oft"  posteriorly  without  a  medial  carina,  and  uuifoveated 
at  base;  metathorax  short,  woolly,  or  i)ubescent,  with  an  angulated 
prominence  at  base,  and  more  or  less  acute  lateral  angles  posteriorly. 

Front  wings  pubescent,  with  submarginal  vein  terminating  iu  a 
punctiform  umrginal  vein  at  about  one-third  the  length  of  the  wing; 
otherwise  entirely  veinless. 

Abdomen  ovate  or  oval,  7  or  8  segmented ;  the  petioh*  longer  than 
thick,  woolly,  the  second  segment  occupying  most  of  its  surface,  the 
following  segments  being  very  short. 

Legs  rather  long,  pilose;  the  femora  and  tibije  clavate;  the  tibial 
spurs  distinct;  posterior  tarsi  at  least  as  long  as  the  tibiae ;  the  basal 
joint  one-third  longer  than  the  second. 

The  student  will  have  no  difficulty  in  recognizing  the  males  in  this 
genus,  as  here  restricted;  but  with  the  females  it  is  quite  different, 
many  females  in  the  new  genera  Geratopria,  Trichopria,  and  Phcmopria 
closely  resembling  those  of  Diaprut.  Phccnopria  can  always  be  dis- 
tinguished by  the  absence  of  a  fovea  at  base  of  the  seutellum;  Cerate- 
pria  most  frequently  has  two  small  fovese  at  base  of  the  seutellum;  the 
head  is  usually  longer  than  wide,  with  a  frontal  sulcus,  and  the  club  of 
antenujB  is  generally  abrupt;  while  Trichapria,  which  is  the  most 
closely  allied,  may  be  distinguished  by  the  less  prominent  ridge  at  base 
of  the  metathorax,  wiiich  is  areolated  or  bifovealated ;  the  seutellum  has 
one  or  two  shallow  fovea?  at  base,  while  the  abdomen  is  oblong-oval  and 
less  pointed  at  apex. 

The  following  table  will  aid  in  determining  our  species:  ., 

TABLE   OF   SPECIES. 

FEMALKS. 

Club  of  antennsB  4-jointed 3 

Club  of  antenna}  3-joiiited. 
Antennae  and  legs  reddish-yellow,  or  yellow,  Bometiraes  more  or  less  piceous, 

the  club  black 2 

AntenniB  and  legs  black. 

Second  funiclar  joint  two-thirds  the  length  of  the  first,  the  following  joints 
to  the  club  cylindrical,  at  least  twice  as  long  as  thick. 

D.  CALIFORNICA,  sp.  nOV. 

Recond  funiclar  joint  half  the  lengtli  of  tlie  first  and  very  little  longer  than 
thick,  the  following  joints  to  club  short,  moniliform. 

D.  UTAHENSIS,  sp.  nOV. 

2.  First  funiclar  joint  thrice  as  long  an  thick,  the  following  joints  at  least  twice  as 
long  as  thick. 

Legs  uniformly  reddish-yellow D.  erythropcs,  sp.  nov. 

Legs  piceous,  the  slender  parts  of  femora,  tibiae,  and  the  tarsi,  honey -yellow. 

D.  AGROMYZ^  Fitch. 
First  funiclar  joint  only  twice  as  long  as  thick,  the  following  joints  scarcely 
longer  than  thick. 
Legs  yellow D.  TKx aka,  sp.  nov. 


422  BULLETIN   45,  UNITED    STATES    NATIONAL    MUSEUM. 

3.  Head,  thorax,  and  abdomen  black 4 

Head  and  abdomen  black,  the  thorax  rufons D.  EKYTiiUdTiioitAX  AHhui. 

4.  Club  slender,  the  i)edicel  much  shorter  than  the  first  fiiniclar  Joint. 

Autenme  and  le;i8  long,  yellow,  the  clnb  black ;  fnniclar  Joints  all  very  long, 
slender,  the  first  the  longest,  twice  as  long  as  the  jicdicel,  the  others 

Hubeqnal D.  «<)I,i;mbiana,  sp.  uov. 

Club  incrassated,  the  pedicel  longer  than  the  first  uiniclar  joint. 
Anteunie  and  legs  piceous  or  black,  trochanters,  base  of  tibia',  and  tarsi  yellow. 
Last  joint  of  club  much  enlarged-,  4  times  as  large  as  the  ])ennltimate,  the  first 
Jointdistinctly  largerthan  thelastfuniclar joint  ...D.  aumata  Ashm. 
Last  Joint  of  club  not  especially  <mlarged,  only  twice  as  large  as  the  penul- 
timate, the  first  joint  not  much  longer  than  the  last  funiclar  Joint. 

D.  COLON  «ay. 
Antenna'  and  legs  rufous  or  reddish-yellow,  the  club,  or  the  terminal  joint    of 
clnb  alone,  black. 

Three  terminal  joints  black D.  tetrai'lasta,  sp.  nov. 

Club  wholly  black. 
Last  four  funiclar  Joints  not  or  scarcely  longer  than  thick. 

D.  VIRGINICA,  sp.  nov. 
All  funiclar  joints  fully  twice  as  long  as  thick D.  Mt'sc^t:,  sp.  nov. 

MALES. 

Head  and  abdomen  black,  thorax  rufous D.  erythrothorax  Ashm. 

Wholly  black,  antenuie  and  legs  ringed  with  piceous D.  musc.k,  sp.  nov. 

The  following  species  described  by  Thomas  Say  under  the  old  genus 
Psilus,  probably  belong  in  this  genus:  Psilus  ahdomlnaliH,  P.  ohtustis, 
P.  ciliattis,  and  P.  apicalis.    They  remain  unknown  to  me. 

Diapria  californica,  sp.  nov. 
(PI.  XVIII,  Fig.  3,   9  ;  a,  i  antenna.)  :       . 

5  .  Length,  1.4  to  1.5 ""  .  Polished  black,  impunctured,  covered  with 
sparse  long  hairs ;  sides  of  collar  and  petiole  woolly ;  palpi  brown  black ; 
legs  black,  pilose,  the  tarsi  dark  brown.  Antennae  12-jointed,  black, 
sparsely  pilose,  terminating  in  a  3-jointed  club;  the  firr.t  flagellar  joint 
is  longer  than  the  pedicel,  the  latter  nm(!h  the  stouter;  flagellar  joints 
2  to  6  subequal,  the  seventh  a  little  longer  and  stouter  than  the  sixth; 
club  3-jointed,  the  last  joint  ovate,  not  quite  twice  as  long  as  the  jireced- 
ing  joint  but  wider  at  base.  Scutellura  with  a  deep  fovea  at  base 
connected  with  lateral  impressed  linc«.  Metathorax  opaquely  sculp- 
tured, with  a  i>rominence  above  and  covered  with  a  fine  pubescence. 
Wings  hyaline  or  very  faintly  tinged,  strongly  fringed,  the  marginal 
nervure  wedge-shaped,  rust  brown ;  there  is  also  a  fuscous  streak  across 
the  wing  below  the  marginal  nervure.  Abdomen  ovate,  polished,  the 
last  segment  produced  into  a  little  point,  with  long  sparse  hairs;  petiole 
a  little  longer  than  thi<?k,  roughened  and  covered  with  a  fine  woolly 
pubescence. 

The  S  agrees  with  the  female  except  the  antennai  are  14-jointed,  long 
filiform,  with  the  scape  black,  the  flagellum  brown,  pilose;  the  first 


MONOGRAPH  OF  THE  NORTH  AMKRICAN  PROCTOTRYPID.E.     423 

flagellar  joint  is  the  longest  joint,  the  second  is  a  little  shorter,  clavate, 
a  little  curved,  the  following,  very  little  shorter,  fusiform. 

Habitat. — Santa  Cruz  Mountains,  California. 

Types  in  National  Museum. 

Diapria  utahenais,  Hp.  nov. 

J .  Ijengtli.  1.4'""'.  Agrees  in  every  respect  with  7).  cali/ornica,  ex- 
cept as  follows :  The  antennie  are  a  little  shorter;  the  ttrst  flagellar 
joint  is  scarcely  longer  than  the  pedicel;  the  second,  about  half  the 
length  of  the  first;  the  following  to  the  club  all  short,  not  or  scarcely 
longer  than  thick,  very  slightly  widened,  moniliform;  club  3-jointed, 
the  first  joint  moniliform,  the  last  oblong.  The  fovea  at  base  of  scutel- 
lum  is  shallow  as  compared  with  D.  californica,  and  not  connected  with 
the  lateral  impressed  lines.  The  petiole  is  as  thick  as  long ;  therefore 
a  little  shorter  than  in  D.  californica,  while  the  body  of  the  abdomen 
is  a  little  longer. 

Habitat. — Salt  Lake,  Utah. 

Types  in  Coll.  Ashmead. 

Two  ?  specimens  received  from  Mr.  E.  A.  Schwarz. 

Diapria  erythropus,  sp.  tiov. 

9.  Length,  1.6  to  1.8""'.  Polished  black,  impunctured;  antennee, 
except  club,  and  legs,  reddish -yellow ;  metathorax  and  petiole  piceous; 
wings  hyaline,  strongly  fringed. 

Antennae  long,  12-jointed,  terminating  in  a  3-jointed,  black  club;  the 
first  flagellar  joint  is  about  as  long  as  the  pedicel,  more  slender,  cylin- 
drical, joints  li  to  6  subequal,  seventh  much  longer  and  stouter  than 
the  sixth ;  club  joints  all  longer  than  thick.  Collar  woolly  at  sides.  Scu- 
tellum  faintly  foveated  at  base,  very  slightly  ridged  toward  apex,  the 
sides  sloping  and  with  a  slight  impressed  line.  Abdomen  ovate,  a  little 
longer  than  the  thorax,  polished  black,  the  petiole  piceous  or  yellow- 
ish, scarcely  longer  than  thick,  pubescent  above  and  beneath. 

The  $  differs  in  having  long  14-jointed  antennae,  rufo-piceous  toward 
tips,  the  joints  relatively  as  in  Z).  californica,  the  thickened  parts  of  the 
legs  more  or  less  piceous,  while  the  abdomen  is  shorter  and  of  au  oval 
shape,  colored  as  in  the  female. 

Habitat. — District  of  Columbia,  Virginia,  and  Florida. 

Types  in  Coll.  Ashmead. 

Diapria  agromyzae  Fitch. 

Second  N.  Y.  Report,  p.  303;  Cress.  Syn.  Hym.  N.  A.,  p.  251. 
"The  Wheat  Mow  Fly's  Parasite.  They  measure  0.06"'"'  in  length, 
and  to  the  tip  of  the  closed  wings,  0.08"  ".  They  are  black  and  shining, 
with  shanks  thickened  toward  their  tips,  the  hind  pair  very  long,  and 
the  legs  are  pale  yellowish,  with  the  thighs  and  the  thickened  ends  of 
the  shanks  black.    The  abdomen  is  elliptic.    The  antennae  in  the  males 


424  Bl'LLETIN   45,  UMTED    STATES    NATIONAL    MIT8KUM. 

art-i  thread-like  and  nearly  as  lonj;  ii«  tlie  body,  conii>ose<l  of  14  jointH, 
which  are  very  <listinct,  equal,  oval,  a  third  longer  thnn  broad,  the 
apical  one  beinjj  a  little  longer  and  egg-8hai>ed,  and  tlie  basal  one  club- 
shaped,  and  thrice  as  long,  but  scarcely  thicker,  than  the  following  ones. 
In  the  f^iuiale  they  are  shorter  and  troniposed  of  12  joints,  which  are 
compacted  together,  the  three  last  enlarged  and  forming  a  kind  of  knob 
or  club,  the  last  joint  nearly  as  long  as  the  two  which  precede  it,  its 
end  bluntly  rounded." 

Habitat. — New  York  and  Long  Island. 

Reared  by  Dr.  Fitch  from  Agromyza  tritici. 

A  single  $  specimen,  doubtfully  referred  to  this  species,  is  in  my 
collection  obtained  frc  a  Mr.  Martin  Linell.  It  measures  1.5"""  long  and 
is  sinnlar  to  D.  erythropuH,  but  dift'ers  as  follows:  Antennae  piceous- 
black;  the  seventh  funiclar  joint  is  only  a  little  longer  and  stouter  than 
the  sixth;  the  legs  are  honey-yellow,  with  the  hind  coxse  black,  and 
the  clavate  parts  of  the  femora  and  tibise  piceous. 

Qiapria  tezana,  s]).  iiov. 

9  .  Length,  1.8"""'.  Cl»«ely  allied  to  D.  erythropns,  but  with  the  legs 
more  decidedly  yellow,  the  funiclar  joints  very  gradually  shortening,  the 
joints  after  the  first  only  a  little  longer  than  thick,  the  seventh  shorter 
than  the  sixth  and  very  little  stouter,  the  club  much  larger.  The  fovea 
at  base  of  scutellum  is  more  deeply  impressed,  the  metathorax  more 
pubescent,  while  the  petiole  is  black;  otherwise  as  in  D.  erythropm. 

Habitat. — Texas. 

Type  in  Coll.  Ashmead. 

Diapria  erythrothorax  Ashm. 
Can.  Ent.,  XIX,  p.  196. 

9.  Length,  1.5""".  Head  and  abdomen  black,  shining;  thorax, 
reddish-yellow ;  legs  and  antennse,  honey-yellow.  Antennae,  14-jointed, 
the  joints  pedicellate-nodose,  with  whorls  of  bristles;  the  second  flagel- 
lar joint  the  longest,  clavate,  a  little  curved,  the  first,  being  but  two- 
thirds  as  long  as  the  second,  obconic.  The  scutellum  has  a  fovea  across 
the  base,  without  distinct  lateral  impressed  lines,  the  apex  slightly  ridged 
or  compressed.  Collar  and  petiole,  woolly.  Wings  hyaline,  strongly 
fringed;  the  nervures  pale  yellow.  Abdomen  oval,  black,  polished, 
shorter  than  thorax. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Diapria  colmnbiana,  sp.  nov. 

9.  Length,  2""^.  Polished  black,  impunctured;  antennae,  except 
the  slender  4-jointed  club,  and  the  legs  reddish-yellow.  Head  sub- 
globose,  narrowed  behind  the  eyes.  Antennae  12-jointed,  long  and 
slender,  the  first  flagellar  joint  twice  as  long  as  the  pedicel,  slender. 


mono(;raimi  of  the  nohth  amerkan  proctotuypii).«.    425 

cylindrirsil,  Joints  2  toO  very  {friidiially  (lo<TeH8iiif;,  tin*  WH^ond,  fully  four 
times  ;i.s  lon^  as  thick,  the  last,  a  little  thi<;ker  than  the  preceding, 
very  little  more  than  twice  as  long  as  thick;  club  4-jointed,  blai'k,  the 
last  joint  ovate,  a  little  longer  and  thicker  than  the  preceding,  the 
others  oval.  Thorax  obli<inely  narrowed  before,  the  collar  produced 
into  a  little  rounded  neck.  Scutellum  with  a  curved  impression  at 
base.  Wings  clear  hyaline,  strongly  fringed,  the  nervures  pale  yellow- 
ish. Hind  c^)xse  large,  oblong;  all  the  legs  very  long,  the  trochanters 
long,  the  femora  and  tibiie  long,  clavate.  Abdomen  ovate,  black,  pol- 
ished; the  petiole  twice  as  long  as  thick,  tinted. 

Habitat. — District  of  Columbia  and  Virginia. 

Type  in  Coll.  Ashmead.  -  . 

Diapria  armata  Asbm. 
Cau.  Ent.,  xx,  p.  53. 

9  .  Length,  1.6°"".  Polishedblack,  impunctured,  cheeks,  collar, met- 
athorax,  and  petiole, woolly;  legs  piceous- black,  with  the  trochanters, 
base  of  femora,  tibite,  and  tarsi  rufous.  Antennie  12-joiuted,  black, 
clavate,  the  club  4-jointed,  incrassated,  the  last  joint  conic-ovate,  stouter 
and  as  long  as  the  3  preceding  joints  united ;  first  funiclar  joiMt  a  little 
longer  and  slenderer  than  the  pedicel,  the  following  joints  shorter,  a 
little  longer  than  thick  and  very  slightly  widened  at  tips,  the  last 
joint  a  little  thicker  than  the  preceding.  Scutellum  with  a  transverse 
fovea  at  base  connected  with  the  lateral  impressed  lines.  Metathorax 
with  a  very  sharp,  prominent,  triangularly  acute  keel  just  back  of  the 
postscutellum,  the  sides  densely  woolly  or  pubescent.  Wings  hyaline, 
strongly  fringed,  with  a  streak  across  the  wing  below  the  stigma. 
Abdomen  ovate,  polished  black,  the  petiole  a  little  longer  than  thick, 
fluted. 

Habitat. — Ottawa,  Canada.  '  '     ' 

Type  in  Coll.  Ashmead. 

A  single  specimen  received  from  Mr.  W^.  Hague  Harrington. 

Diapria  colon  Bay. 

PaUits  colon  Say.,  Bost.  .Jour.,  i,  284;  Lee.  Edit.,  ii,  p.  729. 
Ihapria  colon  Cross.,  Syn.  Hyni.,  p.  251. 

5.  Length,  1.1""".  Polished  black,  impunetate;  cheeks  behind, 
collar  and  metapleura  woolly;  legs  black,  sutures  of  trochanters,  base 
of  tibiai,  and  the  tarsi  piceous  or  brown ;  wings  subhyaline,  strongly 
fringed,  with  a  dusky  streak  below  the  stigma.  Antennae  12-jointed, 
terminating  in  a  4-jointed  club,  the  last  joint  oblong,  as  long  as  the  two 
preceding  joints  united,  the  first  and  second  joints  moniliform,  the 
first  much  smaller  than  the  second,  the  third  quadrate,  wider.  Scutel- 
lum with  a  distinct  fovea,  the  fovea  itself  with  2  punctures  at  bottom 
and  connected  with  impressed  lines  at  the  sides,  which  themselves  are 
connected  with  a  transverse  punctate  line  at  the  apex  of  the  scutellum. 


426    BULLETIN  45,  UNITED  STATES  NATIONAL  MUSEUM. 

Abdomen  oblong-ovsil,  polinlied  black,  the  petiole  a  little  lc:!."er  than 
thick,  striated,  pubescent. 

Hauitat. — California,  Indiana. 

This  Ri)eciea  is  recojjnized  from  a  ainjrle  specimen  discovered  in  a 
small  lot  of  Hynienoptera,  purchased  fnun  a  collector  in  (California. 

Diapria  tetraplasta,  Hp.  nov. 

9.  Length,  1. (»"'"'.  Polished  black;  antennsc,  except  the  three  ter- 
minal joints  of  the  club  which  are  black,  dark  rufous;  legs  pale  rufous 
or  reddish-yellow.  Antenna^  12  Jointed,  terminating  in  a  4-jointed  club, 
the  flagellum  two  and  a  half  times  as  long  as  the  scape;  pedicel  longer 
and  thicker  than  the  first  funiclar  joint,  the  following  joints  to  the  club 
scarcely  longer  than  thick ;  the  first  joint  of  club  small,  oval,  the  second 
larger,  the  third  still  larger,  transverse,  the  last  longer,  conic,  but  not 
thicker  than  the  preceding.  Scutellum  with  a  shallow,  smooth,  trans- 
verse fovea  at  base.  Wings  fusco-hyaline,  pubescent,  and  with  long 
cilias,  the  marginal  vein  small,  triangular.  Abdomen  ovate,  pointed  at 
apex,  polished  black,  the  petiole  about  twice  as  long  as  thick,  i)iceou8, 
and  fluted. 

Habitat. — Carolina  and  Washington,  D.  0.  ' 

Types  in  Berlin  Museum  and  Coll.  Ashmead. 

Described  from  a  specimen  in  the  Berlin  Museum,  labeled  ''Carolina, 
Zimmermann,"  and  speciujens  in  my  collection  from  Washington. 

Diapria  virginica,  n}>.  noV^. 

9.  Length,  1.5""".  Polished  black;  antennae,  except  the  4-jointed 
club  and  the  legs,  reddish  yellow ;  collar,  metapleura  and  petiole  cov- 
ered with  a  cinereous  wool.  Antennae  12-jointed;  first  funiclar  joint 
shorter  than  the  pedicel;  the  second  almost  as  long  as  the  first;  joints 
3  and  4  very  little  longer  than  thick;  5  and  G  rounded;  club  black,  4- 
jointed,  the  first  joint  not  quite  as  wide,  or  as  long,  as  the  following,  rounded 
behind,  cup  shaped,  the  second  and  third  quadrate,  the  last  ovate,  one- 
half  longer  than  the  preceding.  Scutellum  with  a  shallow,  transverse 
fovea  at  base;  the  impressed  lateral  lines  only  indicated  posteriorly, 
entirely  wanting  anteriorly.  Wings  clear  hyaline,  strongly  fringed, 
the  stigma  yellowish.  Abdomen  ovate,  polished  black,  the  petiole 
short,  densely  woolly. 

Habitat. — Arlington,  Va. 

Types  in  Coll.  Ashmead. 

Described  from  three  specimens. 

Diapria  muscae,  sp.  nov. 

3  9 .  Length,  1.6  to  2""".  Polished  black,  witn  some  sparse  long 
hairs,  the  cheeks,  collar,  metapleura,  and  petiole  covered  with  a  dense, 
woolly  pubescence.    Head,  rounded,  when  viewed  from  above,  a  little 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^..     427 

loiiper  than  wiile.  Eyes  rather  Hinall,  oval,  coarsely  facetted.  Mandi- 
bles ajul  ))iilpi  pale  l)n>wn.  Anteniiie  iiisertetl  on  a  frontal  prominence; 
in  9  I'J  jointed,  pale  brown,  terminating^  in  a  black,  4-,iointe(l  club;  the 
scape  projects  far  above  theo<'elli,  above  dusky,  beneath  pale;  pedicel 
stouter  and  slightly  longer  than  the  first  funiclar  joint;  the  funiclar 
joints  slender,  cylindric,  the  joints  very  slightly  shortened  to  club;  the 
club  joints  large,  quadrat  ely  oval,  the  last  oblong;  in  tln^  <^  14-jointed, 
longer  than  th«'-  body,  pale  brown,  the  flagellar  joints  nodose-pedicellatti 
.vith  whorls  of  hairs;  the  pedicel  is  about  half  the  length  of  the  first 
flagellar  joint,  the  following  to  the  last  shorter,  the  last  i>ointed,  fusi- 
form. Scutelluui  with  a  large  rounded  fovea  at  base.  Teguhe  honey- 
yellow.  Whigs  hyaline,  with  long  cilise.  Legs,  including  coxie,  reddish- 
yellow,  the  tip  of  the  posterior  tibije  slightly  dusky,  the  coxfi"  more  or 
less  pubescent,  the  legs  spar  ely  pilose.  Abdomen  ovate,  scarcely 
longer  than  the  thorax,  subdepressed,  the  second  segment  c»ccupying 
most  of  its  surface,  the  following  segments  very  short,  the  third  in  9 
being  longer  than  the  others. 

Habitat. — Sacramento  County,  Cal. 

Types  in  National  Museum. 

Described  from  many  specimens,  reared  in  September,  1890,  by 
Albert  Koebele,  from  Dipterous  puparia  found  in  the  ground. 

A  specimen  of  the  pupariuni,  sent  with  the  parasite,  shows  it  to  be- 
long to  the  large  family  Musddce. 

Diapria  abdominalis  Say. 

-* 

Pailua  abdominalis  Say,  Lee.  Ed.  Say's  WorkH,  ii,  p.  729. 
riatynmchun  abdominalis  A»]\n\.,  Cau.  Ent.,  xix,  p.  195. 
Diapria  abdomiHalis  Cr.,  Syn.llyin.,j>.2iil. 

AnteuQiG  clavate,  as  long  as  tLe  body ;  black,  abdomen  whitish. 

Inhabits  Indiana. 

Body  black;  antenntu  broken  at  the  second  joint;  first  joint  one-fourth  the  whole 
length,  whitish;  second  joint  obconic;  terminal  joint  ovate-fnsifonu,  longer  than 
the  three  preceding  joints  together;  wings  very  deeply  ciliated;  abdomen  whitish, 
particularly  at  base;  tarsi  white. 

Length  about  one-fourth  of  an  inch.     (Say.)  ., 

Diapria  obtusa  Say. 

PailuH  obtuaua  Say,  Lee.  Ed.  Say's  Works,  i,  p.  .383. 
Galesita  obtuaus  Ashm.,  Can.  Ent.,  xix,  p.  19.5. 
Diapria  obtusa  Cr.,  Syn.  Hyni.,  p.  251. 

Black;  feet  whitish,  thiglis  black  in  the  middle. 

Inhabits  Indiana. 

Body  black,  polished;  .antenn»>  fuscous;  anterior  wings  white  and  very  obtuse, 
finely  ciliated ;  cilise  very  short;  feet  whitish;  thighs  black,  white  at  base  and  tip; 
coxte  black. 

Length  nearly  one-twentieth  of  an  inch.     (Say.) 


428  BULLETIN    45,  UNITED    STATES   NATIONAL    MUSEUM.      ' 

Diapria  ciliata  Say. 

Ptilua  eiliatns  Say,  Lee.  Ed.  Say's  Works,  i,  p.  333. 
Gahsu8  tiliatus  Aslun.,  Can.  f^iit.,  xix,  p.  195. 
Diapria  ciHaia  Cr.,  Syu.  Hym..  p.  251. 

Black ;  feet  whitish ;  hairs  of  the  wings  elongated. 

Inhahits  Indiana. 

Body  hlaek,  polished;  antenna'  with  an  olilong  acute  club,  at  base  honey-yellow; 
petiole  of  the  abdomen  and  fcot  honey-yellow ;  winj^s  deei)ly  ciliated,  tlio  hairs  longer 
than  the  transverse  diameter  of  the  wings. 

Length  less  than  one-twentieth  of  an  inch.     (Say.) 

This  appears  to  me  to  be  a  Cosmocoma  in  the  family  Mymaridce. 

Diapria  apicalis  Say. 

P8ilu8  apicalis  Say.,  Boat.  Jour.,  i,  p.  283 ;  Lee.  Ed.  Say's  Works,  ii,  p.  729. 
Aneurhynchiis  apicalis  Ashm.,  Can.  P^nt.,  xix,  p.  195. 
Diapria  optca/is  Cres.,  Syn.  Hym.,  p.  251. 

AntenniB  at  the  tip  of  the  head,  which  is  a  little  ])rominent. 

Inhabits  Indiana. 

Body  black,  polished;  antenn.'c  as  long  as  the  body,  fuscous,  with  subqaadrately 
nionilifonn  joints ;  basal  joint  honey-yellow ;  terminal  joint  not  nnich  longer  than  the 
preceding  one ;  inserted  at  the  tip  of  the  head ;  beneath  the  antennie  is  rather  a  broad 
prominence ;  costal  nerviare  but  little  less  than  half  the  length  of  tlie  wing,  triangular 
and  black  at  its  tip;  feet  honey-yellow;  petiole  distinct. 

Length  one-twenty-tifth  of  an  inch.     (Say.) 

CERATOPRIA  Ashni.,  gen.  nov. 
(Type  C.  loufficepa  Ashm.) 

Head  globose  or  oblong,  with  a  frontal  impression,  the  occiput  faintly 
marghied,  the  cheeks  with  a  tuft  of  wool  behind;  ocelli  3,  very  small; 
eyes  rounded. 

Antenna}  inserted  on  a  frontal  ledge,  in  9  12-jointcd,  terminating  in 
an  abrupt  3-jointed  club,  the  pedicel  much  longer  than  the  first  funiclar 
joint,  the  first  funiclar  joint  only  a  little  longer  than  thick;  in  ^ 
14-jointed,  filiform,  the  pedicel  small,  rounded,  the  first  funiclar  joint 
shorter  than  the  second,  the  secon<l  stouter,  the  joints  beyond,  except 
the  last,  submoniliform,  bristly. 

Maxillary  palpi  4-jointed,  stout,  the  last  joint  terminating  in  2  long 
bristles.  _        -      -      „--..-.  ..  ^    ,    ,  ^t  ,    ^  ^ 

Mandibles  short  bifid. 

Thorax  ovoid,  the  collar  usually  woolly,  the  mesonotuni  smooth, 
without  furrows,  scutellum  most  frecpiently  bifoveated  at  base,  with 
lateral  grooved  lines;  metathorax  short,  woolly,  emarginated,  bicari- 
nated  above,  the  angles  usually  acute. 

Front  wings  pubescent,  the  submarginal  vein  ending  in  a  small 
punctiform  marginal  vein  at  about  oue-third  the  length  of  the  wing; 
no  basal  uervure. 


MONOGRAPH  OF  THE  MOIiTH  AMERICAN  PBOCTOTRYPIDiE.     429 

Abdomen  oblong  oval,  with  a  very  short,  thick,  woolly  petiole,  the 
second  segment  very  large,  occupying  more  than  two-thirds  its  whole 
surface,  the  following  segments  very  short. 

Legs  clavate,  pilose,  the  basal  joint  of  j)osterior  tarsi  about  twice  as 
long  as  the  second. 

Very  closely  allied  to  Loxotropa  Fiirster,  but  the  absence  of  the  basal 
nervure  at  once  separates  it. 

The  following  table  will  aid  in  determining  the  species:  ,     . 

TABLE    OF   SPECIES.  .  -\ 

Sciitellnm  with  a  single  fovea  at  base,  liead  globose 3 

Seutellum  with  an  arcuate  impressed  line  at  base,  bead  oblong 2 

Scutellum  with  two  small  foveiB  at  base,  head  oblotig. 
Club  abrupt,  3-jointed,  black,  the  joints  nearly  e([ual. 

Antenuai  and  legs  yellow C .  longiceps,  sp.  nor. 

Club  not  80  abrupt,  3-jointed,  black,  the  last  joint  very  large,  about  as  long  as 
the  two  preceding  togethei'. 
AntenuiB  wholly  black,  or  piceous- black,  legs  yellow.  i 

C.    MEGAPLASTA,  sp.  nOV. 

Antennae  and  legs  yellow C.  kifoveolata,  ep.  nov. 

2.  Club  abrupt,  3-jointed,  black,  the  tirst  joint  not  half  the  length  of  the  second,  the 

third  one-third  larger  than  the  second ;  rest  of  antennt^  and  legs 
yellow C.  PU8ILLA,  sp.nov. 

3.  Club  3-jointed,  incrassated. 

Antennte  piceous  or  black,  legs  rufous,  coxaj  and  the  swollen  portion  of  the 

femora  and  tibiae  piceous. 
Last  joint  of  club  not  much  larger  than  the  penultimate ;  first  funiclar  joint 

thrice  as  long  as  thick C.  infuscatipes,  sp.  nov. 

Last  joint  of  club  greatly  enlarged,  as  large  as  the  two  preceding  united; 

first  funiclar  joint  twice  as  long  as  thick C.  flouidana  AsIuu. 

Ceratopria  longiceps,  sp.  nov. 

9 .  Length,  1.4""".  Polished  black,  impunctured ;  cheeks  behind, 
collar  and  metathorax  pubescent;  antennte,  except  club,  and  the  legs 
yellow.  Head  oblong,  a  little  longer  than  wide,  with  some  sparse  long 
hairs.  Antenuse  12  jointed,  ending  in  an  abrupt  3-jointed  club ;  pedicel 
longer  than  the  first  and  second  funiclar  joints  united  and  much  stouter; 
funiclar  joints  2  to  5  not  longer  than  thick;  joints  6  and  7  transverse; 
club  3-jointed,  black,  the  first  and  second  joints  quadrate,  distinctly 
separated,  the  third  or  last  oval,  closely  joined  to  the  second.  Scutel- 
lum flat,  triangular,  with  two  small  shallow  fovea?  at  base.  Meta- 
thorax tricarinate,  the  surface  channeled  between  the  carina;,  pubes- 
cent. Wings  clear  hyaline,  fringed,  but  the  fringe  short;  stigma  yel- 
lowish. Abdomen  oblong  oval,  polished  black,  the  petiole  stout,  as 
wide  as  long. 

The  (?  differs  in  having  14-jointed,  filiform-moniliform  antenme,  the 
first  flagellar  joint  being  only  two  thirds  as  long  as  the  second,  the  sec- 
ond being  the  loudest  aud  the  stoutest  joint  and  slightly  curved;  the 


430    BULLETIN  45,  UNITED  STATES  NATIONAL  MUSEUM. 

following  Joints  aro  nionilifonn,  except  th«i  Last,  Miiicli  is  ovate;  all  the 
flagellar  joints  have  rather  short  stitt"  bristles;  the  head  is  globose,  while 
the  Hcutellar  fovea  is  a  little  more  deeply  impressed  than  in  the  female. 
Habitat.— Arlington,  Va. 

Types  in  Coll.  Ashmead. 

f.  ■ 

Ceratopria  megaplasta,  np.  nov. 

9.  Length,  1.1'""'.  I'olished  black,  impunctured;  cheekR  behind, 
collar  and  nietathorax  woolly;  antenna;  wholly  black,  the  scajM*.  i)iceons 
beneath;  legs  yellow.  Head  oblong,  very  little  wider  before  tl  .m 
behind,  covered  with  sonu?  long,  sparse  hairs.  AnU^nna;  12-jointed, 
clavate;  first  funiclar  Joint  abont  as  long  as  the  pedii-el  bnt  more 
slender,  cylindrit-al,  tin;  following  J«>ints  moniliform,  very  slightly 
increasing  in  size  to  the  club;  (dub  ^i-Jointed,  the  first  and  se»:ond  Joints 
(|uadrate -moniliform,  the  last  oblong,  a  litth;  larger  than  the  2  preceding 
joints  together.  Scutelluin  flat,  with  2  small  fovea;  at  base.  Wings 
hyaline,  fringed,  tin;  stigma  yellowish.  Abdomen  ovate,  blat:k,  polished, 
the  iMitiole  short,  stout,  rugose,  fully  as  wide  as  long. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

A  single  specimen,  received  from  Mr.  W.  TTague  Ilarrington,  differs 
from  the  i)receding  species  in  the  coh)r  of  the  antenna;,  the  proportions 
of  the  autenual  joints  and  in  the  shape  of  the  abdomen. 

Ceratopria  blfoveolata,  sp.  nov, 

9.  Length,  1""'.  Agrees  in  shape  and  general  appearance  with  C. 
megaplmta,  bnt  with  the  following  differences:  The  antenna;,  excei)t 
the  club  and  the  legs,  are  reddish  yeHow ;  the  first  funiclar  joint  is  a 
little  shorter  than  the  pedicel;  the  abdomen  oblong-oval,  obtusely 
rounded  at  tip;  while  the  i)etiole  is  short  and  so  woolly  that  its  sculp- 
ture can  not  be  made  out;  otherwise  it  agrees  perfectly  with  C.  mega- 
plasta. 

Habitat. — Harpers  Ferry,  W.  Va. 

Type  in  ('(dl.  Ashmead. 

A  single  si)ecimen.     Taken  by  Mr.  E.  A.  Schwarz,  June  19, 1891. 

•  i  Ceratopria  puBillt^,  sp.  nov. 

9.  Length,  0.8""".  Polished  blm-k,  impuuctate;  antenn.T!,  except 
the  club  and  the  legs,  honey-yellow.  Hejid  a  little  longer  than  wide. 
Antenna;  12joint(;d;  the  club  abrupt,  3-Joiuted,  black,  the  first  joint 
not  half  the  length  of  the  second  aiid  nmch  narrower,  the  last  ovate, 
longer  than  the  pre<;eding  Joint;  first  funiclar  joint  a  little  longer  than 
thick,  the  following  to  last  s(;arcely  as  hmg  as  thick,  f  he  last  transverse. 
Scutellum  with  a  curved,  slightly  impressed  line  at  base.  Wings  hya- 
line, pubescent,  with  ebort  cilia.    ANomen  oblong,  black,  jwilslied. 


MONOGRAPH  OF  THE  NOKTH  AMKRICAN  PUOCfOTRYPIDiE.     431 

truncate  belli  ml,  the  ])etio1eHiitaIl  and  tshort,  woolly,  tlie  second  negment 
with  li  f()v<?<)lie  at  ba.se. 

llAiUTAT. — Arlinj^ton,  Va. 

Type  in  Coll.  Ashmead. 

A  Hiugle  specimen.  • 

Ceratipria  iiifuscatipea,  Bp.  ii     . 

(PL  XVIII,  Fig. 3,  9.) 
9.  Length,  1.2""".  I'oUsIumI  l)la<'k,  inipunctured;  antennie  piceous 
bhw^k ;  legs  rufous,  coxie  and  the  swollen  ])arts  of  femora  and  tibia;, 
l»iceouK  or  dusky.  lUr.u\  globose,  with  long,  sparse  hairs.  Antenme 
lU-Jointcul ;  the  club  .■{-Jointe<l,  incrassated,  the  first  joint  lounded,  a  little, 
smaller  than  the  seeon«l,  tin;  second  (piadrate,  the  last  ovate  twii'e  as 
long  as  tin*-  prec^cding;  first  funielar  joint  cylindrical,  as  long  as  the  pedi- 
cel, fnniclar  joints  2  toO  shortening,  but  all  much  longer  than  thick,  the 
seventh  oval.  (Jollar  woolly,  metathorax  and  i)etiole  densely  i)ubescent. 
Sculellum  with  a  rather  large,  <leep  fovea  at  base.  Wings  hyaline, 
fringed,  tin-  stigma  piceous.  Abdomen  ovate,  black  p<dished,  the 
petiole  not  longer  than  thuik. 

Habitat. — Ottawa,  Canada. 

Tyi)e  in  Coll.  Ashmead. 

A  single  sjiecimen  received  from  Mr.  W.  Hague  Harrington.  In  the 
shape  of  the  head,  the  largi;  scuttillar  fovea,  length  of  the  fun iclar  joints, 
and  th  yvate  abdonuMi,  this  species  is  (juite  distinct  from  those  pre- 
viously described,  and  its  position  in  this  genus  is  doubtful. 

Ceratopria  fioridana  Ashin. 
Cephalonomia  florUlana  AhLiu.,  Can.  Eiit.,  xix,  p.  196. 

9.  Length,  1.1""".  Polished  blii<;k,impunctured;  trochanters,  base 
of  tibiae,  and  tarsi  honey  yelh)w.  Antenna;  12-joint<Ml,  ending  in  a  3- 
joint<;d,  incrassat*Ml  club,  the  last  joint  being  oblong,  much  st^iuter  than 
the  i>enultimate,  and  as  long  as  the  two  preceding  joints  together,  the 
first  club  joint  being  smaller  than  the  second;  first  funiclar  joint  cylin- 
drical, about  twic(;  as  long  as  thick,  the  following  very  slightly  widened 
to  the  club,  a  little  wider  than  long.  Scutellum  with  a  moderately 
deej)  fovea  at  base.  Metathorax  and  jietiole  covereil  with  a  cinereous 
jMibescence.  Wing;,  hyaline,  strongly  fringed,  the  stigma  brown.  Ab- 
domen oblong-oval,  black,  polished. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

TRICHOPRIA  Ashmead,  gen.  nov. 
(Typo  T.  jxmtnplasta  Ashm.) 

Head  subglobose,  without  a  frontal  impression,  the  octiiput  rounded, 
cheeks  Avoolly;  ocelli  3  small;  eyes  rounded. 

Antennae,  in  9  12-jointed,  the  club  gradually  incrassatcd,  not  abrupt, 
4  or  0  Jointed  j  in  6  14-joiQted,  filiform,  covered  with  short,  si>arse  hairs; 


432  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

the  pedicel  is  small,  oblong,  or  rounded;  the  second  fuuiclar  joint 
shorter  than  the  first,  slijjhtly  emarginate  at  base,  angulat^d  towards 
one  side  at  tip,  the  joints  beyond  the  third  oval-moniliform,  only  slightly 
longer  than  thick.  . 

Maxillary  palpi  5-jointed.  . 

Mandibles  short,  bifid. 

Thorax  ovoid,  the  prothorax  appearing  above  as  a  transverse  ridge, 
the  sides  always  woolly;  mesonotum  smooth,  without  furrows;  scutel- 
lum  with  a  single  shallow  fovea  at  base,  very  rarely  with  two  small 
shallow  foveJB,  and  without  lateral  impressed  lines;  metathorax  short, 
bicarinated  al>ove,  hardly  emarginate,  the  posterior  angles  not  acute  or 
prominent,  and  always  woolly  or  covered  with  a  dense  ai)pressed  pu- 
bescence. 

Front  wings  pubescent,  ciliated,  the  submarginal  vein  terminating 
in  a  small,  triangular  marginal  vein  before  attaining  one-third  the 
the  length  of  the  wing;  no  basal,  or  other  nervures. 

Abdomen  oblong-oval,  the  petiole  longer  than  thick,  fiuted',  woolly 
above  and  beneath ;  the  second  segment  oc('Ui)ies  most  of  the  remain- 
ing surface,  with  a  depression  or  sulcus  at  base  above,  the  following 
segments  very  short. 

Legs  clavate,  pilose,  the  posterior  tarsi  long,  slender,  the  basal  joint 
about  twice  as  long  as  the  second,  claws  long,  curved. 

The  males  in  this  genus  are  quite  distinct  from  Diapria  in  the  an- 
tennal  characters,  while  the  females,  as  before  remarked,  are  quite 
similar  and  diflQcult  to  separate.  The  anteunje,  however,  have  always 
a  4-  or  5-iointed  club;  the  scutellum  has  a  more  shallow  fovea,  or  two 
small  fovete  at  base,  and  is  without  the  lateral  grooved  lines  which  are 
always  present  in  Diapria;  the  metathorax  has  rarely  the  acute  promi- 
nent ridge  at  base;  while  the  abdomen  is  more  truncate  at  apex  and 
less  pointed  than  in  Diapria. 

These  characters,  I  believe,  are  constant  and  justify  me  in  creating 
a  new  genus,  and,  with  a  litth'  study,  the  student  will  soqu  be  able  to 
distinguish  them  at  a  glance. 

As  a  rule  the  si>ecies  are  smaller  than  in  Diapria,  and  the  following 
table  shows  that  the  genus  is  well  rejiresented  in  North  America: 

'  •  TABLE  OF  SPECIES.      "     ^  • 

■  FEMALKS. 

1.  Anteiinal  club  4-jointed 2 

Autenual  club  5-joiuted. 
Anteiiuae  not  entirely  black,  the  club  alone  black  or  faHCous. 
Scutellum  with  a  single  fovea  at  base. 

Pedicel  8hort«>r  than  the  first  funiclar  joint. 
Legs,  reddish-yellow;  pedicel  twice  a«  long  as  thiek 

T.    I'ENTAPI-ASTA,  Sp.  UOV. 

Legs  yellow,  the  femora  and  tibiis  fuscous ;  pedicel  not  longer  than  thick. 

T.  ZlMMEKMA^IMI,  sp.uov. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     433 

Scutellum  with  2  small  foveaB  at  base: 

Pedicel  about  as  long  as  the  first  fuuiclar  joint. 

Legs  rufous T.  rxjfipes,  sp.  nov. 

AntenuiB  entirely  black. 

Pedicel  shorter  but  thicker  than  the  first  funiclar  joint. 
Legs  pale  rufous,  base  of  coxiB  and  tho  thickened  portions  of  the  femora  and 
tibiiB  more  or  less  piceous T.  carolinensis,  sp  nov. 

2,  Antenna*  not  wholly  black 3 

Anteuuie  wholly  black. 

Pedicel  thicker  and  a  little  longer  than  the  first  funiclar  joint. 

Last  joint  of  club    large,  twice  the  length  of  the   penultimate,  first  joint 
small. 
Legs  black,  the  trochanters,  buMi  of  tibise  and  tarsi  pale. 

T.  PoPENOEi  Ashm. 

3.  Pedicel  longer  and  thicker  than  the  first  funiclar  joint. 

Antennai  fuseous  or  dark  brown,  ckib  slender,  the  joints  a  little  longer  than 

wide,  the  6  funiclar  joints  slender,  cylindric,  twice  as  long  as  thick. 

Legs  rufous,  the  coxie,  trochanters  and  knees  yellow . .  T.  Harringtonii  Ashm. 

AutenufB  fuscous  only  towards  the  tip,  rufous  basally,  the  club  stout,  the  joints, 

except  tho  first,  as  broad  as  long. 

Legs  reddish-yellow,  the  femora  and  tibia'  tinged  with  rufous. 

T.  I'ACIFICA,  sp.  nov. 
Legs  dark  rufous;  club  abrupt,  fuscous,  four  jointed,  the  joints  except  the 

last  quadrate T.  hirticolijs  V.shm. 

Pedicel  stouter  but  not  longer  than  the  first  funiclar  joi»t. 

Club  black,  rest  of  antennte  yellow,  the  funiclar  joints,  except  the  last,  which 
'                               is  monilifonii,  are  longer  than  thick. 
■         Legs  yellow T.  flavipes,  sp.  nov. 

Trichopria  pentaplasta,  sp.  nov. 

9.  Length,  l.S""",  5?lack,  polished,  impunctured ;  antennae,  except, 
the  club  and  legs,  reddish-yellow.  Head  rounded.  Antennae  12- 
jointed,  long,  terminating  in  a  5-jointed  club;  first  funiclarjoint  a  little 
longer  than  the  pedicel;  the  following  joints  subequal,  about  three 
times  as  long  as  thick,  thelast,  thickened ;  club  black,  the  first  joint  ob- 
long, the  second,  third,  and  fourth  quadrate,  equal,  the  last,  conic, 
longer  but  not  thicker  than  the  penultimate.  Scutellum  with  a  distinct 
fovea  at  base.  Metathorax  carinated,  pubescent.  Wings  hyaline, 
strongly  fringed ;  the  stigma  yellowish.  Abdomen  ovate,  black,  polished, 
the  petiole  li  times  as  long  as  thick,  fluted,  pubescent,  the  second  seg- 
ment truncate  at  base  and  slightly  overlapping  the  base  of  the  petiole. 

The  $  has  li-jointed,  filiforni-moniliform  antennae,  the  first  flagellar 
joint  twice  as  long  as  the  pedicel  and  a  little  longer  than  the  second; 
the  second  stouter,  a  little  curved  and  dilated  into  an  acute  point 
outwardly  at  tip;  the  following  joints  moniliforra,  the  last  conical,  all 
the  joints  with  stiff  bristles.  Scutellum  with  a  deep  fovea,  at  base  and 
a  slight  ridge  toward  tip;  otherwise  similar  to  the  $  . 

Habitat. — Washington,  D.  C;  Arlington,  Va.j  and  Riley  County, 
Kans. 

Types  in  Coll.  Ashmead. 

21899— Ko.  45 2^ 


434  BULLETIN   45,  UNITED    STATES    NATIONAL   MUSEUM. 

Trichopria  Zinunermanni,  sp.  nov. 

9 .  Length,  about  2'"" .  Polished  black ;  collar,  nietapleura,  and 
petiole  covered  with  a  dense  griseous  wool;  legs  yellowish,  the  clav.ate 
parts  of  femora  and  tibire  and  the  last  tarsal  joint  fuscous.  AutennaB 
12-jointed,  nearly  as  Jong  as  the  body,  fuscous;  flagellum  more  than 
thrice  the  length,  of  the  scape;  scape  yellowish;  pedicel  not  longer 
than  thick ;  funiclar  joints  cyljndric,  about  2J  times  as  long  as  thick  and 
a  little  paler  than  the  club;  club  brown-black,  the  first  joint  narrower 
than  the  following,  a  little  longer  than  wide,  the  three  following  joints 
equal,  qua<lr{ite,  the  last,  conic-ovate.  Wings  hyaline  with  a  slight 
fuscous  tinge,  strongly  fringed. 

Habitat. — Carolina.  '    '      '   -r 

Type  in  Berlin  Museum. 

Described  from  specimens  in  Berlin  Museum  labeled  "Carolina, 
Zimmeriri,ann." 

Trichopria  rufipes,  sp.  nov. 
(PI.  XVIII,  Fig.  4,  9  ;  a,  (?  antenna.) 

9.  Length,  2  to  2.2""".  Polished,  black,  with  long,  sparse  hairs;  the 
antenna;,  except  the  4  apical  joints  of  club,  and  the  legs  rufous;  cheeks, 
collar,  metathorax,  and  petiole  woolly.  Antenna?  12-jointed,  the  flagel- 
lum slightly  more  than  twice  the  length  of  the  scape;  pedicel  about  as 
long  as  the  first  funiclar  joint,  but  stouter;  the  third,  fourth,  and  fifth 
joints  equal,  scarcely  longer  than  thick;  the  first  joint  of  the  club  is 
only  slightly  thicker  than  the  last  funiclar  joint,  moniliform;  the  second 
is  wider,  the  two  following  as  wide  as  long,  the  last  short,  conic.  Scu- 
tellum  with  2  minute,  almost  obsolete,  foveae  pt  case.  Wings  hya- 
line, fringed. 

The  male  diflfers  in  having  14-jointed  filiform-submoniliform  antennae, 
the  first  flagellar  joint  being  four  times  as  long  as  the  pedicel,  subcla- 
vate,  the  second,  stouter  and  two-thirds  as  long  as  the  first,  slightly 
curved  and  dilated  toward  tip,  the  following  oval-moniliform,  the  last 
conical,  twice  as  long  as  the  penultimate ;  all  with  sparse,  bristly  hairs. 

Habitat. — District  of  Columbia  and  Virginia. 
"    Types  in  Coll.  Ashmead.  ' 

Trichopria  carolineusis,  sp.  nov. 

9  .  Length,  about  2"".  Polished  black,  imimnctured,  sparsely  pu- 
bescent; head  rounded;  antenna;  12-jointed,  black,  terminating  in  a 
5-jointed  club,  the  joints  of  which  increase  gradually  in  size;  the  pedi- 
cel is  shorter  but  thicker  than  the  first  funiclar  joint;  the  funiclar  joints 
to  the  club  are  slender,  cylindric,  the  first  about  2^  times  as  long  as 
tli  k,  the  following  very  slightly  shorter,  the  last  a  little  thicker  than 
the  preceding;  the  first  joint  of  the  club  is  oval,  the  second  round,  the 
third  and  fourth  submoniliform,  slightly  wider  than  long,  the  last  longer, 
conic-ovate.     Scutellum  with  a  shallow,  transverse  foveas  at  base. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     435 

liOgs  jiak'  rufous,  the  base  of  the  coxje  and  the  chivalte  portion  of  the 
femora  and  tibije  slightly  infuscated;  sometimes  the  base  of  the  tibije 
is  yellow.  Wings  hyaline,  strongly  iridescent,  with  long  ciliie,  the 
marginal  vein  short,  triangular,  brown. 

Habitat. — Carolina  ami  Pennsylvania. 

Tyi)es  in  Berlin  Museum. 

Described  from  specimens  labei'.;{l  as  having  been  received  from 
Dr.  Ziiumermann. 

Trichopria  Harringtonii  Asliin. 
Loxotropa  Harringtonii  Ashm.,  Can.  Ent.,  xx,  j>.  53. 

$  .  Length,  1'"'".  Black,  polished,  impunctured,  with  sparse,  long 
hairs;  antenna-,  dark  red  or rufo-piceous;  legs,  in<!luding coxas  entirely 
rufous;  collar,  metathorax,  and  petiole  with  a  dense  cinereous  pubes- 
cence; wings  hysiline,  fiiintly  tinged,  strongly  fringed,  the  stigma 
brown;  there  is  also  a  brownish  streak  across  the  wing  from  the  tip  of 
the  stigma. 

Antenna'  12-jointed,  ending  in  a  long  4-jointed  club,  the  joints  nearly 
equal  in  size,  1^  times  as  long  as  thick;  the  funiclar  joints  are  slender, 
cylindrical,  the  first  a  little  shorter  than  the  pedicel;  joints  2  to  4 
twice  as  long  as  thick,  5  and  C  stouter.  Abdomen  ovate,  p»)inted  at 
tip,  the  ovipositor  slightly  exserted ;  petiole  longer  than  thick,  woolly 
or  pubescent. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

A  single  specimen  received  from  Mr.  W.  H.  Harrington. 

Trichopria  Popenoei,  Hp.  buv. 

$  .  Length,  1.5""".  Entirely  black,  smooth,  shining ;  the  troi'hanters, 
base  of  tibiie  and  tarsi  alone  pale  rufous  or  piceous;  scutellum  with  a 
single  fovea  at  base;  metathorax  carinated,  sparsely  pubescent;  petiole 
woolly,  not  or  scarcely  longer  than  thick;  abdomen  oblong-oval,  a 
little  pointed  at  tip,  smooth  and  shining;  wings  hyaline,  strongly 
ft'inged,  the  stigma  piceous;  there  is  a  yellowish  streak  across  the 
wing  just  beyond  the  tip  of  the  stigma.  ' 

The  antennae  are  12-jointed,  moniliform ;  the  club  4-jointed,  incras- 
sated;  the  first  joint  small,  rounded;  the  second  larger,  cup-shaped;  the 
fourth  quadrate;  the  last  still  larger,  oblong. 

The  i  agrees  with  the  9  except  that  the  an tennte  are  14-jointed,  fili- 
form, and  piceous;  the  first  flagellar  joint  is  less  than  thrice  as  long  as 
the  pedicel  or  a  little  longer  than  the  second,  the  latter  dilated  beneath 
a  little  beyond  the  middle,  the  following  oval-moniliform. 

Habitat. — Riley  County,  Kans. 

Types  in  Coll.  Ashmead. 

My  specimens  were  received  from  Prof.  E.  A.  Popenoe. 


436  BULLETIN    45,  UNITED    STATES    NATIONAL   MUSEUM. 

Trichopria  pacifica,  isp.  nov. 

9.  Leiig'h,  1.1"'"'.  Polished  blfu'k,  impuiictured;  anteniiii^,  except 
club  ami  the  legs,  reddish-yellow;  the  clavjite  i)ait8  of  the  femora  and 
tibiui  piceous.  Anteniue  12-joiiited,  emling  in  a  4-joiiit«(l  fuscous  clul>, 
the  first  joiut  longer  than  thick  and  narrower  thau  the  preceding,  the 
second  and  third,  quadrate,  the  last  conic,  one-hal'  '  irger  than  the  i)re- 
ceding;  first  and  second'  funiclar  joints  about  e(i  s  1^  times  as  long 
as  thick,  cylindrical,  the  following  moniliform.  Scuiiellum  with  a  single 
fovea  at  base;  collar,  metapleura,  and  i)etiole  woolly.  Wings  hyaline, 
strongly  fringed,  the  stigma  yellow.  Abdomen  elliptic-oval,  black, 
polished,  the  petiole  very  short. 

Habitat. — Santa  Cruz  Mountains,  California.  * 

Tyi)e  in  National  Museum. 

Trichopria  hirticollis  Asbm. 
Cephahmomia  hirtiiollin  Ashni.,  (!au.  Eiit.,  Xix,  p.  195. 

9.  Length,  1.9  to  2""".  Kobust,  polished  bhick,  impunctured;  an- 
tennfe,  except  club,  and  the  legs  dark  rufous.  Head  thick,  globose, 
with  some  sparse  long  hairs.  Anteniue  12-jointed,  endingin  a4-jointed 
fuscous  club,  the  joints,  except  the  last,  quadrate-moniliform,  the  last 
conic;  fanicle  slender,  cylindrical,  the  first  joint  twice  as  long  as  thick, 
a  little  shorter  than  the  i)edicel,  the  following  joints  subequal,  the 
last  two  joints  not  longer  thau  thick.  Collar  densely  woolly  at  sides. 
Scutellum  with  a  large  fovea  at  base.  Metathorax  tri(;arinated,  the 
pleura  sparsely  pubescent.  Wings  hyaline,  the  cilije  not  especially 
long,  the  stigma  honey-yellow.  Abdomen  ovate,  black,  i>olished,  the 
petiole  short,  thick,  scarcely  as  long  as  wide,  pubescent. 

Habitat. — Jacksonville,  Fla. 

Types  in  Coll.  Ashmead. 

Trichopria  flavipes,  sp.  nov. 

9.  Length,  1.1"'°'.  Slender,  polished  black,  impunctured;  antennaei, 
except  club,  and  legs  yellow;  collar,  metathorax,  and  petiole  woolly. 
Antennae  12-jointed,  long;  club  4-jointed,  fuscous,  the  joints,  except 
the  last,  quadrate-moniliform,  the  first  the  smallest,  terminal  joint 
ovate.  Scutellum  with  a  moderate  sized  fovea  at  base.  Wings  hya- 
line, fringed,  the  stigma  yellowish.  Abdomen  ovate,  as  long  as  the 
thorax,  polished  black,  the  i>etiole  short  and  densely  covered  with  wool. 

Habitat. — Arlington,  Va. 

Types  in  Coll.  Ashmead. 

PHiESNOPRIA  Ashmead,  gen.  nov. 
(Type  /),  minutissima  Ashm.) 

Head  globose,  a  little  broader  than  the  thorax,  the  frons  not  im- 
pressed; ocelli  3,  small;  eyes  rounded  and  broadly  oval. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PKOCTOTRYPID.E.     437 

Autenujb  inserted  on  si  slight  frontal  prominence;  in  9  12-jointed,  tiie 
pedicel  always  much  lar}»er  and  stouter  than  the  first  funiclar  joint, 
the  first  funiclar  joint  only  a  little  lonj;er  than  wide,  the  .'i  or  4  term- 
inal joints  enlarjjed,  forming  a  club;  in  S  14-jointed,  filiform-moniliform, 
finely  pubescent,  the  first  and  second  funiclar  joints  elongated,  about 
equal  or  the  second  very  slightly  the  shorter. 

Maxillary  palpi  (?).  , 

Mandibles  short,  bifid. 

Thorax  ovoid,  the  prothorax  short,  woolly;  mesonotum  smooth,  with- 
out furrows ;  scutellum  subconvex,  rounded  behind,  without  a  trace  of 
the  lateral  impressed  lines  or  a  fovea  at  base ;  metathorax  short,  woolly. 

Front  wings  pubescent,  strongly  ciliated,  the  submarginal  vein 
terminating  in  a  punctiform  marginal  vein  at  about  one-third  the  length 
of  the  wing;  no  other  veins;  occasionally  apterous. 

Abdomen  oval,  slightly  pointed  at  tip,  the  petiole  short,  woolly,  the 
second  segment  occui)ying  most  of  the  surface,  the  foHowing  segments 
very  short. 

Legs  clavate,  pilose  or  pubescent,  the  basal  joint  of  iM)sterior  tarsi 
twice  as  long  as  the  second. 

This  genus  is  readily  distinguished  from  all  other  genera  in  the 
Diapriina;,  except  Monelata  Forster,  by  the  non-foveated  scutellum,  and 
from  Monelata,  which  also  has  no  fovea  at  the  base  of  the  scutellum, 
by  having  12-jointed,  not  13-jointed,  antennae. 

The  species  are  all  very  small,  and  evidently  parasitic  on  Muscid 
larva;,  P.  hwmatobiw,  having  been  reared  by  Dr.  Kiley  from  the  Horn- 
fly,  Hwmatohia  serrata. 

Our  species  may  be  distinguished  by  the  aid  of  the  following  table : 

TABLE   OF   SPECIES. 

FEMALES. 

Wingless  forms 3 

Winged.  , 

Antennae  with  a  4-jointed  club 2 

Antennaj  with  a  3-jointed  club,  the  last  joint  of  which  is  enlarged,  ovate. 
AntenntB  black  or  brown-black, funiclar  joints  moniliforni,not  longer  than  thick. 

Legs  rufous,  the  coxse,  femora,  and  tibite  fuscous..  P.  minutissima,  sji.  nov. 

Legs  entirely  reddish-yellow P.  h^kmatobi.e,  sp.  nov. 

AntennjB  reddish-yellow,  the  club  black. 

Legs  reddish-yellow P.  virginica,  sp.  nov. 

2.  Club  black  or  fuscous. 

Legs  yellow  or  reddish-yellow. 
All  the  funiclar  joints  at  least  twice  as  long  as  thick..  .P.  Schwarzii,  sp.  nov. 

3.  AntenuiB  black  or  brown-black,  gradually  incrassated. 

Legs  rufo-piceous,  the  trochanters,  base  of  tibiae,  and  tarsi  pale. 

Abdomen  long-oval,  2|  times  as  wide  as  the  thorax P.  aptera,  sp.  nov. 

Antennte  reddish-yellow,  with  a  distinct  4-jointed  black  club. 
Legs  reddish-yellow. 

Abdomen  long-oval,  only  twice  as  wide  as  the  thorax P.  affinis,  sp.  nov. 


438  lU'LLETIN    45,  UNIfED    STATES   NATIONAL    Ml'SEUM. 

MALES. 

W'iiijileHH  fi>riiiH.4 *. 44.. 2 

Winj^ed. 
L«'jjs  ytillow  or  nMl(lish-y«'llow. 

ScajM^  yellow  ;  tla^elliiiii  i»al»i  browu. 

Firnt  funiclur  joint  a  little  nhortcr  tlian  the  8<-(^oiul,  Ich.s  thiiu  tliritti  hh  lout* 
as  tliic-k,  the  second  stroujjly  cxcistMl  at  base,  tlit*  following  Jointn 
long-oval,  fully  twice  au  long  aH  thick,  tho  la^t  conic,  more  than 

oue-tbird  longer  th&n  the  ]>eniiltiniate P.  viroinua,  up.  uov. 

2.  LegH  riifouH,  the  femora  and  tibio)  ]>iceon8. 
Auteniiie  honey-yellow. 

First  and  second  fnniclar  joints  nearly  equal,  more  than  thrice  as  long  as  thick, 
the  joints  beyond  to  the  last  oval-monilitbrni,  less  than  twice  as  long 
as  thick,  the  last  conical,  one-third  longer  than  the  penultimate. 

1'.  I'AKVA,  sp.  nov. 

Antennte  ]»iceou8-black. 

First  and  second  funii^lar  joints  not  equal,  the  second  not  thrice  as  long  as  thick, 

angulate  towards  one  side,  the  joints  beyond  to  the  last  long-oval, 

fully  twice  as  long  as  thick P.  Montana. 

Phaenopria  minutissima,  sp.  uov. 

5.  Length,  0.9""".  Polished  black,  iiiipunctureil ;  antenntp  piceous, 
the  S(;iipe  rufous ;  legs  rufous,  the  coxje  luul  elavate  part  of  femora  and 
tibise  piceous;  wings  hyaline,  strongly  fring«!d,  the  stigma  piceous; 
collar  at  sides,  metathorax,  and  petiole  with  a  tine,  cinereous  pubes- 
cence. The  antenna}  12-jointed,  ending  in  a  3-jointed  club,  the  last 
joint  oblong,  as  long  as  the  two  i)receding  joints  united;  funicle  moniL 
iform,  the  first  joint  a  little  longer  than  thick,  the  following  nioniliform, 
not  longer  than  thick,  very  slightly  increasing  in  size  to  the  club. 
Scutellum  convex  without  a  trace  of  a  fovea  at  base.  Abdomen  ovate, 
pointed  at  tip,  the  petiole  very  short,  not  as  long  as  thick. 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

Phaenopria  haematobiae,  sp.  nov. 

5  .  Length,  0.8""°.  Very  close  to  F.  minutissima  but  differs  as  fol- 
lows :  The  cheeks  have  a  tuft  of  pubescence  not  present  in  the  former ; 
antennje  a  little  stouter,  the  pedicel  larger,  oblong;  mesonotuma  little 
shorter  and  not  so  much  narrowed  anteriorly  as  in  P.  minutissima;  the 
petiole  a  little  longer,  while  the  legs  are  uniformly  reddish-yellow. 

Habitat. — Arlington,  Va.  ;     ;  v: 

Types  in  National  Museum. 

The  species  was  reared  by  Dr.  Ri  ley  from  the  larva  of  HcematoMa  serrata. 

Phaenopria  virginica,  sp.  nov. 
(PI.  XVIII,  Fig.  .5,  ^  ;  o,  $  antenna.) 

5.  Length,  1.1"'".  Polished  black,  impunctured;  antennaj,  except 
club,  and  legs  reddish -yellow  or  yellowish;  cheeks  behind,  collar,  and 
petiole  woolly;  metathorax  pubescent;  wings  hyaline,  fringed,  the 
stigma  long,  brownish;  head  thick,  globose. 


.  MONOGRAI'H  OF  THE  NORTH  AMERICAN  PROC'TOTRYPlDiE.     439 

The  antenna'  are  1 -'-jointed,  ratlier  long,  the  chih  bhick  or  fnscous, 
3  jointed,  the  hist  joint  ovate,  about  one  half  hniger  than  the  preceding, 
the  tirsta  littlesnuiller  than  the  second;  lunide  cylindrical,  nionilifornif 
tlie  first  joint  two-thirds  the  length  of  the  scape,  the  se<oud  snbe(jual, 
the  following  joints  not  longer  than  tiiick.  Abdomen  ovate,  pointed  at 
tip,  polished  black,  the  petiole  short  and  very  w(M)lly. 

In  the  S  the  antt'nnie  are  14-jointed,  as  long  as  the  body,  pilose,  the 
second  flagellar  joint  a  little  h>nger  than  tins  first,  slightly  curved,  and 
dilated  towardapex,  the  foll(>wing  elliptic  oval,  all  except  the  last,  about 
of  an  equal  length,  the  last  conical,  much  longer  than  the  penultimate. 
The  antenna',  legs,  and  petiole  are  yellow. 

Habitat. — l)istri<t  of  Columbia  and  Arlington,  Va.  .        * 

Types  in  Coll.  Ashmead. 

PhaBnopria  Schw^arzii,  sp.  nov. 

9.  Length,  1  to  1.2""".  Polished  black,  impunctured;  antenncB,  ex- 
cept club,  and  legs  reddish-yellow  or  yeUowish ;  club  4  jointed,  fuscous; 
cheeks  behind,  collar,  metathorax,  and  petiole  woolly.  Antenna;  about 
as  long  as  the  body,  12-jointed,  ending  in  a  4-joinled  club,  the  joints, 
except  the  last,  oval-rotund,  the  last  conic,  one-half  longer  than  the 
preceding;  funicle  very  slightly  ini-rassated  toward  the  club,  the  first 
joint  about  as  long  as  the  pedicel,  but  not  so  thick,  the  second  and  fol- 
lowing subequal,  very  slightly  increasing  in  width,  the  last  being  only 
a  little  narrower  than  the  first  club  joint.  Wings  hyaline,  fringed,  the 
stigma  yellowish.  Abdomen  ovate,  polished  black,  the  petiole  thick, 
as  wide  as  long,  the  second  segment  occupying  most  of  tlie  surface  of 
the  abdomen,  its  base  inclosing  the  tip  of  the  petiole. 

Habitat. — Jacksonville,  Fla.,  District  of  Columbia,  Maryland,  and 
Virginia. 

Types  in  Coli.  Ashmead  and  National  Museum. 

Described  from  many  specimens.  The  species  is  dedicated  to  Mr.  Pj. 
A.  Schwarz,  to  whom  I  am  indebted  for  many  specimens  taken  in  and 
around  Washington. 

Phaenopria  aptera,  sp.  nov. 

5.  Length,  1.4""".  Apterous;  polished  black,  impunctured.  Anten- 
n£e  black  or  brown-black,  gradually  incrassated,  submoniliform,  tlie  three 
joints  preceding  the  last  very  briefly  pedicellate,  the  last  conic,  not  quite 
as  long  as  the  two  preceding  joints  united,  the  penultimate  joint  quad- 
rate. Head  globose,  much  wider  than  the  thorax.  Cheeks,  collar,  and 
metathorax  pubescent  or  woolly.  Legs  rufo-piceous,  the  trochanters, 
base  of  femora  and  tibia;,  and  the  tarsi  yellowish.  Abdomen  oblong- 
oval,  much  broader  than  the  thorax,  polished  black,  with  sparse  hairs 
at  apex,  the  petiole  wider  than  long,  rugose. 

Habitat. — Ottawa,  Canada. 

Types  in  Coll.  Ashmead. 


440  HULLETIN    ir,,  UNITED    STATES    NATIONAL   MUSEl  M. 

DoMcrilxMl  from  S  speclimMis  receivtMl  from  Mr.  NV.  Hajjuc  Harrington. 
The  species  bears  no  resemblance  to  any  other  species  ])laced  in  this 
genus,  but  ilosely  resembles  Loxotropa  iHZinnacho'uUn  Ashn>.,  with 
which  it  was  confused  in  my  collection.  It  is,  however,  readily  sepa- 
rated from  that  species  by  the  entire  absence  of  a  fovea  at  base  of  scu- 
telluui  and  the  slight  ditierence  in  the  shape  of  the  anteniue. 

Phaenopria  affinis,  Hp.  uov.  . 

9.  Length,  1.2""".  Apterous;  polishe<l  black,  impunctured;  an- 
tennae, except  the  4-jointed  club,  and  the  legs  reddish-yellow. 

Anteuuie  12-jointed,  ending  in  a  4-jointed  club,  the  joints  of  the  cluk 
very  gradually  increasing  in  size;  funicle  subcylindrical,  the  tirst  joint 
about  as  long  as  the  pedicel,  the  following  joints  verj  gradually  shorten- 
ing, the  last  two  a  little  thickened,  and  none  less  than  tvice  as  long  as 
thick.  Cheeks  behindpubescent;  collar,  metiithorax,  and  petiole  woolly. 
Abdomen  oblong-oval,  wider  than  the  thorax,  the  sei;ond  segment  over- 
lapping the  apex  of  the  petiole,  the  latter  scarcely  longer  than  thick. 

Habitat. — District  of  Columbia. 

Type  in  Coll.  Ashmead. 

A  siMgle  specimen  received  from  Mr.  E.  A.  Schwarz. 
Smaller  and  quite  distinct  from  P.  aptera  in  the  color  of  the  autennJB 
and  legs  and  in  having  different  shaped  antennai. 

Phaenopria  parva,  sp.  nov. 

i.  Length,  0.8""".  Apterous;  polished  black,  impunctured;  anten- 
nae, coxee,  tiochanters,  base  of  tibiie,  and  tarsi  honey-yellow;  rest  of 
the  legs  rufous.  The  antennte  are  long,  14-jointed,  sparsely  pubescent, 
the  first  and  second  flagellar  joints  long,  subequal,  the  second  slightly 
the  shorter,  a  little  curved  and  dilated  toward  apex;  the  following 
joints,  except  the  last,  oval-moniliform,  nearly  e«pial;  1^  times  as  long 
as  thick,  the  last  conical,  longer  than  the  preceding. 

Habitat, — District  of  Columbia.  . 

Type  in  Coll.  Ashmead. 

A  single  specimen  from  Mr.  E.  A.  Schwarz,  and  possibly  the  oppo- 
site sex  of  P.  affinia. 

Phaenopria  montana,  sp.  nov. 

S .  Length,  1""".  Differs  from  P.  parva  as  follows:  The  antennae 
are  piceous  or  black,  the  first  and  second  funiclar  joints  long,  subequal, 
the  second,  angidately  produced  toward  apex,  the  following  joints 
elliptic-oval,  fully  twice  as  long  as  thick ;  metapleura  and  petiole  yel- 
lowish, but  still  woolly,  while  the  coxae  are  rufous,  not  honey-yellow. 

Habitat. — Santa  Cruz  Mountains,  California. 

Type  in  Coll.  Ashmead. 

A  single  specimen  obtained  by  purchase.  The  difference  in  the 
length  of  the  flagellar  joints  and  the  color  of  the  metapleura  and 
petiole  will  readily  distinguish  the  species. 


MONOUKArH  OP  THE  NOKTH  AMEKICAN  rROCTOTKYPID.E.     441 

MONELATA  rr.rHt.r. 
Hyiii.  Stud.,  II,  p.  VI.\  (18ri<!). 
Cortjnoprla,  Ilal.  Nat.  HiHt.  R»n-.,  iv,  p.  170  {1H.57). 

(Typo  lHapria  jnirrula  Nees.) 

Head  lonnded,  slijjlitly  wider  than  the  thoiax,  with  a  slijjht  frontal  im- 
pression, the  occiput  Hlijihtly  eniarginated  and  rounded;  clieeks  pubes- 
cent; ocelli  .'J,  small,  i)laced  in  a  triangle  anteriorly;  eyes  rounded. 

Antenn;e  inserted  on  a  slight  frontal  ledge,  in  9  13-jointed,  clavate, 
the  last  joint,  whicli  constitutes  the  club,  being  abnormally  eidarged, 
several  times  larger  than  the  jireceding;  scape  cylindrical,  reaching 
considerably  beyon«l  the  ocelli;  i)edi»;el  large,  a  little  elongate,  much 
stouter  than  the  funiclar  Joints,  and  as  long  as  the  first  two  or  three 
together;  in  S   13-jointed,  filiform. 

Maxillary  palpi  5-jointed. 

Mandibles  bifid. 

Thora.x  ovoid,  the  ])rothorax  visible  from  above  as  a  transverse  woolly 
line;  mesoMOtum  a  little  longer  than  w.le  at  base,  smooth,  without 
furrows;  scutellum  subconvex  without  a  trace  of  a  fovea  at  base  and 
at  the  most  separated  from  the  mesonotum  by  a  faint  transverse  line; 
metathorax  emarginated  posteriorly,  sparsely  woolly,  the  angles  more 
or  less  acute. 

Front  wings  pubescent,  strongly  ciliated,  the  costal  cell  scarcely  dis- 
tinct, the  submarginal  vein  i  e.aching  the  costa  a  little  before  half  the 
length  of  the  wing,  marginal  vein  punctiform,  the  basal  vein  wanting. 

Abdomen  oblong-oval,  subtruncate  posteriorly,  the  petiole  short, 
woolly,  strigose,  the  second  segment  very  large,  without  a  basal  sulcus, 
beneath  at  base  woolly,  the  following  segments  all  very  short. 

Legs  moderate,  pubescent,  the  femora  clavate,  the  tibite  subclavate, 
the  tibial  spurs  not  very  prominent,  hind  tarsi  as  long  as  their  tibiae, 
slender,  basal  joint  much  longer  than  the  second. 

This  genus  could  only  be  confused  with  Fhwnopria,  but  the  enor- 
mously enlarged  terminal  antennal  joint  in  the  female  and  the  13-jointed 
antennie  in  both  sexes  suflBciently  diflferentiate  the  two. 

Three  species  are  known  in  Europe,  w  hile  but  two  species  have  been 
discovered  in  our  fauna,  which  may  be  thus  distinguished. 
Black;  antennffi,  except  tho  largo  tenuiual  joint,  rufous  or  yellow.  <  i 

Legs  yellow. 
Collar  aud  inesopleura  piceous  or  pale ;  autennjo  yellow. 

M.  MELLicoLLis  Ashm. 

.    Collar  and  niesoplenra  black ;  antennse  rufous M.  hirticollis  Ashm. 

Monelata  mellicollis  Asliui. 
(PI.  xviii.  Fig.  6,  9  ;    a,  ^  antenna.) 

Can.  Ent.,  xix,  p.  197. 

9.    Length,!""".    Polished  black ;  antennae,  except  the  abnoimally 
enlarged  terminal  joint,  collar,  and  legs,  honey-yellow;  mesopleura, 


442  BULLETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

piceous.  Flagellum  scarcely  twice  the  length  of  the  scape;  pedicel 
long,  stouter  than  fill licle;  first  fuiiiclar  joint  twice  as  long  as  thick; 
the  following  all  monilifonn,  the  two  or  three  Joints  preceding  the  club 
a  little  transverse;  the  club  consists  of  one  enorinously  enlarged  joint, 
fuscous.  Abdomen  ovate,  polished  black,  the  petiole  1.}  times  as  long 
as  thick,  yellowish,  densely  woolly,  the  wool  beneath  extending  on  to 
the  base  of  the  second  ventral  segme.  ^. 

Habitat. — Jacksonville,  Fla. 

Type  ill  Coll.  Ashmead. 

Monelata  hirticollis  Ashni. 
Can.  Ent.,  xx,  ]>.  54. 

$  .  Length,  l.l"".  Differs  from  tht;  species  just  described  in  being 
slightly  larger,  Mith  the  antenuie  dark  rufous,  the  club  black,  the  legs 
yellow  or  reddish -yellow;  while  the  collar,  metapleura,  and  petiole  are 
black  and  densely  woolly. 

Habitat. — Ottawa,  Canada. 

Type  in  Coll.  Ashmead. 

The  species  was  described  from  a  specimen  received  from  Mr.  W. 
Hague  Harrington. 

BASALTS  Westwood. 

Phil.  Mag.,  1833,  p.  343. 

(Type  />'.  fiimipennis  w'estw.) 

Head  subglobose,  the  occiput  margined,  the  clypeus  entirely  sepa- 
rated, the  cheeks  woolly;  ocelli  3,  close  together  in  a  triangle;  eyes 
rounded. 

Antennae  inserted  on  a  frontal  prominence,  in  9  13-jointed,  either 
moniliform,  clavate  or  gradually  incrassated  toward  tips,  the  scape 
very  long,  reaching  far  beyond  the  ocelli;  in  S  14-jointed,  filiform, 
the  pedicel  usually  smaller  than  the  first  flagellar  joint,  the  first  flagel- 
lar joint  not  more  than  half  the  length  of  the  second,  the  second  the 
longest  joint  and  always  excised  outwardly  at  base  and  dilated  at  apex, 
the  following  joints,  except  the  last,  always  shorter  than  the  second. 

Maxillary  palpi  short,  5-jointed,  the  third  ami  fourth  joints  small, 
equal,  the  last  elongate,  pilose. 

Mandibles  bifid  at  tips. 

Thorax  ovoid,  the  collar  woolly  at  sides;  mesonotum  without  fur- 
rows (except  sometimes  indications  of  them  posteriorly  in  the  9  ),  but 
prominently  elevated  in  the  middle  anteriorly;  scutellum  with  a  pro- 
found fovea  at  base  or  with  2  confluent  fovea' ;  metathorax  emarginated, 
with  acute  angles  and  a  prominent  acute  median  ridge  above. 

Wings  in  S  large,  broiid,  pubescent;  the  submarginal  vein  attains  the 
costa  at  about  one-third  the  length  of  the  wing  or  a  little  beyond;  the 
costal  cell  closed ;  marginal  vein   short,  triangular,  usually  with  a 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     443 

stump  of  a  stigmal  vein  that  lias  a  short  backward  directed  branch; 
9  apterus. 

Abdomen  pointed,  ovate,  distinctly  petiolated,  the  second  segment 
very  large,  with  2  sulci  at  base. 

Legs  clavate,  pilose,  the  basal  joint  of  posterior  tarsi  about  one-third 
the  length  of  the  second. 

Westwood  characterized  the  genus  from  the  male  sex  alone,  and  the 
ditference  noticed  in  the  antenuje  sufficiently  distinguishes  it  fiom  all 
other  genera  with  non  grooved  mesonotum  and  14-jointed  anteunte. 

Thomson  characterized  the  genus  as  having  12-jointed  antenna?,  in  9  , 
but  he  confused  Zoxo ^ro/>a  Fiirster  with  Bamlys,  and  all  his  females  are 
now  relegated  to  that  genus. 

The  genus  is  undoubtedly  closely  allied  to  Loxotropa  and  the  females 
are  probably  always  apterous. 

What  I  take  to  be  the  female  of  Baaalys  has  13-jointed  antenna?  and 
agrees  in  all  essential  characters  with  the  male.  Whether  I  am  right 
or  wrong  is,  however,  questionable,  and  can  only  be  definitely  settled 
when  specimens  in  both  sexes  have  been  reared,  or  the  sexes  are  cap- 
tured in  coitu. 

"^  The  species  in  our  fauna  known  to  me  may  be  distinguished  by  the 
aid  of  the  following  table : 

TABLE   OF  SPECIES. 

Females 2 

Males. 
Scatellum  with  an  oblong  forea  across  the  base. 
AutenuiB  and  legs  rufous ;  wings  fuscous. 
First  flagellar  joint  oblong-oval,  less  than  half  the  length  of  tli    second,  the 
seconil  very  stout,  a  little  narrowed  and  curved  towards  the  base, 
the  following  joints  shorter,  fully  thrice  as  long  as  thick,  the  last 
acuminate,  1^  times  as  long  as  the  penultimate. 

H.  FusciPEXNis,  sp.  nov. 

Scape,  pedicel,  and  femora  piceous,  rest  of  antenn*  and  legs  pale  rufous,  or 

brownish-yellow. 

First  flagellar  joint  longer  than  thick,  about  lialf  the  length  of  second,  the 

second  stouter  towards  apex,  narrowed  and  curved  towards  base, 

the  following  joints  shorter,  not  more  than  2^  times  as  bmg  as  thick, 

the  la.st  much  longer  than  the  penultimate B.  riciPKS,  sp.  nov. 

Scape  polished  black,  pedicel  and  flagellum  brown. 

First  flagellar  joint  oblong-oval,  less  than  half  the  length  of  the  second, 
which  is  dilated  outwardly  at  apex,  the  following  joints  equal,  2| 

times  as  long  as  thick B.  utahexsis,  sp.  nov. 

2.  Winged;  antenna?  and  legs  brownish-yellow,  the  fonner  gradually  incrassated  and 

dnsky  towards  tips ;  pointed  tip  of  abdomen  rufous.  B.  anams,  sp.  nov 

Winged ;  antennte  and  legs  piceous,  the  former  very  short,  filiform ;  bases  of  tibise 

honey-yellow B.  brk vicORNi.s,  sp.  nov\ 

Apterons;  legs  and  funi<'lehoney-yellow;  scape  and  club  brown-black,  the  latter 
abrupt,  4-jointed B.  californica,  sp.  uov» 


444  BUIXETIN   45,  UNITED   STATES   NATIONAL   MUSEUM. 

Basalya  fuscipennis,  sp.  nov.  • 

S.  I'<>ngth,  2.7""".  Polished  black,  impunctured ;  cheeks  behind 
and  collar  with  a  dense  cinereous  pubescence ;  antennae,  legs,  and  petiole 
brownish-yellow ;  wings  fuscous.  The  antennae  are  very  long,  14-jointed, 
tapering  toward  tips;  pedicel  rounded,  first  flagellar  joint  about  twice 
as  long  as  the  pedi(^el,  or  less  than  half  the  length  of  the  second  flagellar 
joint,  the  latter  the  longest  joint  except  the  last,  very  stout  and  a  little 
curved,  the  following  joints  to  the  last  shorter,  cylindrical,  all  about 
of  an  equal  length,  fully  thrice  as  long  as  thick,  the  last  joint  longer 
than  the  j^enultimate.  Thorax  without  furrows,  but  convexly  swollen 
medially  anteriorly,  the  scutellum  with  a  transverse  fovea  at  base,  the 
sides  straight,  the  postscutellum  tricarinated,  while  the  nietathorax  has 
the  angles  lobed  and  a  prominent,  blunt,  median  carina.  Wings  fuscous, 
pubescent;  the  subraarginal  uervure  reaches  the  costa  a  little  beyond 
one-third  the  length  of  the  wing ;  the  marginal  vein  triangular,  piceous, 
with  a  cloud  below  its  tip.  Abdomen  oval,  black,  shining;  the  petiole 
brownish-yellow,  only  a  little  longer  than  thick,  fluted,  and  covered 
with  a  fine  grisecms  pubescence. 

Habitat.— Washington,  I).  C. 

Type  in  Coll.  Ash  mead. 

Described  from  a  single  specimen  taken  by  Mr.  E.  A.  Schwarz. 

Basalys  picipes,  8p.  nov. 

$  .  Length,  2"'"".  Polished  black,  impunctured;  scape,  pedicel,  and 
legs  piceous ;  flagellam  brownish  or  fuscous ;  base  of  tibije,  trochanters, 
and  tarsi  paler  or  brownish-yellow;  wings  subfuscous.  The  antennae 
are  14-iointed,  longer  ihan  the  body,  the  first  flagellar  joint  about  half 
as  long  as  the  second,  tlie  second  the  longest  and  stoutest  joint  except 
the  last,  thicker  toward  apex  than  at  base,  a  little  curved,  the  follow- 
ing joints  not  more  than  two  and  one-half  times  as  long  as  thick,  cylin- 
drical, the  last  joint  about  twice  as  long  as  the  penultimate,  Imt  slen- 
derer. Metathorax  covered  with  a  rather  dense  cinereous  pubescence, 
rugulose.    Abdomen  entirely  black,  the  joetiole  fluted,  i)ube8cent. 

Habitat. — Washington,  D.  C. 

Tyi)e  in  Coll.  Ashmead. 

Described  from  a  sjiecimen  given  me  by  Mr.  O.  Heidemann.  This 
species  differs  from  B.fiiscipennix,  in  its  much  smaller  size,  color  of  au- 
tenna'  and  legs,  the  shorter  flagellar  joints,  more  pubescent  metatho- 
rax, and  its  wholly  blaek  abdomen. 

■  ■,.  .  _  Basalys  utahensis,  np.  nov. 

S.  Length,  2""".  Polished  black,  impunctured;  scape  black,  shin- 
ing; pedicel  and  flagellnm  brown-black;  legs  piceous,  the  trochanters, 
knees,  base  and  tips  of  tibije  and  tarsi,  rufous.  The  antennie  are  14- 
jointed,  stouter  than  in  the  preceding  species,  the  first  flagellar  joint 
less  than  half  as  long  as  the  second^  the  latter  one-third  longer  than 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID^.     445 

the  third,  autl  a  little  dilated  toward  tip,  joints  3  to  5  about  twice  as 
long  as  thick,  the  joints  beyond  to  the  last  about  two  and  one- half 
times  as  long  as  thick,  the  last  one-half  longer  than  the  penultimate. 
The  scutellum  has  a  large,  deep  quadrate  fovea  at  base,  the  sides 
parallel,  keeled;  the  metathorax  rugose,  with  the  usual  central  carina 
above,  prominent  posterior  angles  and  almost  devoid  of  pubescence. 
Wings  subhyaline,  jmbescent,  the  venation  pale,  the  stigma  brown, 
with  a  slight  cloud  beneath  the  tip.  Abdomen  oblong-oval,  black, 
shining,  the  petiole  very  stout,  not  longer  than  thick,  rugose,  pubes- 
cent above  and  beneith. 

Habitat. — City  Canyon,  Utah. 

T>i>e  in  Coll.  Ashmead. 

A  single  specimen  given  me  by  Mr.  Schwarz.  Resembles  B.  picipes, 
but  the  antennjc  are  shorter  and  stouter,  wings  paler,  while  the  abdo- 
men is  difterently  shaped. 

Basalys  aiialis,  sp.  nov. 

2  .  Ticngth,  2.5""".  Polished  black;  antennae  and  legs  brownish- 
yellow,  the  former  dusky  toward  the  tips;  collar,  metathorax  and 
petiole  covered  with  a  white  woolly  ]mbescence;  scutellum  bifoveated 
at  base;  metathorax  with  a  ijyramidal  prominence  at  base. 

Antennae  13-jointed,  very  long,  the  scape  unusually  long,  more  than 
half  the  length  of  the  flagelluni.  the  flagellum  gradually  iucrassated 
towards  the  tip;  pedicel  stouter  but  not  longer  than  the  first  flagellar 
joint;  the  flagellar  joints  to  fifth  giadually  shortening,  but  widening, 
the  following  to  the  last,  submoniliform,  the  last,  enlarged,  ovate,  about 
thrice  as  large  as  the  penultimate. 

Wings  subhyaline,  pubescent,  the  marginal  vein  thickened  and 
truncate  at  apex.  Abdomen  conic-ovate,  one  and  a  half  times  as  long 
as  the  heatl  and  thorax  together,  polished  black,  the  pointed  tip  reddish. 

Habitat. — Carolina  and  Texas. 

Types  in  Berlin  Museum  and  Coll.  Ashmea<l. 

Described  fr<>m  two  specimens.  The  specimen  in  the  Berlin  Museum 
is  labeled  "Carolina,  Zimmermann." 

Basalys  ruficomis  Prov. 

Nat.  Can.,  xii,  p.  261;  Faun.  Ent.  Can,,  ii,  p.  560. 

S  .  Length,  0.15  inch.  Black,  polished,  shining;  the  mandibles,  with 
the  legs,  rust  red;  the  palpi  pale  yellow.  Antennic  ferruginous,  in- 
serted on  a  i)rominence  of  the  face.  Metathorax  rugose,  short,  with 
two  diverging  keels.  Wings  subhyaline,  the  2  subcostal  nervures, 
with  the  stigma,  black.  Coxje  black  at  the  base.  Abdomen  with  a 
grooved  petiole,  margined  at  the  sides,  the  rest  polished,  shining, 
the  extremity  punctured. 

Habitat. — Canada. 

Unknown  to  me. 


446  BULLETIN   45,  UNITED   STATES   NATIONAL    MUSEUM. 

Basalys  brevicornis,  sp.  nov. 

9.  Lenj?th,  3""".  Black,  polished;  antennae  and  legs  piceons;  the 
scape  beneath,  the  pedicel  and  three  basal  joints  of  the  funicle  show- 
ing more  or  less  yellow;  teguliB,  anterior  femora  beneath,  the  slender 
portion  of  all  the  tibia?  and  the  tarsi,  honey-yellow.  Mesouotum  with 
two  very  short  grooved  lines  posteriorly.  Scutellum  with  two  oblicjue 
fovejB  at  base;  while  the  metanotum  is  rugose  with  a  distinct  median 
carina.  Abdomen  oblong-oval,  highly  polished,  and  at  base  overlapping 
the  short,  thick,  fluted  petiole.  Antennai  very  short,  13-jointed,  sub- 
flliform,  extending  scarisely  to  the  tegula? ;  the  flagellar  joints  after  the 
first  wider  than  long,  the  terminal  joint  oblong.  Wings  subhyaline,  a 
distinct  costal  cell,  a  basal  cell,  and  rather  large,  triangular  stigma,  the 
latter  with  a  distinct  backward  directed  vein. 

Habitat. — Colorado. 

Type  in  Coll.  Ashmead. 

Eemarkable  for  the  brevity  and  shape  of  the  autennie. 

Basalys  califomica,  sp.  uov. 
(PI.  XVIII,  Fig.  7,  <?  ;  a,  9  aiit«iiiua.) 

9.  Length,  1.6™™.  Apterous;  polished  black,  impunctured,  sparsely 
pubescent;  funicle  and  legs,  including  coxfe,  honey-yellow  or  reddish- 
yellow  ;  scape  and  club  brown-black.  Head  globose,  the  frons  slightly 
impressed,  abrupt.  AntennjB  13-jointed,  terminating  in  an  abrupt, 
4-jointed  club;  funicle  slender,  filiform,  the  joints  after  the  first  monili- 
form ;  club  abrui)tly  enlarged,  the  first  joint  rounded  basally,  the  two 
middle  joints  quadrate,  the  last,  oblong.  Thorax  subovate,  the  collar 
woolly  at  the  sides,  the  mesouotum  flat  on  disk,  with  indications  of  two 
very  short  grooved  lines  posteriorly  just  in  front  of  the  scutellum,  the 
latter  with  a  small  fovea  at  base,  the  metanotum  with  a  delicate  median 
carina.  Abdomen  obloug-oval,  polished,  the  petiole  about  twice  as 
long  as  thick,  striated. 

Habitat. — Santa  Cruz  Mountains,  California. 

Types  in  Coll.  Ashmead. 

Unfortunately,  in  making  my  drawings  of  this  sx>ecies  and  before  I 
had  drawn  up  my  description,  I  kno(*ke<l  oft"  the  head  of  the  male  with 
my  i)Ocket  lens;  it  fell  to  the  floor  and  could  not  be  found.  It  is  now 
in  too  poor  a  condition  for  description,  but  I  hope  it  will  be  recognized 
by  the  figure. 

j^  _  MYRMECOPRIA  Asbiii.,  gen.  imv. 

(Type  M.  mfllea,  Aahm.  9.) 

Head  globose,  without  a  frontal  sulcus;  the  occiput  small,  convex; 
ocelli  3,  small,  close  together  in  a  triangle;  eyes  round,  rather  coarsely 
facetted. 


MONOGRAPH  OF  THE  NORTH  AMERICAN  PROCTOTRYPID.E.     447 

Antenn.ne  inserted  on  a  frontal  prominence;  in  ?  14-jointed,  gradu- 
ally incrassated,  mouiliform,  with  long,  bristly  hairs;  the  scape  is  long^ 
clavate,  the  firct  flagellar  joint  twice  as  long  as  the  pedicel  and  one- 
third  longer  than  the  second,  both  narrowed  toward  base,  the  follow- 
ing joints  ronnd-moniliform,  gradually  increasing  in  size. 

Maxillary  palpi  very  short. 

Mandibles  small,  bitid. 

Thorax  ovoid,  rounded  before,  the  prothorax  not  at  all  visible  fron, 
above,  the  sides  bare,  flat;  mesonotum  flat,  smooth,  Avithont  furrows; 
scutellum  subconvex,  with  a  slight  median  ridge,  separated  from  the 
mesonotum  by  a  transverse  furrow  all  across  the  base ;  metathorax  not 
very  short,  sloping  oft'  posteriorly,  the  angles  not  at  all  prominent;  a 
carint  originates  just  back  of  the  scutellum,  forks  and  extends  obliquely 
on  each  side  to  the  base  of  the  hind  coxjb. 

Front  wings  very  large  and  broad,  with  long  pubescei^ce ;  the  submar- 
ginal  vein  reaches  the  costa  before  one  third  the  length  of  the  wing, 
ending  in  a  small  triangular  marginal  vein;  basal  cells  two,  subequal. 

Abdomen  short,  oval;  the  petiole  scarcely  longer  than  thick,  sepa- 
rated from  the  second  abdominal  segment  by  a  strong  constriction, 
dilated  beneath,  and  in  structure  very  similar  to  the  nodes  in  certain 
ants. 

Legs  long,  pilose,  the  femora  clavate,  the  tibiie  very  long,  subclavate, 
the  posterior  tarsi  thick,  somewhat  dilated,  the  basal  joint  twice  as  long 
as  the  second,  the  three  following  joints  subequal,  the  last  longer  than 
the  second,  all  very  hairy. 

By  far  the  most  remarkable  Diapriid  yet  discovered,  and  exhibiting 
a  most  remarkable  resend)lance  to  certain  ants.  In  venation,  the  14- 
jointed  clavate-moniliform  antenna',  and  in  its  metathoracic  and  ab- 
dominal characters,  it  is  quite  distinct  from  all  other  genera  in  the  group, 
and  requires  no  special  commeut  at  my  hands,  as  it  could  not  be  con- 
founded with  any  other  genus. 

Myrmecopria  mellea  Ashui. 

(PI.  xvm,  Fig.  8,  9.) 

Loxotropa  mellea  Ashni.,  Can.  Ent.,  xix,  p.  196. 

$.  Length,  2.3""".  Honey-yellow,  polished,  sparsely  pilose;  eyes 
and  tip  of  abdomen  brown.  Antennie  14  jointed,  reaching  to  the  middle 
of  the  al)domen ;  scape  long,  clavate,  the  length  of  the  first  three  joints  of 
flagelluni  united;  pedicel  half  the  length  of  the  first  flagellar  joint,  the 
joints  beyond  the  second,  moniliform,  subpedicellate,  gradually  increas- 
ing in  size.  Thorax  flat  above,  without  grooves,  narrowed  before;  the 
prothorax  not  visible  from  above;  sides  flat,  but  not  impressed,  bare. 
Wings  very  large,  broad,  and  hairy;  the  submarginal  vein  attains  the 
costa  before  one-third  the  length  of  the  wing;  marginal  vein  short,  with 


448  BULLETIN   45,  UNITED    STATES   NATIONAL   MUSEUM. 

a  blunt  stump  of  a  stigmal  veifi ;  beneath  the  marginal  vein  is  a  narrow, 
dusky  streak ;  veir.s  yellow . 

Habitat. — Jacksonville,  Fla. 

Type  in  Coll.  Ashmead. 

The  species  was  originally  described  in  the  genus  Loxotropa,  but  the 
characters  are  too  entirely  ditlerent  from  that  genus  to  permit  its  re- 
maining there. 

The  following  species  of  FantocUfi,  described  by  Abbe  Provancher, 
and  overlooked  by  me,  should  have  followed  1\  Jloridana  on  j).  372 : 

Pantoclis  inermis  Pruv. 

Aneurhynchns  inermis  Prov.  Add.  a  la  P'auuc,  i».  179. 
I'autoclis  inermiH  Prov.  Add.,  p.  405. 

9.  Long.  15  pco.  Noir,  poll  brillant;  Ics  mandibles  janniUres.  Antenues longues 
.jaune-bninatre,  lo  premier  article  Ic  plus  l<nig,  avec  long  polls  pen  denses,  le  2"  le 
])lu8  conrt,  les  aiitres  allonges.  Tete  grosso  cu  cane,  transversal,  (^paisse  en  arriere 
des  yeux,  a  face  renflco  en  tiibercule  pour  I'insertion  des  autennes.  Thorax  poli, 
brillant;  I'ecusson  sonlevc  uiais  iueruie.  Ailes  hyalines  iridesceutes,  frangees,  it, 
stigmal,  la  radialo  en  forme  do  triangle  allonge,  oiiverte  en  arriere,  ni  cubitales,  ni 
discoidales  fermees.  Pattes  jaune-piile  avec  les  hanches  noires,  les  cuisses  renfl^es 
en  massue  a  rextrt5iiiit<^.  Abdomen  en  ovale,  poll,  brillant,  h  pedicule  fort,  poilu,du 
tiers  de  sa  longueur  environ,  le  2"  segment  fusifomie,  noir,  le  reste  d'uu  jaune  plus 
ou  moirs  uoiratre.     (Provancher.) 

Habitat. — Cap  Eouge,  Ottawa,  Canada. 
Type  in  Coll.  Provancher. 
XJukuown  to  me. 


A    TABULAR     VIEW     OK     TIIK     BKKD     NOimi      AMKKMCAX 

I'HOCTOTRYIMD.K. 

I'l'lii- liiists  III  tlicsd  tallies  Inlliiwiil  li\  a<|iuiv  (.')  iuiliialr  tli.it   llii'   nniid.s  arc  of  i|iirMt  ioii.ililc  accu- 

ia< y  <ir  that  tlm  lni«t  in  liiiulitl'iil.] 


I.   11  ymi:no1'1kra. 

PurasileH.  HokIh. 

Cei>liHli>ii<tini;i  cyiiipipliila  Asliin (ynipid  gull,  Holranpix  omnirora  (?). 

}Xallit'<ila  Asliiu (yiiii»i<l  fjiill,  Andririis  foUntiis  (.'). 

liya]iuip«'nnis  Aslnu Cyiiipid  gall,  Jmphibolipx  rinercr  (?). 

!si»l»ra(liiiim  niaii<lil»ulari!  Aslini Nests  of  Camponotiis pcnmnhanicus. 

moiitantim  Ashni Nests  of  Fnrmica  rufiharhi». 

iiiyi-mecophilnm  Asbm Nests  oi  Formua  rufihorhh. 

iiitiveiitro  Ashin Nests  of  Formica  obxciiripes. 

Polygnotiis  etmra;  Aslmi Eiiura  «.  ttodits  on  Avillows  (  ?). 

II.  I)iiti-.i;a. 

Apliaiiognius  lloiidatins  Aslmi Crcidomiiin  sp.  t'ei-ditig  on   K'ed-spidcr. 

Lygocenis  ciilifoniiciis  Aslim Cicidonniid   sp.    in  galls  on   Larrva  nnxi- 

caiia. 

tiiticmn  Tayl Cvcidnmtiia  dcnti-Kctor  Siiy . 

Inostoinnia  Horn!  Aslini C'eeidomyiid  giillin  blossoms  of  Vfriioiiin 

iiorchoraceiiffis. 

ealifomica  Ashni Cceidomyiid  gall   on   Itliiiiodiiim  itittfiri- 

folium. 

Aniblyaspis  ndniilns  Aslini ('e(idom)ihi  sp.  in  Sciiiash. 

Isorlioinbns  arizonousis  Aslini .('eeidoinyiid    gall  o)i   an   unknown  plant 

in  Arizona. 

I'olyiiKMMis  lupinicobi  Asliiii Ceciiloniyiiil  gall  on  I.tipiiiii-'^  (tthorm. 

cornicola  Aslini ( 'eeidoinyiid  gall  on  ('oniii>i  patiiciilnta. 

Syiiopeas  antennaria!  Ashin Cciidomiiia  antcnufniir,  Whli . 

Anopedias  error  Fiteli D'lphtsis  tiiliri  (ni  wheat. 

Triehacis  rubieola  Ashin Ceeidoniyiid  stein-gall    on     Ulackberry; 

ditto  on  I'cnioiiia  vorchoruceiiiii'i. 

i'latyg;ister  llerrickii  Pack (eridowiiia  dexiniclor  iiux. 

earya<  Aslim ('eeidoinyiid  gull  on  Tliekory. 

rolygiiotns  alnieo^a  Ashm Ceeidoniyiid  gall  tVoni  llower  bud  of  alder. 

pinieola  Ashm Cfridomtiiapim-hiojtisO.  S.  on  riniis  inojtu. 

atriplicis  Ashm Ceeidomyiid  gall  on  Afriplex  <<iii emeus. 

hnachuacie  Ashm Ceeidomyiid    pod-like    gall    on  an   im- 

known  plant  in  Arizona;  Ceeidomyiid 
steni-gall  on  snnllower,  and  a  ('eeido- 
inyiid gall  on  sensitive  plant. 

diplosidis  Ashm Diplosia  sp.  on  pine. 

actiuomeridis  Ashni Ceeidomyiid  gall  on  Avliuomeii>i  sp. 

californicus  Ashm ..,,,,.  C^scidomyiid  gall  on  lUicvharis  pihilaria, 

21899— No.  45 29  i^^ 


450  DLLLKTIN    I".,   UNITED    STATES    NATIONAL    MUSEUM. 

II.    Mii'TKKA — Coiitiinicd. 
I'nranittn.  Hoxlx. 

PoI.v{;iiiitiis  astniiolii  Asbiii Cecidoiii.N  iiil  j;i»ll  on  iistcr. 

iisviiaptii- Asbiii Ce<i(l<)iii.yii<l  ;j;all  .Ixfinuiiln  sji. 

Iiicinalis  Forbes ( 'rvidoiin/id  dvntriietur  Say.  on  w liuat . 

baixbaricola  Asbiii ('»'t'iiloinyii<l    !j;all    on     llaccluiris    hiilim\- 

I'oliti. 

I'lafyKiisli'i"  i'l''^'''*'"^  Asbrii " Apbis  s]>.  on  ('hfito)iii<liiim  album  (  ?). 

Kritiissoincrns  ct'cidoniyi;!'  A  slim (N'ciiloniyiiil  ;^all  on  Hickor.\ . 

Polyguotns  striatir»'i>s  Aslmi Cei'idoaiyiid  jj;all  on   UtinUtvut  or  .Irleiiti- 

xitl   K)l. 

salicicola  Asliin ( 't'cid<»niy  iid  null  ><u   midrib  of  b'aveM  of 

W  ilJow. 

jiroximiis  Aslini CrvUUimfi'ia  (oxniaxmi  b'ib'y. 

•Mirotia-  Aslun Ci'<-idoniyiid  <iall  tin  luirot'ni  ctiiuitii. 

solidugiiiis  Asbm C'ecidomyiid  ;j,all  on  S(di<lago. 

viticol.-i  Asbm (,"«'ci(b)myiid  sinU  on  Grape  and  Arieinisiu. 

( ynipicola  Aslini Cccidoniyiid  in  Cyuipid  j^all  XcHroierus 

hiilidiiK. 

coloraibMisis  Asbm Cecidoniyiid  jrall  on  Sage  bunb. 

ntabensis  Asbm Cecidoinyiid  gall  on  .liteiiiinia  triilnitttta. 

rnbi  Asbm f'ecidomyid  /(irinoxn  on  Hlackbcrry. 

vcrnoniie  Asbm Trypeta  gall  on  I'ernonia  Hovvhorucetma. 

tumid ns  Asbm Cvcidonnj'ia  si/mmetrirft  f).  .'^.  on  Oak. 

Tropidopria  conira  Fabr Erifitalix  leiiax. 

Diapria  ninsca'  Asbm Dipterous  ]in]iai'ia   I'ouncl  in  tbe  grouud. 

nii>'noj)ria  ba-niatobia-  Asbm Hinnatohld  srrnitu. 

Diapria  atrromyzii'  Fitcb Atjromyzn  (imvrUaun  Sav. 

III.  —  I.KriDol'TKK.X. 

I'erisenins  )>rolongatns  I'rov Crambus  cdHfiiiiosellnx. 

(ioniozns  Hnbliiinlii  How I'latyiiota  rostra iik  ;ind 

I'lataceticus  ijlon ri'i. 

cellaris  .*>ay Geonietrid  larva  on  wbciat  Htiildde. 

l'ov('(da( MS  Asbm Tineid  larva  in  dry  f'nugus. 

I.ygociTns  (i-dentatus  Asiim Sarroihi  qm    rairiiiiuiKi  (.'). 

Tolenonins  iebtbyur.-e  Asbm Eggs  h'hihiiurn  iiiclima. 

grapta-  llow Eg!;s  CniplK  iiili rriKjtdioiiis. 

Eggs  (irapld  prot/ni'. 

Eggs  I'anexaa  aiiiiopa. 

V,g<xfi  (hriisophanr.-i  hnjMphhrfiH. 

Eggs  I'dmphila  vvrnvg. 

gnopba-be  Asbm Eggs  (i  nophirhi  hoj>feri. 

,s|>iiiisomatis  Asbm Kg<^s  SpiloKoina  rinjinica. 

ar/ani.i'  IJiley V.g'^t^  .Ircaiixi  (h-iimi. 

bi'liotliidis  Asbm 'Etx^ia  Jldiothix  arniigcni. 

lavrrna' A.sbm Eggs /,f(r(c»(rt  7(u'(/e»V'7?(«. 

Kilcy i  How Eggs  - Ipiituni  rh/loii. 

(•Hsiocampa-  Eiley Eggs  diniocnmpa  americami. 

bifidns  b'iley Egg.s  Hiiphaiitrhi  tejrtor. 

KiM'bcb'i  Asbm Eggsnnknown.Li'pidtipterononSolidago. 

go.ssyjdicol.i  Asbm Eggs  oCa  Lcpidojderon  on  rotloii. 

geometra-  Asbm Eggs  unknown. (ie«>metrid on  wildeherry. 

ealifbrnicns  Asbm Eggs  (hgi/hi  s]». 

tilihingis  Asbm  . . , Eggs  -Sphinx  varoliita. 


MONOGUAl'U  OF  THE  NOKTII  AMKKICAN  riiOCTOTUYIUD.E.      4;jl 

IV.    C'OI.KOI'TKKA. 

ParanHi-a.  lloatx. 

Ajx^nesia  coronata  Ashin CatogviiiiH  vk/iik  niulcr  bark  of  (  en  in, 

(V'ltbulonoiiiia  hyaliniixMiiiis  Aslini Hiiinithcnvmiis  cniditim  in  tig  twi^s. 

Aiiiixas  ('hittou(l»'iiii  Aohin rroiii  ("m  ftmipvH  liviiij^  in  fuuy;n8. 

Atelcopterim  tursalib  Asbm ^^ilvamm  »iirinami»iiin  in  raiHins   anil    in 

8tore<l  grain. 

La-liiiH  trofioilerniatlM  AmIihi Larva  of  Trofioderma  tarsaU: 

l'r«»ctotry)><'«  ohsdletuH  .Say SI>:iidol(i  8tri<joxa. 

MacTiiteleia  lioridana  Ashni From   stems  of  timothy    infewtetl    with 

/.aHi/iiriti  (.') 

I'rosacantliM  (■arol)urnm  Kiley Eggs  of  r/i/fCHMC*  luipinu-lifronn. 

(eiaitliron  salicicola  Ashm Hrt'd  from  old  willow   wood  which  was 

partially  covered  with  fungus  and  in- 
fested with  Coleoi)teroH8  larva-  (  i). 

Triehacis  rulii>c»  Ashm From    acorns    infested    with    Balaninuts 

IHIHiCHH  (.'). 
V.    (JUTHDl'TKK.X. 

Ciiens  (ecanthi  Riley Eggs  <Iun>ilhii-i  iiiaiiniuu\  (K.  Inlijuiiiiiii. 

Baryeonns  o'canthi  Ifiley Fggs  <E<<i>ilhun  iiirciix. 

Scelio  ovivora  Hiley Eggs  Jh     inttira  cavoHiin. 

t-alopteni  Kiley Eggs  Calopteniis  atlantin. 

Lnggeri  Kiley Eggs  Calopfeinis  sp. 

Mucroteleia  tloriihina  Ashm Eggs  Orchtlimum  <jUiherHmiun. 

\'I.   Hemu'tkha. 

Labeo  typhloeybie  Ashm Tiiphloctjha  s)».  on  (  eltis  and  Elm. 

Lygocerns  niger  How Siphonophortt  arnin . 

Jlorifianns  Ashm Lachuiix  aiintriiHs. 

Apbanogmns  floridanus  Ashm From  twigs  containing   eggs   of  (icmlit 

septendcvim  (.'). 

I'hannrns  ovivorns  Ashm Heterojiterons  eggs. 

Telenonnis  podisi  Ashm Eggs  I'odiHnu  mod^Htan. 

Hulthardii  .Vshm Eggs  of  a  Kednviid. 

peisimilis  Ashm Eggs  of  an  nnknown  lleiiiipteroii. 

Trissolcns  podisi  Ashm Eggs  Podimm  sy^u/o.sH.s. 

euscliist  i  Ashm Eggs  Kimchiihix  .svrriix. 

brochymena'  .\shni Egg.s  lirorhifmriia  aibortu. 

I'lnrgantia-  Ashm Eggs  Munjantitt  hixlrioiiica. 

lladronotns  tloridanns  Ashm Eggs  Metajwdius  fcmoralnn. 

lej)tocorisa' How E,ggs  Zvliin  hilolms. 

hirgi  Ashm Eggs  Lurt/itu  Kiicdnrliis. 

rngosus  How Eggs  /•.'/(//(ocZ/irf  ;/f(/t>«/»»/'. 

anasa^  Ashm Eggs  .1  mim  IriHlis.  - 

Amitiis  alenrodinis  Hahl Ihiirodcx  occrh  and  J.  vitri 

VI 1.    NKlKoriKKA. 

Teleuomns  chrysopa'  .\shm Eggs  ( 'krunopa  sp. 

VHI.    AUA<iINII>A. 

Acoloides  saitidis  How Eggs  Suitix  pithx. 

Eggs  rhtjdippiix  niorsiluiix. 

Emertonii  How Eggs  of  an  unknown  spidt^r. 

Aeolus  Z.'tbriskiei  Ashm Eggs  of  an  nnknown  spider. 

]3uei4s  amei:ica,uus  Huw  .,,,.,,,.,,.,, Eggs  of  wu  Epeirid. 


LlTEllATlJllH    AND   AIUIUKVIATIONS. 


A. 

Ann.  Soo.  Ent.  Tr. — Annales  <l<i  la  Sooi«^t<''  Entoiiioli>jri(|n«  <le  Frjiiicc.  I'iiris,  1832  et 

Ann.  anil  Maj;.-  Tin-  Annals  and  Majjazinc  of  Natural  History.  Loutltm,  IHU  et  neqq. 
Ann.  Mns.  Nat.    Hist. — Annales  <ln    Mns<?niii  d'Histoirc  Ntitnrelle,  20  vols.,  Paris, 

1802-' 13. 
Aslun.,  Bnll.  No.  I,  (,'ol.  Uiol.  Ass.— Ashnicad  (W.H.).     I$ulletin  No.  1  of  tin'  Colorado 

Hioloirical  Association.     Wasliinjrton,  I).  (-.,  1H9(). 
Ashin.,  Hull.  No.  14,  V.  S.  Dept.  Ajiric— Bulletin  No.  14.  V .  S.  Department  of  Agri- 

(•nlture,  Division  of  Kntoniology.      W'asliinifton,    1).  ("..  (JoviirnnuMit  I'riut- 

inK  ( )tti«'<'.  1887. 
Ashni..  Fla.  Agric,  iv. — Florida  A<?riciiltmist.  Vol.  iv,  1881,  l>e  Land.  Fla. 
Ayf-rs  (H.). — Memoirs  of  the  Boston  Society  of  N.itinii!  Histo -y,  vol.  in,  1884,  No.  8, 

lioston,  Mass. 

R. 

Balf.,  Conij).  Embry. — Balfour  (E.  M.).     Comparative  Embryolojjy.     London,  1880. 

Berl.  ent   Zeit. — Berliner  entomolot^isehe  Zeitschrift,  Berlin,  1857  et  nt-qq. 

Boll.— Boheman  (C.  H.).     .SV  Serials. 

Bouehe,  Naturj;. — Bouch^  (I*.  F.).     Natur<jeschi<hte  der  Insecten.  liesonders  in  Hin- 

sieht  ilirer  ersten  Zustiinde  als  Larven  and  Pni>pen.     B»Tliu,  1834. 
Bost.  .lonrn.  N.  H. — Boston  .Journal  of  Natural  History,  vol.  i  [183(>]  et  afqq. 
Brulle,  Hym. — Brune(A.).     Histoire  Naturelle  des  Inseetes,  par  M.  le  Comte  Amed6e 

Lt4)t'lletiei  de  Saint-Farijeau.     Hyni<'Mioi>teres,  ])ar  M.  Auj?.   lirullt-.     4  vola. 

Paris,  1«37-'M). 

<". 

Can. Ent. — Canadian  Entomolo<^ist,  24  vol:;..  London,  Ontario,  Canada.  .;    ' 

Cameron. — Cameron  (P.). 

Cre.ss..  Syn.  Hym. — Cresson  (E.  T.).     Synojisis   of  the    Fanulies  and  (ienera   of  the 

Hymenoptera  of  Ameriea,  North  of  Mtixico,  together  with  a  catalogue  of 

the  descrihed  species,  and  Itihliograjthy.     American  Entomological  Society, 

Philadelphia,  1887. 
Comp.-renil. — Comptes-rendns  de  I'Acadomie  des  sciences  a  I'lnstitut  de  France, 

Paris,  1835  et  xiqq. 
Curt.,  Brit.  Ent.— Ctirtis  (.L).     British  Entomology,  l(j  v<ds.,  Loudon,  ■l823-'40. 
Curt..  Farm  Ins. — Farm  Insects;  being  the  Natural  Hist<»ry  and  Eccmomy  of  the  lu- 

sects  injurious  to  the  Field  Crops  of  (Jreat  Britain  and  Ireland.     London, 

1860. 

Curt..  Mcintosh,  Book  of  the  Gard. — Entomological  articles  in  Mclnttish's  Book  of 

the  (iarden.     2  vols.     Edinburgh  and  I^onilon,  1853-'5.'). 

453 


454  MTKIJATI  IJE    AM)    AMHRF.VIATIONH. 

n. 

Daliii.,  All.  Kilt. — Diiliiiiiii  (.I.W. ).     Aiiiilt-rlu   Kiiloiiiiilo^iDi.     StiK'klniliii,  IS'j:). 

K. 

Knt.  Amor. — Kntniiioli);;i)'a  AiiiiTi<-iiii:i.     A  Montlily  .finiriiiil  of  Kntoiiiolofxv.     Kilil.cd 

hy  iJohu  IS.  Sinitli.      ■">  voIh..  ISK)  <7  nm/)/.     I'tiltliHiuiil   \>y  Itionklvti  Kiitoinii- 

logicul  Soriet.s . 
Kilt.  News. — EutomolD^ic-il  Ni-wh, -^-tf.     K<liti-<1  by   Henry  Skinner,  Mil.     I'liiliidi^l- 

jihia.  Vol.  I,  WM)  it  kc*/*/. 
Knt.  Mo.  MiiK- — i'lii'  Kntoiiiolo^iNtN'  .Montiily  MaKU/iiK-,  London,  1864  </  >«</«/. 
Knc.  Mrit. — Kncyclojiii'dia    Mritiinniiii.     Kil.    \  iii.     Vol,  ix.     Article    Kntoniology. 

Kilinhiir^li,  185.">. 
Kuc.  Motb.  -KiMycloiM'die  M('-tho<1i<|ii>>.     10  vols.     Paris,  17S{)-lX2."i, 
Knt.  Ma;;. — Tbo  Kutoniobtgical  Ma^aziin-.     .">  vols.     London,  ls;i3-';W. 
Kutoni. — N«'\viiiaii's  Kntoniolugist,  London.  IH4(V-'l2  and  \>0'A,  li  Hcqq. 

v. 

Fab.,Ent.  Sys. — Fabriciu8(J.  C).     Kntonndo^ica  SysttMiiatica.    1  vols.    (Joitenhayen, 

17!t2-'!U.     Sni.idt'tu.-nt,  179S. 
Fab.,  I'iez. — Fabriciiis  (,].('.).     Systi-nia  Piezaturiiin.     BriiiiHwick,  IStM. 
Fab.,  Sys.  Knt. — Fabririns  (.I.e.).     Systcnia  Kntoniolo^ica.    Flenslmr^  and  Lii|i/i^, 

177.-.. 
Ftirst.,  Heitr. — Foralor  (.\.).     Heitiiijjt- /iir  Monograph ie  der  I'teroiiialinrn.     Aix-la- 

Cbapell.-,  1K41. 
Ftirst.,  Hyiii.  Stu''. — Forster  (A.).     Hyraonopterolo^is(  bo  Stiidi«n.     Heft   ii.     (Jbal- 

cidia"  Mild  I'rortotriipii.     Aix-la-(Jliapelb%  lHr>(>. 
Fitrst.,  Kl.  Monoy;. — Kb-ine  .Mono;;ra)diie,  187s. 

(i. 

Cianiii,  I't'luT  <l.  Knibry.— (Janin    (M.).     Leber  die  p^nibryonalbiine  der  bynieiiopt. 

mid  lepiilopt.  Enibryonen.  St.  Peterslmr^,  18(>9. 
Gard.  Ciiron. — (Jardeuers'  C'broniele,  l^oinbm,  1841  it  sii/ii. 
Geer,  M<^iii. — Geer  (C.  de).     Mt-iiioires  ](onr  servir  a  I'llistoire  lU-s  Inseetes.     7  vols. 

Stoekbohn,  17."')2-'78. 
Germ.,  Fn.  Ins.  Kiir. — (ierniar  (E.  F.).     Fauna  Iiisectoriini  Eiiropa-.    Heft  i  and  ii, 

by  A.  Abreiis.     Contiiiiied  l»y  E.  F.  (Jeniiar.     J4  )>ts.     Halle,  1812-'48. 

H. 

Haid,,  Hericlite. — Hericlite  iiber  d,  Mittbeiliin^en  v.  I'roniideu  d.  Naturw  isseiiHcb,, 
beransge^oben  v.  W.  HaiAeiiger.     7  vols.     Vienna,  1847-'r>l. 

Hal.,  Hyiii.  Hrit. — Haliday  (A.  >L).  Hyiiieuo|itera  Hritanni<:a.  Oxyiira.  FaBcien- 
lus  I,     London,  1839.     See  Serials. 

How.,  Send.  Hut. — Howard  (L.O.)  in  Seudder's  Ibittertlies  of  tbe  Eastern  United 
States  and  Canada.     Caiubriilge,  Mass.,  1889. 

Hub.,  Ins.  Aft".  Orange.— Hubbard  (H.G.).  Insects  Afterting  tbe  Orange.  Reporton 
tbe  insects  aileeting  tbe  eiiltiire  of  tbe  orange  and  otber  plants  of  tbe  Citrus 
family,  witb  practical  suggestions  for  tbeir  control  or  extermination,  made 
under  «lirection  of  tbe  Knt^imologist.  Washington,  D.  C,  Government 
Printing  Office,  18K-.. 

I.'       '^"     "  '^"'■'     -^  '■■■-■  ■ 

Ins.  Life.— Insect  Life.  etc.  Kdited  by  C.  V.  Riley  .ind  L.  O.  Howard.  Vol.  i.  1888 
et  aeqq.     WaHliiiigton,  I >.('.,  (Joveriinient  Printing  Otliee. 


MTKKATrWK  AND  Ar.HRKVT\TIO\S.  4*).^) 

.1. 

Jonr.  Ai-iwl.  Nut.  8<i.  I'liil. — .loiuiiul  of  llm  A<ii<l<iii\   i>r  .\.»»iii:il   Srimn*-?*  of  I'liilu- 

(It-lphiii,  \  111.  1.  I  IM7J  it  nni<i. 
.Iiiriiu',  llyiri.  — .liiiiiic  1 1^.  t-     N'iiii\ollr  Mt'tli"<lt'  <!<•  rlnsscr  Ifs  ll\  iiH'Uopt-t'nM  I'l  led 

l>il»t<i<'>i.     (Jcnevii  an<l  I'uiif*,  IxiiT. 

K. 

Kin-li..  ( 'ill.  Ilviii.  l'".iii». — Kircliiicr  ( |j.  I.     (';itiil(>;;iiH  l(.viiii-iii)](t)'r(>riiiii  Kiiropic,  iHCi". 

L. 

F^iiiiii.  Sy8t. — Nfoiirt  tie  r.aiiiiirrk  (.).  M.  I'.  A.  <!»').     SyNtiMin-  <l<'f<  iiiiiiiiiiiix  msiiih  verti'- 

hien.     I'ariN,  1H<)1. 
Latr..  (iiv.  Ri'H.  An. — Latniilli^  (  I".  A.>.    Articlfs  in  Ciivifr's  Ki-jiiio  A'limal.      i;<l.  i. 

;i  vols.    Paris.  1K17. 
I.,atr..  (m'Ii.  CiiiKt.  et   Ins. — Latrcille  i  I'.  A.  i,     (u-iK-ra  ('ni.stai'riiriim   rt    liisfi'toriiiu 

seniniliiiii    ordiiu-iii    iiatiiralrm    in   faiiiiiias  ili.s|Misita.      I    vols.      Talis  and 

Stiasliiirfi,  lK(Mi-"!t. 
I.atr.,  Xat.  Hist. — I^atrt-ille  i  1'.  A.),     llistoin- Natnrt^llt' ;;<-ii<i-alf  ci  jiarticnlii'i'i- ili-s 

('rnsta('<'s  <t  tics  Inscctcs.      It  vols.      Pans.  1><02-'."'). 
Latr..  Prt'c.  —  Latreillp    (P.  A.K      Pr«'<-is    dcs   Caractrres   fjom-riqiifs    des    Inst'ctfs. 

Urive,  17iH}. 
Linn.  Ent.— Linna-a  Kntomolofiica.      lii  vols.      Mt-rlin  and  Lt-ipsic,  184t>-'6(J. 
Liun.,  Fn.  8uec. — Liune  (f.  von).     Fauna  Siiecica.     Ed.  ii.     Stockliolui,  17»)1. 
Linn..  Sys.  Nat. — Linin' (('.  von  ).     Systt-uia  Natnin'.    Eil.  Xir.     Stookhohu.  17ri«i-'(W. 
Loud.  Ma;j. — Loudon's  Magazine  of  .Natural  History.     i>  vols.     Ijondou,  IxJlt-'Sti. 

.M. 

Marsh.— Marshall  (T.  A.).     In  serials. 

Marsli..  Cat.  Hrit.  ()\y.— Marshall  (T.  A.).  A  CatalojjMe  of  the  Kritish  Hynieuo])- 
teraOxynra.     Loud(»n,  IXl'^. 

Mem.  .Viad.  .St.-Peterslxmr:;. — M<''uioires  ile  rAeadeniiede  St.-Petershonrg.  lH<!!l-'70. 

Mem.  -Vi'ead.  Tor. — Memoric  della  Ifeale  Afcadeuii;i  delle  .Seienze  di  Torino,  s<'rie 
seconda,  Tom.  Xiii,  lKt,i. 

^lem.  Soc  Maiich. — Memoirs  and  Pr(»<;eedings  <>(  the  Mauehester  Literary  and 
»  liilosojiliical  Society,  4th  scries. 

Mik.— Mik  (.1.).     In  serials. 

Moes.,  Magyar  Fn. — Mocsary  (A.).  Mag.var  Fauna  uutsnejii  darasai  (Heterogyniihe 
Fauna'  Hungarii-a-).     Term.  Kozleui,  wii.  ]»p.  l-iW,  pis.  ii. 

Miill..  Fn.  Fridr. — Miiller  (<>.  F.).  Fauu.i  luseclorum  Fridriehsdalina.  Copenha- 
gen anil  Leipsie,  17UI. 

Miill.,  Natiirs.  Lmn. — Miiller.  (P.  L.  S. ).  Vollstiindiges  Xatnrsystj'm  des  C.  v.  l.innd, 
niit  einer  Erkl.-iruny;.     (i  m>1s.   and  su)>)(lcnient.     Nureniherg.  177S-'7<>. 

-       .  ,.  \. 

Nat.  His.  Rev. — The  Natural  History  Review ;  a  quarterly  journal  of  science,  ion- 
ducted  hy  Haliday  and  others.     .">  vols.     Dulilin,  1854-'5S. 

Nees.  Monog. — Xecs  von  Esenheck  (C.  (i.i.  Hymeuopterorum  lehueumonihus  af- 
liuium  Monograi)hia'.  Cenera  Euvo))ica  et  Sjtecies  illnstrantes.  2  vols. 
Stuttgardt  and  Tiihingen,  18:il. 

Nouv.  Diet. — Nouveau  Dietionnaire   <ri        oire   Xaturelle.     ;m>  vols.     Paris,  IHlfi. 

n. 

Ofv. — <  tfvcrsigt  af  Kougliga  Nvenska  \'ctenskaps-.\kndcniicns  Filrhandliugar, 
.Stockholm,  ISI."*  tt  scqu. 


45n  LITKRATFRR    AND    AnRRKVIATIONft. 

P. 

Pack.,  (Jnide. — I'iukiird  (A.  S. ).     Uiii<l<-  to  Sttuly  «>t"  Iiiscits,  ;im<1  :i  treatise  on  those 

injurious  au«l  beiielicial  to  croiys,  lor  the  use  of  coHej^es,  farni-sehools,  and 

af^ricultnralists,  liy  A.  S.  Packard,  jr..  ^^.  ]>.     Seventh  edition.     Now  ^'orlv, 

18S0. 
Pan/.,  ]'n.  (ierni. — l':in/er  ((i.  W.  F. ).     I'aiina'   Insectornni  (iernianica'   initia.     \v'J 

ids.     NnrendnMg,  ITHl'-llSK). 
I'an/...  Krit.  lievis. — Panzer  ((i.  .\\  .   1'.).     Kiitisthe    Jie\  ision    d<r   Jiisecktenlunnc 

Deutschlands.  nach  deni  System  )>eail)eit<t.     2  v<ds.     NuKiuheij;,  lS05-'(!6, 
Perris,  Ann.  Soe.    Linn. — Perris  (ed.  k     Annales   de   la    Societe  J. inn.   Lyon,  Sf'vie  2. 

Tom.  IV. 
Phil.  Miif^. — The   Loudon   and  Kdiulmrnh    I'hilnsoidiical   Majf.-izinc  and  .IommkiI  uf 

Science.     16  vols.     London,  lK{l'-'4(). 
Proc.  Knt.  Soc.   ],oinl. — Proccedinj^s  of  the  Kntomoloijical   Society    of  London,  ls;>t 

ft  neqq. 
I'roc.  Knt.  iSoc.  Wash. — Proeeediujjs  (d'  tlie   Eiitom(do^ical  Society  of  Washin<j;toii, 

vol.  I  ct  gcqq. 
Proc.  r.  S.  X.  Mns. — Proceedings  V.  S.  National  Museum,  Vol.  \  iii. 
Prov..  I'aun.,  Hyui. — Provaueber   (Al)l>e   L6on).     Petite   Fanne    F.ntoniolojjiciue  du 

Canada,  etc.     \'ol.  ii.  llynnMioidcres.     (^>uebee,   1S83. 
Prov.,  Add.  Faun.  Hym. — Additions  et  corrections  an  xolniru;  ii    ilc  la  Fanne  lOnto- 

nndojjiqne  <lu  Canatla  traitant  des  IfymenoptiTcs.     (^ne)tec,  18H!>. 

R. 

Ratz.,  Ichn.  d.  Forst. — li'atzebnrj;  (,I.  1'.  (,'.).     Die  Iclmenmoncn  der  I'or.stinsecten  in 
forstlicher  nnd  eutoniolo.uis<'her  iieziehnni;'.     ;>  vols.     Hei'lin,  1844-'r>2. 


Say,  L<    .  1-d. — Say  (  T.).     ('onii)]ele  \\  i  itin^is  of   Thomas  Say  on  the  EntonKdofjy  of 

North  Ann-rica.     Edited  by  .John  L.  Lecoute,  iL  1>.     2  vols      New  York,  18r>9. 
S<di;ilf.,  Forts,  (ierm.  — II Trich-Scli.-ilVer    (d.    A.    W.).       Fortsetzun*;    von    Panzer, 

I'auna'  Insectornni  liermauica'  initia.     Hatisbon,  Ixi'!i-1L 
Scntbl.,   Hnt. — Scudder    (Saml.).      Unttertiies   of  the    Eastern     Lniled    States  and 

Canada.     Cambrid;>e.  Mass..  \XX\\. 
Sjiin..   Jus.    Lig. — S)iinola    (Maripiis    M.>.     Insectornni     Lifjnriie    sj-.ecics  nova-    ant 

rariores.     2  vols,     (ienoa,  IHOti-'S. 
Stefano,  Nat.  Sic. — Stetano.     II  Natnralista  Siciliaiio:  (iiornale  dellc  Scicnze  Natu- 

rali.  Kajjnsa.  Palermo. 
Step.,  111.  Brit.   Eut. — Stephens    (.LF.).     Illnsirations  of  P.ritish  Enti-.nology.     11 

v<ds.     Londini.  lM2S-'lt!. 
Stetr.  Zeit. — Stettincr  entiniKdogische  Zeitnnjjc,  Stettin,  1840  r/ w/qr. 
St.-Fari^. — St.-Fargean  (A.  L.  -M.  Le  Pcletier.  Conitii  <le).     See  serials. 
Sv.  Ak.  llaudl. — Kon.<i;litra  Svensk.i  ^'e1enskalts  Akadeiniens  Ilandlingar,  Stoekholm, 

1780  vt  Kiqii- 

T. 

Tascli.,  Natnr^.  wirb.  Thiere. — Tas(dienberj;'  (J'2.  L.).    Naturj^eschichteder  in  ]>eiitsch- 

land,  Piensscn  nnd  Pusen  den  (iilti.rjjtlanzen  sehiidlichen  wirbelloseu  Thiere. 

Leipsic,  IStiit. 
Trans,  l-^nt.  Soe.   Lond. — 'flie  Transactions  of  the  KntomtdoKical  Society  of  London. 

1834  tl  xeqq. 
Trans.  Linn.  Soe. — The  Transactions  ol' the  IJnna'an  So<'iety  of  L(nidon,  1701  <l  xiqq. 
Tnrt.,  Sys.  Nat. —  Tnrton  (W.).    .V  (ieneral  >'•  stem  of  Nature;  translated  from  timelin, 

Fi.brieiiiH,  «'te.,  Animal  Kinjjdom,  V(  i.  ii  and  iii.     London,  ]8(»«; 


LITKK'ATURK    AND    ABHREVIATIONii.  457 

V 

Vcili.  I'r.  lilicinl. — V'crli;iii<Uiiiiycii  <lfs   uaturhisioiisrlitii  \Creiii8  (1«m    ]>nussi.s<heii 

Rheinlande  nnd  WeNtiihalcns.  Bonn,  1S44  et  sef/7. 
Vill..  T.iim.  Eiit.— VilltTs  (('.  J.  «lt).     Caioli    Linna-i    Kntoniolofjia.     L.ytl.ii,  17S9. 

W. 

Walrk..   I'n.  Paris. — Wak'konarr  (Bavon  ('.  A.    dc).      Fauue  Pavisienne.       Histoiio 

Alinjict'  ik's  Insfctes  (Us  Knviions  dc  Paris.     2  vols.     l'ari«,  1?<()L'. 
Wt'l).  iiud  Molir,  Boitr. — Arcliiv  fiirdic  systematisclieNatuij^eschiclite.    Edited  by  F. 

Wflit'i-  and  W.  II.  Molir.     Leipsic,  1804.    C<)ntinueil  under  the  title :  Beitriigc 

/III- Xatnrkuude,  etc.     2  vols.     Kiel,  180:')  and  1810.- 
Westw.,  Intr. — Westwood  (J.O.).     An  Introdnction  to  the  Modern  ('lassilieatiou  of 

Inserts.     2  v«d8.     Loudon,  183!»-"4(). 
Westw.,  Thes.  Eut.  Ox. — Thesaurus  ICntonioloj^icus  Oxoniensis,   etc.     Oxtord.  1874. 
Wieu.  Ent.  Zeit. — Wiener  eutoniologisclu'  Zeitnuf;. 

Z. 

Zett.,  Ins.  Lap. — Zetterstodt  (J.  W.).     Insecta  Lapponiea deseripta.     Leip/.l;;,  1840. 
Zeits.   t.    wiss.  Zool.— Zt'itscluift  fiir  wissenst'liaftliclie  Zooloi^ie.  Leipzig.    Bd.   XIX, 

186lt. 
Zoiil. — The  Zotilogist,  l^ondon,  184;?  <t  scijq. 


EXPLANATIOX  To  PLATKS. 

ri.ATi:  I. 

Fk;.  1.  F,i>yri»  (jfaudif. — W.Hcatl:  c,  vertex;  o,  ocelli;  <»<■.  occiput ;  //.  jicna,  or  cheek; 
./',  face;  c,  eye;  <7,  <  lyixMis;  a,  aiiteiina;  «c. scape;  ^,  pedicel;  //,  liagc''  im; 
mr/>,  maxillary  palpi;  /6^>,  labial  palpi;  hi,  mandihles.  T,  Tlioiux  :  ^»/,  pro- 
thorax;  c,  collar;  jiii.  ]>roi)otiiin ;  p.  propleiiron ;  pxtni,  i)roKternum;  sji, 
spirai-les;  m.s,  nie.-4oscutum;  pf.  jtarapsidal  furrows:  ;),  jiarapsides,  orscaj)- 
ulie;  X,  iiiesoscutelluui  i»r  scutellum;  iir,  axilla;  nips,  iiiesopostscutellum; 
/(/.  tctjula,  or  wiu<>-  scale;  )Hy>,  iiiesoplcurou;  (««//«,  iiiesosteruuiii ;  rp,  v\n- 
sternuiu;  mlt.  inetatborax;  inn,  nietaiiotuni;  sp.  spiracles;  mtp,  metaph'u- 
roii;  i7(H.  insertiouof  hiuil  wiufjs.  A,  .Ibdiniini :  1  2.  3.  4,  5,  6,  7,  and  S.  tlorsal 
sejjiiients  or  tergites,  iiumlx  r  1  usually  desii^uated  as  the  i)i'tiole;  2,  :>.  4,;"). 
and  H  nrites,  or  ventral  sc<;nients;  tor  «/*,  slieaths  conjoined,  forniin<f  a  tub.* 
for  the,  terebra  (/6rt).  or  ovijiositor  i»roper;  xpc,  spicuhe;  ex,  cr.  cj-.  coxa* ; 
tr,  tr,  tr,  trochanters  (1-jointed);  fr.fr.fi;  femora;  ta,  la,  ia,  tibia-;  llm, 
tibial  spur,  the  ninblle  and  posterior  tibia'  beiiifj  i;-si)urred;  In,  tarsi:  d. 
claws;  pr,  pulvillus. 

2.  Marilhi  :  mr,  nitviUa;  x.  stipes;  c,  cardo;  pt'r,  )»aipifer:  iiirji,  maxillary 
paljd;  //«.  galea;  lu,  lacinia. 

'^.   f.dhiidii :  ply,  paljiiger;  Ip,  labial  i)alpi. 

4.  Fnint  wiiiij  of  I'ristoccnt  utra  Khiij. — (',  costal  nervure;  sc,  subcostal  or  sub- 
marginal  nervur*' ;  m,  median  nervure;  sm,  subaiedian  or  anal  nervure; 
m/,  stigma,  or  marginal  nervnre  stif/matetl ;  r,  radius,  or  radial  n(M'vure; 
flit,  cubital  uervnre;  »rf,  subdiscoidal  nervuri!;  /',  basal  nervure;  {in, 
transversti  median  nervure;  d.  first  recurrent  nervure;  sr,  sccontl  recur- 
rent nervure;  ftc,  first  transverse  cubital  nervure;  sic,  second  trar.syerse 
cubital  nervMire,  Cells:  1,  costal;  2,  first  b.isal;  3,  second  basal ;  4,  anal; 
r>,  marginal  or  radial;  0,  first  discoidal;  7.  second  discoidal;  H,  third  <lis- 
coidal;  9,  lirst  subm.'irgiiial;  U),  second  submarginal ;  11,  third  submar- 
ginal;  12,  lirst  apical ;  i;},  second  aitical. 

r>.  H'nid  irinfi  of  JSvljiUi:  sc,  costal  and  subcostal  united  at  base;  m,  median 
iicr\ure;  .v/,  stigma  with  hooks;  /i,  basal  nervure;  c/*/.  cubital,  ''ells:  1, 
•  costal  cell  (open);  2,  basal;  3,  anal. 

ti.  (h'ipositd)'  of  l'rovtotriii>es  I'unduiiis  Say  :  shs.  sheaths  conjoined,  very  long 
and  curved  at  tip;  tha,  terebra,  or  ovi]iositor  proi>er:  /»/».  basal  plates;  spc, 
8i>icuia';  spl,  basal  lol)es  of  spicuhe. 

7.  (triposUor  of  Epjirh  ijrandis    {ejlmial  rirw) :    shs,  slieaths;   fha,  lerelira,   or 

ovipositor  pro]ier,  with  the  two  s]iicula'  {xpc). 

8.  The  so  mi  (niternul  vieir)  :  shs,  slieatlis  or  tiilie;  tha,  ovipo8it.«»r  ]»roper;  spc, 

spicnla',  base  and  ajiex  ;  hp,  basal  plates. 
„  9.  Cross  serlion  of  some :  A.  a  section  from  near  the  base;  1$,  from  near  the  tip 

l(t.  Male  ffeniliiliii  of  Epyria  caihoiioriiis :  A,  viewed  from  above;  ji,  i)enai 
sheath,  strongly  exserted ;  o.  i>ritice  of  penis;  ki,  upper  sheath  or  jdate; 
Is,  lower  shoatli.  IJ,  viewed  fro, u  beneath:  us,  u|>i»er  sheath;  ?.■<,  lower 
siieath ;  p,  penis;  />c,  penal  <laspers;  hi,  swidhMi  bas.il  Itibes  or  plates,  to 
which  the  sheaths  are  attached. 

459 


AGO  KXJ'LAXATIOX    To    I'LATES. 

i"l(i.  11.  Mtilc  gfHitufin  <>/  I'mrtoiryixx  1(1  mini i(.s  (nide  ri<ir,  irilh  riijUl  vviitial  niiiiie  re- 
moval): i'«,  l«'lt  veiitrnl  sjiinc.  or  outer  Hlicatli :  iis.  iijipcr  sliciith  ;  Ix,  lowtT 
sh.'.ith. 

VJ.  Male  ijenilalia  of  Scleroderma  ciiHiidrifiin  \\'«'st\v.  (after  Wexlirood):  «)*,  upper 
Khfiitlis;  Is,  lowiT  sliciitliN. 

l.'i.  (hijxinilor  of  Scleroderma  ephipfniim  (after  ll'eshrood)  :  dd,  si>iLMil;i' ;  h,  rc- 
rurvcd  liases  c)t"  spiculu' ;  Jf',  iiiiis<-ii1:m'  an*;iil:it«Ml  lol»c  or  catcli;  <»■,  iiiciii- 
braiiousplatcM. 

I'l.ATK    II. 

Fi(i.  1.  Piiatocera  aha  Klug  ^. 
'2.  I'rixtocera  atra  Klujj  9  . 
8.  laohrachium  miirmecophilinn  Axliiii.  9  • 

t.   Imhrachitim  mijrmecophilum  Aslnii.  9  •  .  ^ 

5.  Scleroderma  H\t.  g  . 
fi.  Scleri'derma  maerogaxter  Asliiii.   9  ■ 
7.  IHsxom    ,al»s  xaHthopns  Ks,\\\\\.  J. 
K.  lUnaomphaluH  xunthopua  At>ih\\\.  9- 

I'LATK,   HI. 

Fio.    1.  Ateleoplerua  rirf/inieniiis  Aahm.  f. 

'2.  .Iteleopterux  rirffinienxin  Ashni.    9- 

:>.  Apenex'm  coronal  a  Anhiw.  ^. 

4.  ApeuexUiamazomcu  Westw.   9. 

.').  ('ephalouomui  hjialiiiipci inn  Ashui.  ,-i  • 

li.  Cephaloiiomia  gallieola  Ashiii.   9  • 

7.  La'liiis  uitjriapiloxiis  Ashui     9- 

a.  liethyhix  pedatnx  Say  9  • 

/ 

I'I..\TK    IV. 

Fit;.     1.   Front  wing  of  Kupaetiella  at/ilix  Westw.  ^  . 
2.  Front  wing  of  Sierola  ( t)  ainhii/iia  Ashin.  J 
^.  Calyoza  xtaphjilhioidex  Wcstw.  ^  . 
4.  Kpirix  col II mhiaHKH  Afihin.  $. 
").   Mexitiiia  raiicoiircreiitiix  Aisluu.    9  • 
G.  Aiioxiix  Chitleiideiiii  Afihm.  ^. 
7.   Per'ixemiix  foridainix  Aii[\\\\.   9- 
><.   Gouioziix  pliilfitiotie  .\sliin.    9  . 

I'l  ATI-    V. 

Fn;.    1.   Ampiilieomorpha  eoiifiixa  At^hm.  (f  . 
2.    KmUoUmiix  Itiidd'ii  Westw.  ^. 
H.   Drijiiiiix  amcricaiiiis  Aa\\\\\.   9- 

4.  (roiialopiiaflarif roiix  Anhm.  9- 

5.  Laheo  tiiphlocijhiv  Asliiu.  ^  . 
li.  Jiocchiia  flaricollix  Ashui.  9 
7.   I'hurhaa  luticepH  A>^h\\\.  ^  . 

__^__  I'l.ATi:  VL  '----        ^     ^     ^ —  — -^ 

FUi.     1.   t'heloiji/iiiix  CO uade II xi X  Afihiu.  9- — 

2.  An  teo  II  poll  lux  Ashiu.  9. 

3.  Aphelopiix  melalciiciis  Dalni.    9- 

4.  Halirofiellc  iiriiialiix  Sny   ,'  ;  a.  lu'ad  of   9- 


EXPLANATION    TO   PLATES.  461 

Flu.  .">.  Tri^'hontrriDin  ftoridaniis  Ashm.  9  • 

().  lutmcfiaxpiliiH  enjihrolhorux  A.sbiii.   9  !  "•  Ix'iid  of  ^  . 

7.  Mv<juiipihis  Kiviiitiiux  Asliin.   J  ;  «,  liead  ol'  M.  caHfitrnicHu  f. 

8.  Li/(joc<ru>i  il-dciildlim  Ashm.  ^  ;  a,  heart  of   9  • 

9.  .ttritomii8  americaiiHH  Ashm.  <?  . 

10.  LfKjjinodes  viinutu8  A»hni.  9;  «,  head  of  ^. 

Platk  VI L 

Fig.    1.  A2)hn tiogm  118  i-arijx 8  Ai>'hm.    9  ;  <(,  heart  of  .1.  /((V/^r  Ashm.   ^. 

2.  Vrraphroii  jxiiictafiis  Ashm.   9  ;  ''•  lieart  of  J  . 

3.  A'eoccJrtj)/*)!*^  macronfi/rMs  Ashm.  J;  «,  heart  of   9. 

4.  Trimovua  americainm  Aslmi.  ^ 

5.  rhanurv8  fioridnnus  Ashm.  9  • 

6.  Trissolcus  brocliijmcmv  Ashm.  9  • 

7.  Telenomns  s])hhuji8  Ashm.  9  ;  ".  c?  aiiteiiiia. 

8.  Dissolcus  nigricornis  Ashm.  9  ■ 

9.  Aradophagusfasriatiis  Ashm.  9. 

Platk  vm. 

Fig.     1.  Pentacanfha  canadensh  Afihm.  9;  ((.  a1)(lomeii.  viewed  from  the  side. 
L'.   Triaaacantha  americaiia  Ashm.  ^. 
'.^.  Xenomerus  ergenna  Walk.  ^  . 

4.  Proaacanthn  carnhorum  Rih-y  9  :  "•  c?  antenna. 

.").    Teleas paUidipeH  Ashm.   i  \   a,  J  antenna  of  T.  coxuUx  Ashm. 

(i.   Hoplogryon  hmgipcunia  Ashm.  9;    a,  ^antenna  of  ff.  8f>7i/rt;-i«.s  Ashm. 

7.  Gryon  horeal'm  Aslim.  $  . 

5.  Ceratohmi 8  cornutKH  Ashm.   9- 

9.  Jjwus  amcricanun  lh>\y.;  <i.  9  ;    ''.  winj^ed  ^  . 

Pi.ATi:  IX. 

Fig.     1.  i'uhttehia  Ihidcmutnii  .\slini.   9  •  a.  ^  antenna. 

2.  Jfaryconiix  ac(inihili'\h-\  9- 

,S.  i'hromotelna  Heniici/anca  Ashm.   9  :  ".  c^  antenna. 

4.  Opislh(«(()itha  7H<-Uip(fi  Ashm.  9;  <',  side  ^  iew  of  hody  ;  h.  ^  anienn.i. 

.">.  IhroiDitra  hicolor  Ashm.   9- 

!».  MacroicWut  lloridmut  Ashm.  9  I  ",  J  antenna  of  .1/.  )m(iroyitxlir  Ash\i\. 

7.  CaUiaceVvt  httiriuclux  Aslim.  9  ;  "•  <?  antenna. 


8.  Lapitlut  apiiiosa  Ashm.  (? 


P1..VT1;  X. 


Fi(i.     1.  UnpJotehia Jior'idu Hit  \shm.   rf . 

2.  Antcrla  nigricipx  Aslim.  9  ;  "■   <?  antenna. 

:>.  < 'rcmastolxvHii  hivnlor  Ash\\\.  9  ;  "■   S  antenn;i. 

t.  Hddronotiin  hisuliirhi  Ashm.  9  ;  "•   cf  antenna. 

."i.  Idvis  (Viua  Ashm.  9  •  ' 

(5.  Jtanthoacclio  ameriiaiinn  Ashn\.  ^. 

7.  Sjiat'uaioH  2)H'>i<uin  Ashm.  9- 

8.  SceViomnvpha  longirornis  Ashm.  <?  . 

9.  SceJio  hyaJin'tpennh  Ashm.  9  '.  ".  c?  antenna:  .-.  winy  of  ■•>. /MxfijJfiint's  Ashm. 

Pl.AlK    XI. 

Fig.     1.  Iphclraihchis  nmvrii an H8  Ash\\\.  j.  _„—--_---_.—— 

'J.  AUoiropa  (tmericaiia  Ashm.  9;   <'.  r?  .•intenrr., 

3.  MetacUsis  belonocnema  Ash'u.  9  • 


4l!'J  EXPLANATION   TO    PI-ATES. 

Fk;.    4.   MoHocrila  varinain  Ashiii.  9  <  «.  c?  initcniia.  '    ; 

5.  iHOHtasiuH  miiscuhiH  \i^\i\\\.  9. 
fi.   Inostemma  Creii8uni  \sh\\\.  9. 

7.  .icerota  cnryw  Ashiii.  ^  \  a,    9  .nitfiiiia. 

8.  I'ic>itoj)leiira  aiiilluH  "WnWi.   9- 

n.  Xentoiioiiia  <tu(lnc\ph\lH8  Ashiii.  9  ■ 
10.  AmhhjaHpis  lotigipis  Asliiii.  (?;<«,  9  antenna. 

Plat  I :  XII. 

Fig.    1.  Leplacis  rugkepiiAnhui.  9  ;  "i  <?  antt-nna. 

2.  Inorhombun  hualinipi'tinix  Ashm.  ^  ;  a.  9  antt-nua. 

3.  Pol j/mfcu 8 2>itUip( s  Ashm.  9  »  "•  (?  antenna. 

4.  Sartogaster  Hoirardii  AHhni.  ?;«,(?  antenna  <>f  N.  utiomaUrentrix  AhIiu.. 
n.  Sifnopeae  rufipcs  Ashni.  9  ;  "•  cf  antenna. 

6.  <  wlopelta  niirubilis  Ashm.  ^. 

7.  ^itio})edi{t8  error  FiUh  ^  ;  a,  S  antenna. 

8.  Amitl^8  ahiirodinh  Haiti.  9  j  «■  <?  antenna. 

9.  Tricharis  nifij>e8  Ashni.  9  ;  «,  <?  antenna. 

10.   n!/pocam2>sis  2>Ii(lo  Ashui.  9-  '  ' 

Platk  XIII. 

Fig.    1.  Erilri8ao)nern8  acidoinyio'  Ashux.  9  ;  ">  <?  aJitt'una. 

2.  Polygnotus  baccharicola  Ashm.  9  5  w,  <?  antenna. 

3.  riatjigaster  Horidensis  Ashni.  9  ;  ",  <?  antenna. 

4.  I»ocyhu8  paUipea  Say  9  ;  «»  <?  antenna. 

5.  Helorii8  lyaradoxiisVrov.  ^ 
fi.   Diaog  mil  8  areola  tor  Hill.  9- 

7.  rroetotrypea  ctindatufi  t^ay  9  j  "•    9  alulonien,   viewt'il    from    the  side;  ft,  J 

abdomen;  c,  <^  antenna. 

8.  ('odrii8  <ipterognii8  Hal.  9  • 

Platk  XIV. 

Fig.    1.  Ltptorhojitiia  coiiicii8  Ashm.  9  ;  ">  c?  abdomen;  /»,  J  antenna 

2.  Jl/i«<«  (/Za?;rrt  Ashm.  9- 

3.  Acrojnesta  Horirn iida  Ashni.  9  •  • 

4.  Jielytn  froiitiilis  Axhin.  9- 
~y.  Oxylahia  Kpino8ii8  Prov.   9  • 

6.  (inetiis  meUipes  f^'iiy  ^  . 

7.  A'eNo^oma  maiidibiilaris  AkLiii.  9  .  ' 

Platk  XV. 

Fig.    1.  Zelotypa  longiconiis  Ashni.  i  . 

2.  /V(H^><7i8  fl»»o/i8  Ashm.  9  ;  a,  t?  antenna  of  7'.  fd/i/ornicd  Ashiu. 

3.  Zygota  amcricnnn  Ashm.  ^;  n.  front  tibia. 

1.  Aclhlii  riifopi'tiolata  Ashni. 'i  .  , 

r>.  Psiloinma  coliimbiiiiiiim  Ai^hm.  ^  ;  «.  ,^  antenna. 
(5.  l8marii8riitiiiIo8U8  VuTHt.  ^  ;  9  antenna. 

7.  Aco1u8  Zabrinkivi  Ashm.  ^  .  .    •  .    .t.       , 

8.  ^-Incc/o^rt /lir/j/roHS  Ashm.  9  • 


Platk   XVI. 


Fig.    1.   Pantolyta  brunnea  Ashm.  9  . 

2.  Polypesa  Pcrgandri  Ashm.  9  ■ 

3,  Thoron  paUijtes  Ashm.  ?  , 


EXPLANATION   TO    PLA'''':8.  '  463 

Fm.     1.  IleiiiUvxis  sitbemaidhiatuH  Aahiu.^  :  u,  J  tmteuuA. 

■>.  rarameiiius paUidipes  Aahm.^  . 

G.  Caciis  wmnthi  Riley  9  . 

7.  SpUomictus  armatns  \^hn\.  9  :  o,j  anteuim  of  .v. //«ritw»i>. 

X.  HemHexo(hx  ftoridaiu,  Ashni.  9i  «,<?  iiutciiija  of  anotlicr  species. 


I'l.ATi:  x\n. 


Fi<;.     1 


(•lypluiiitiu  uigralavatu  Ashiu.  9  . 
•2.   Tropidopnig  chiratm  Asbm.  9  ;  «,  ^  aiiUujia. 
;i   Idiotiipa  paUida   Asian.  9  ;«,  ^^  antenna. 

4.  Aneitrhyiichus  ttoridaii 111  Ashm.;  i(,g  antenna. 

5.  LahulipH  itniupta  Hal.  9  . 

0.  (itihHus  h'-puiictutiia  Asbni.  9  ;  n.  j  antenn.t. 

7.   I'latymisrhnu  dilutatun  Westw.  J  . 

<s.   Loxotropa  ruficorms  Ashni.  9  ;  ,/,  hea.l  an.l  antenna-  of  J  . 

Plati:   X\1I1. 

Fig.    1.    Tropidopria  I  onica  Lntr.  9  . 

•2.  IHaprki  valiformia  Ashni.  9  ;  «.  ^  antenna. 
.'>.   Ceralojirin  hi/i(scalip(ti  Asliui.  9  . 
4.   Trichopria  rufipca  Asliiu.  9  ;  «,  <?  anteuna. 
.").  Phwiiopria  virginica  Ashm.  ^  ;  a.  9  antenna, 
ti.  Monelata  mellicolUx  Asbm.  9  ;  «.  ^  antenna. 

7.  Basal ys  califoriiiia  Ashui.  ^  ;  «.  9 antenna. 

8.  Myrmecopria  mellcu  Asbni.  9  . 


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aiiuTicaniiM '.'iJO 

(111  vipCH ZW 

Arerota  Fiirwt 'J«) 

caryic 202 

cecirtoinyiii- 201 

tloridaiia L'Bl 

iiielano8tri>]>liii    'M'l 

opaca 2-15 

A«'liHta  Fiirst 1174 

Iwrealis :(78 

t'lilifornica :i78 

coiiica - .  :i77 

'    flnridaiui :i78 

nii»eouriensi8 ;177 

nifa ;)7G 

rufescens :t76 

rufoi>rtiolata 376 

ru^osopetiolata 377 

Acoloidcs  How 169 

bicolor 172 

Emertonii 171 

^'    Howardii 171 

nielleus 172 

;     saitidis 170 

seminiger 173 

»ubapteru8 17:j 

AcoluH  Fiirst 17-1 

borealis 207 

canadentii 207 

rubriclavus 214 

xanthogaster 174 

Zabriskiei 175 

A  coretut  Hal 1(62 

Acropiesta  Forst ;(5r! 

tiavicauda :t54 

subaptera :!54 

Alaptu.i  Cress,  nee  AValk 292 

aleurodis 29.! 

Allotn)pa  Fiirst 250 

americana 2.50 

Ainblyaspis  Fiirst 260 

aniericanus 269 

caliloruicna ...  268 

longipes 270 

roinutus 269 

occidentalis 267 

petiolatus 268 

riiijiceps , 269 

Amlln*  Hald 292 

nli'urodinii 29:i 

Aiiipiiliciimorplia  AmIiiii T9 

roiifiisu HO 


Pa  en. 

.A  ni>ctatii  Fiirst ano 

calit'oriiicii 381 

K'"rsi<ii 382 

liii'tifrous 382 

polita 383 

Aneiirhyiu'hus  Westw 403 

aneunis J24 

fioriduniis 405 

iniTinis 44g 

iiielli|>e8 404 

Sfiiniiini* 35g 

virginiriiH 405 

.1  nUioptera  If  err.  ,Sch 408 

Aiioiniiiatiuin  Fiirst 380 

Ancipedias  Fiirst 290 

frr^r 291 

iiicertus 292 

pontatomus 292 

!    Auoxus  Thomson C7 

Chittendenii 68 

iipvis (58 

[          raiLsruIus 09 

j    Anteon  Jurine 94 

inimitus 97 

I          pallidieornis 97 

jiolitiis 90 

Popenot'i ng 

punrticeps 97 

riigosu.s 96 

tibialis 96 

I           uuifasciatus 'Xj 

I   Aiit«ris  Fiirst 224 

iiigriceps  226 

virginicus 225 

.\  pegiis  Fiirst 226 

td(m<;atiis 227 

Apenesia  Westw 46 

coronata 47 

A pliaiiogmtis  Thoin.s 132 

bicolor 134 

lloridauus 134 

inarylandicas 135 

iiiffer 133 

pallidiiics 135 

varipcs 135 

virginieDNis 13  , 

Aphelopus  Dalm 99 

afflnis 103 

albopictus loi 

amorirantin 100 

inelalcucns loi 

ruHvcntris ,.,,  =  .,...... 100 

Aradopbagna  Asbm 160 

tawiatiiB , 160 

id". 


466 


INDEX. 


I'a.'.'i 

A  rtibohm  Hal 400 

Atol(M)i)t(TU.s  ?"iir.st 43 

nubiliprniiis 44 

tarxalis 45 

virsinicnsis 45 

AtritomiiH  FiJrst 121 

nmcricnnus 122 

Baryconus  Fiirst 215 

n'oaiitlii 215 

floridanut 228 

Baaalys  Westw 442 

anali:) 443 

brpvicomis 440 

califomica 440 

fusripoiinis 444 

picipes 444 

ruflfornis 445 

iitalienaiis 444 

BiL-oneura  Fiirat 232 

cinc'iventrit 213 

bicolor 235 

floridana 217 

Ba-ini,  tribe 167 

Baeus  Hal 1 77 

aniericaniia 170 

clavatus 179 

luiuutus 178 

uiger 178 

piceus 179 

Belyta  Juriiip :J55 

erytlirojius 357 

frontalis 35G 

viellipes 361 

inonilicorniB 356 

texana , ..  357 

Belj-tiiia-,  subfam 345 

Bethylus.  Latr 52 

armi/erut 34 

ccllnlariti 74 

contratus 54 

conftrictus 53 

muicubis 02 

])e(latii8 53 

prolnnijut 72 

Bocchus  Ashiu 91 

fiavicoUia 91 

C. 

Cacus  Kiley JL'.f 

a'cantlii 224 

CalopUnohia  Kiley 241 

Callicerat'isci'H 123 

Calliscelio  Ashm 218 

laticiuctus 219 

Calutelcia  West  w 212 

cinctiventris 213 

Ueideniannii 213 

Marlaltij 214 

nibriclava 214 

striata 213 

Calyoza  Wef tw 57 

Va  mpylonyx  Wust w  [1  )ryinu8  ] 85 

VatUhm  Fiirst 2fi5 

maefilijie.i 205 


Paee 

( .'f|>haloiiuniia  We»l w 47 

i-yiiipiphila  40 

fiiiridana 431 

gallicDla 48 

hirticollin 438 

liyaliDippiiiiiK 49 

nii1iili|ieiiiiis 49 

Ceraphronina-.  siiblaiii 102 

Ccrapbroniui,  tritx' 122 

Ccraphron  Juriue 123 

ampins 129 

armatug 106 

auripes 125 

basalis 127 

<'alifomicu8 127 

oarinatna 131 

f  usciceps 125 

Havisrapns 130 

glaber 130 

longicomis 132 

maerniieunis 136 

inelanooerns 129 

mplan<K-ephalu8 126 

niellipe8 131 

minutu8 125 

pallidiventris 126 

pedalis 130 

panctatiis 127 

8alicici)la  128 

unifolor 128 

Ceraphron  Thorns,  nee  Jnrino 107 

CerntaciD  Tbonis 270 

Ceratoba'us  Ashm 175 

liinotatiiH 176 

eornutU8 176 

Cerafopria  Aslini 428 

bif'oveolafci 430 

tloridana 431 

infii8catiiK>8 431 

lougieepa 429 

luegaplaata  430 

pusilla 430 

CeraUiliin  Hal 381 

Ohelo}:ynu8  Hal 92 

atnvenlris 93 

cauuiIenHis 93 

Ilenshawi 93 

< 'lieliitheliuji  Hciuli 85 

Chlidonia  U.  Sell 4tH) 

( 'hronioteleia  Aaliin 219 

seuiieyanea 220 

('inetus  J  urine 359 

ealifornicus 361 

niatr<Mlyetium 360 

mellipes 361 

nasutus 362 

rulieoruis 360 

ainiilis 361 

( '(Hlrn.s  Jiirine 344 

<  '«i-lopeIta  Ashni 289 

niirabilis , 289 

<  'upehit  I'm V 331 

parailoxu.s 331 

Vopteia  Say 408 

pidita 41U 


Index. 


467 


J'airr.   I 

fori/iiopria  Hiil 441   i 

('I'i'iiiaHtoltM'iiH  Aitlim  "J^W 

l.ii<»l<.r •."-•«  j 

i 
1). 

I)«'inlr(M'«iriiM  Katz 104 

DJapriii  l.air 420 

alMloiiiiiialiit i-' 

iijiroiiiv /.n" 42.'1 

aiiioaliM 428 

arniata 425 

hrericiirnii 391 

<  iiliforiiica 422 

carinata 418 

riliata 428 

colon 425 

<'olum'uiaiia 424 

eoiiiea 418 

crytliriipiis 42:t 

iTytlirothorax 424 

luuHCii' 420 

ulttiiHii .    427 

tenninatiiii :t95 

tutraplasta 42«i 

texana 424 

utalienxm 42:i 

V  irginica 426 

Diapriiiui'.   subfain 384 

Diapriiiii,  tribe 400 

Dicho^iiiiis  Tlioiiis 110 

Vicundylun  Hal 82 

Uipliora  Fiirst 318 

ni»o}rniim  Fiirst 332 

DisHolciis  .Vshiii 164  i 

nigrJcorniH IC'i  J 

UiHSoinplialus  Aslim 41   | 

califoriiicus 43 

caroliuciiHiH 43 

xautliopiis 42 

IlryiiiiiiM',  siibfam 80 

Drjiuus  L."»tr 85 

alatns 86 

aiii«-rtcauu8 87 

bifaHfiatim 86 


Ectadius  Fdrst 277 

Elaptus  Forbi'8  iiec  llal 2iKt 

Eliibolciiiil.s  West w 19 

natvtut 8  J 

Klubok'iuiua>.  subfaiu 77 

Entumacit  Fiirst 388 

Entomius  Herr.  Schf 380 

Epimece*  Wt-st  w 277 

Eplsemus  Thorns !)9 

Epyris  Weatw 57 

a'neiceps 59 

analis 60 

carbouariiis 59 

columbianus  .     60 

grandis 01 

Ufviventrii 34 

niei;a<;ei>lialii8 61 

occidentalis 5!) 

Tiilipefi  Say (iO 


KritriHw>ni<'riii>  .Vslim 298 

I  iMi<loiiiyi:i' 29!! 

Kiiii»";aspilii.s  Ashiii 119 

I'll  iiinlengiit 117 

irytlirol  borax I2tl 

iittaui'iiiiis 117 

Kiip.seiK'Ila  Wfslw 54 

a. 

(lale.HUH  Curt 408 

atrii'oriiiH 400 

MoriilaiiiiH 410 

poll, IS 410 

piliisiis 411 

texaiiu.s 411 

qucb.'cfn.sis 4  9 

(ilyphopria  Hal 388 

<ilyptouota  Fiirst 401 

iiigriclavata 401 

(lonatopiis  I.jiiiigh 82 

bicolor 85 

calilbriiiciis 85 

•tontortiiliis 83 

(lecipieiiH 85 

tlavifroiiH 84 

Uoniuziis  Fiirst 72 

I'f  llularis 74 

coliiiiiliianiis 7  > 

foveolatus 74 

Hubbardi 76 

iuega<'epbalus 74 

lilatynotic 75 

jtolitus 75 

(iryoii  Hal 205 

borcalis 207 

caua<Iensis 207 

I'liliimbiana 208 

llaviiM-8 208 

t'liiiiipfiiiiis 206 

H.                                 ^  .  - 

Habropelto  Tlioms ! .  104 

ariiiutiis 106 

fuscipcnuis 105 

Iladrocera*  Fiirst 123 

Hatlronotiis  Fiirst 229 

aiia.s.i! 233 

tloridaiiiis 232 

largi 231 

lepto<'orisa;  231 

luyrmecopbilus 232 

riigiceps 233 

rugusus 232 

Heloriu*,  siibfam 334 

Helorus  Latr 331 

paradoxus 331 

Heniilexis  Fiirst 388 

brcviooruis ^i  i.yiS9r,i 3W' 

califoniica 390 

mellipetiolata 390 

Hubemarginata 389 

Hemilexoiles  Aslini 399 

doridaua 40O 

Hemitius  West w 142 

ITeterolepit  Nees , 94 


4n8 


INDKX. 


Ilnliiiiediua  FiirHl  . . . 

tiuhili)>riini»  . . .  . 
IIi>I)lii):rv<>n  AhIiiii.  . . 

l)riM>liyi>t«'rnii. . . . 

<'luri|H'iiiiiH 

loii(;i|H-niiiH  ...   . 

iiiiiiiitiHHiiiiiiM  ... 

t>)mi'iiri|ieH 

]iti'ri(liH 

rutip«'8 

Hiilitariua 

tibialis 

Hoplopria  AhIiiii  . . . . 

piilrliripfuiiirt. .. 
Ilii|iIoMin  .VhIiiii 

tloriilniia 

IlyfierhiHiM  Kiirst 

Hy|HM'aiup.sit<  Furxt 

pluto 


"«<■• 
47 
49 
L'INI 
•-•(M 
•M\ 
•.'02 
•-•OJ 
'2iH 
•JOti 

•Mr> 

205 
203 

■Mm 

388 
227 
228 
177 

20« 
298 


I. 


Idiotypa  FJirst 403 

IdriH  FiirHt -  23.1 

lievicppH 235 

IiiuHUtiuniit  Hal 256 

californira 259 

( 'resHoni 257 

Horni 257 

LiutuL-ri 250 

I'at  karili 258 

Kilej  i 258 

iDOHteniiiiiiii  tr:l;ii 248 

Iphetra<ln-liis  Iliil 249 

)iiueri<'aiiiiH 250 

Isiiiariis  Hal 380  ! 

iilropetiolatiix 398  t 

laubrachiuiii  Kiirst 35 

tloriilaiiiini ;iO  ' 

iiiagnuiii 'id 

luandibiilar*' :tx 

iiiontauum 39 

iiiyrmecopliiliini . .  :i7 

rati  ventre 3,S 

lnot'y )>im  Fiirst :i27 

('iiua4lfiisis 329  : 

liiiigivciitri.s 330 

nigrii'lin  lis 328 

palliptts 328   I 

Isorlioinliiis  Kiirst 270  : 

arizoneiisis 277 

liyaliiii|ic-tiiiis 270 

Isusta.'iiiis  Korst 254 

ai'iftiii;i 255 

I'lisciiiunuis 255 

iniiscutuH 255 

I,. 

LalH^o  Hal 87 

loDgitarsis 88 

Iia.sutii8 89 

ti'xaniis 89 

typhlocylw 89 

Labolips  Hal 400 

La-lius  Asliin 5<» 

nigripilitaiis 52 


l.ii'Uiis  Asliiii     <'iiiitiiHii-il,  I*u(!i'.' 

riiti|H'.s 51 

trirai  iiiatiiM 51 

tro^iMli'mialls 51 

r.ajyiiiMliM  l''iir.-<l 120 

iiiiiiiitiiM 121 

Lapillia  .XmIimi    222 

.H|iiii<iNa   222 

I.i'litaris  Kiirst 270 

lirfvivciilris 273 

<'y  iii|ii|>liiliis 274 

llavii-oriiis 275 

tloridaniis 272 

loiigivt'litris 273 

Iiiilx-srcns 275 

piiiictatiis 272 

l>iinrt  iccps 275 

nijciri^ps •. .. .  272 

striatifniiis 273 

Li-ptiirliaptiis  Kiirst 349 

ciMiiciis 350 

riiCiis 350 

Lobosrcl  ilia  West  w 383 

Loxotropa  Kiirst 412 

abniptu 414 

ralirnrnica 415 

roliiiiibiaiia 113 

tia  vijM-s 415 

Itarriiijitonii 435 

viHUa 447 

nana 415 

]>f  zoiiiacliiiiilcM 41G 

niticiirnis 414 

l.ytriM't-nis  Kiirst 107 

nrmatut 100 

californiciis Ill 

Horidaniis 108 

iiig»r 110 

j'acifinis 112 

pi<'ili«s lOD 

C  dentatiis Ill 

stigmatiis 110 

triticiini 110 

lAjUha  Tlioins 357 

Macridiyniiis  Kiir«t 348 

Ma<Toteleia  Wcsi  w 210 

tlorUlaiia 217 

niarnigaster 217 

virginifnsis 218 

Meyatpilidi'a  Ashiii  12".! 

Megai<)iiliiii,  tribe 103 

Mcgaspilus  Westw 112 

anibiguiis 115 

anoiiiali\'oiitris 114 

lalifornicns 118 

(.'anadeiisis 117 

Harrington  i IIG 

Iiyalinipeunis 116 

Iwviceps 118 

hieetis 338 

raary  landiciiR 116 

niger 110 

ottawensis 117 

I'dlieutM-i 114 


INDEX. 


4fi0 


Me;;)iHpiluH  WfHl w— ';«nlinu«l.  I'liKi'. 

IVrgamlel IIH 

S<'h  warjsil 115 

ntii»tip«-M Ilfl 

viruiiiioiiH 117 

Mi-ija»i>iU>ilrt  AhIiiii . . . .  104 

itnnatu* 10* 

MeHitiiiH  Spinuln 62 

liifoveolat  UH 66 

lirarlivpterun 'M 

riiUfoniicUM ■. BTi 

miiiiitiiH 6.1 

monticolu 63 

iit>vHi{eii8ia 04 

tf  XHliim 67 

viiric'iiiiverciiBiH M 

MetjklisiH  Filrst 251 

lielimocnemir 252 

••rythropus 252 

Micropt  Hal 120 

JUionopria  Hal * 403 

Miota  Fiiret 351 

aiiiericana 35;! 

analis 3.V2 

coIiiradenHiH ;t52 

glabra 352 

Monelata  Forst 441 

liirtirollia 442 

iiipllit'ollii* 441 

Mouocritii  Forst 252 

canadensis 329 

I'arinata 2.54 

melanoltropha 262 

nigri|M's 253 

Monomachus  '\Ve«tw 345 

Myiiiarina) 9 

Mymaridio 26 

Myinaroitlop 26 

My nnt.eomorj>hui  Wi'st  w 78 

Myniiecopria  Aslim 447 

mellea 447 

Mystrophoriis  Fiirr.t 9H 

Mythras  Hal 403 

K. 

Neoceraphron  Ashm 136 

inarroiifiirnx 136 

<t, 

Opazwi  Hal 379 

(>pi8tha<:antha  Aslim 221 

iiiellipes 221 

Oxylabis  Fiirst 357 

spinoauH 3.")8 

P. 

PantoclU  Forat 366 

aualin 370 

lalilbruica 371 

coloraUenais 371 

rraHHicomia 369 

Havii>«>8 370 

floridana 372 

inxiilariH 369 

inemiiit 448 


r»ntiM-liit  Fitntt— (,'iintiiiueii.  Pae<*. 

iii<';:uplaNta 368 

iiKiiitnna 3tiM 

|ii<'i|M'i 368 

rulVHicnn 372 

iiiliraiHia 370 

I'aiituly ta  FiirHt ;i83 

briinnca 383 

I'aranirsiiiH  Westw 391 

rlav  i|H-H :i»3 

)>rc(;imfiisirt 395 

palliiliiM^M 395 

parviiliiM 393 

HpinoHii.H 394 

toriniiiatim 393 

iitalit'nitiK 394 

Varaiiero'.a  ( 'am 72 

1'fdiiioiiinia  Fiirnt 78 

I'entacantba  AhIiiii 181 

canatli'iiHiH 182 

Perisenius  Fiirst 69 

fluritlanus 71 

I'lirniii'iiidei) 70 

ni<'lli|M'H 71 

roininiiiH 71 

oregonenHis 70 

prolon^uH 72 

I'liM-nupria  AhIiiii 436 

atliiiiH  .  .      440 

apt«ra 439 

liiiiiiatobiH- 438 

iiiliiiitixsiiiia 438 

inontaiia 440 

parva 440 

.Suhwarzil 439 

virjannira 4U8 

Phanariia  Tlioin» 139 

flavipen- 141 

fluridaniiH HO 

iipat'ii.s 141 

ovlvorus 140 

Phiirbas  Ashiii 10 

laticep.s 90 

PieHtoplfura  FiirMt 26.'> 

maciiliiwH 20,". 

PlatygasttT  Latr 322 

acb'ulatiiH 326 

apliidis 325 

canadensis 329 

carya- 323 

error 291 

floridcnnis 324 

graeilis .326 

HpiTirkii 324 

hiemalif 311 

<ibt»ciirii>«uni8 325 

pallipes 328 

riatygasterimr,  siibfam 247 

I'latygaalerinl.  tribe 202 

PlatymiHchiiH  Wt'stw 411 

torqiiahts 419 

I'olygiiotiiH  Forst 209 

ai-tinomcridiH 317 

alnicola 310 

nii<;ulatim 319 

artoiiiiHiic .109 


470 


INDEX. 


Polygnotim  Pornt— fontlmiiH!.  V»jn\ 

•Hti'iicoU 320 

DHyiiaplw 315 

ii»ri|ili<i» 3«H 

liiirrliiiricolii 306 

rtiliromii'im 321 

I'lilorntlt'iiHis !l2t> 

<'yiii|ii<-ola au 

•lipliwiiliM •  300 

•■iirutiH' ^ 315 

ciiurn' 318 

niiconii* 321 

lloriiluiiUH 318 

liiciiiiiliH 311 

biiacliiii'ii- 318 

laticepx nil 

lii'vicullix  320 

piiiicolu 307 

|iriixiiiiiiH 312 

nil.i 315 

Mili<  iiola 305 

Hiilitlaj;iniH 307 

Htriati<-c]m 308 

striaticolliH 310 

tiiiiiitluH 310 

iitulieiiHiH 311 

vt'riioiiia' 317 

virKiniuDHin 300 

viticola :!13 

I'oly iiitMHH  yiirnt 277 

americanuH  279 

alnicola 283 

iiiiripes 283 

raiiatleiisiH 278 

('i>ni]iri'ssivciilris 282 

liipiiiicola 281 

iiielliHcainm 282 

nigrifuinur 280 

pullipes 270 

picipes 282 

vancou  vurunsis 281 

Polyiilanut  Nees 79 

Poly  jifza  Fiirster 387 

r<Tnan<lei 387 

I'ristcKiera  Klug 32 

annifura 34 

atra 33 

PrortotrypiDaiSiibfum 331 

Proctdtrypes  Latr 333 

abruptus 339 

Jtelfragei 310 

califumicus 338 

cauadensis 342 

oarolineusis '.HI 

caiulatus 335 

flypeatus 330 

crenulatus 335 

fcmuratus 344 

flavipes 338 

Linellii :137 

longicepg 342 

medius 343 

melliventris 337 

obliquns 338 

obsoletiM 340 

pallidus , 336 


J'riMioiryiM'd  Latr— Coiitiniii'il.  I'asc. 

■|iiai1rii'ppH :u3 

i'iiMt;aHtor X\H 

xiiiiiilans :(!2 

tcriiiiiialiH :i37 

ti'xaiiiix 341 

I'roHiiraiitliii  \fc« !K'i 

anicrlf   .i.» lilfl 

aiiiiiilii'oriiis IH8 

biliiii-ata 104 

hriielijuittra 2)4 

ralil'ornica I'K) 

caraboniiii I!»l 

c'iiliiiiil>i:iiia 11(4 

crytlinipiin 195 

(lavicoxa I9<i 

t1avo{M'liulata 196 

l'ii.sri|ii-iiiiiM 194 

i:ra<'ilii'iiriii.-4 193 

la'vit'riin.s .  .^ |90 

I.iiicllii I!ir. 

iiia<  riKtra 197 

manilihularis 20(t 

iiiary  lantlica W.i 

iiiflaiiopuM 189 

nana 191 

iiij;rii»es 188 

p<>iili»yl  vaiiira 189 

plfiiralis 195 

piinctivt'iitriH 192 

]iiisilla 192 

Sell  warzii 192 

Htriatit'ruim 188 

Htriativi-iitris 197 

utalifiisis 189 

xaiitli<i};iiatba 197 

PHibiiiiiiia  Kiirst 379 

ntnerii-ana 353 

coliiiiibiana 379 

ioli>ra<leiitf 352 

J'nlus  Pz 420 

ahdiiiiitnaliu 427 

apicalU 428 

brevieumin 391 

nliatun 428 

colon 425 

olitumm 427 

Unninatut 303 

R. 

Kopronia  Prov 331 

ifriio  Asbiu.  MS 221 

9. 

Sactogaster  Fiirst 281 

auoiualiventris 285 

Uuwanlii 285 

Scelio  Latr 241 

calupteni 245 

floridauus 247 

f  iiscipennis 243 

hyaliuii>eniiiM 243 

Luggeri ' 246 

ledipcMliii 245 


INDEX. 


471 


Srrlin  Lntr— ContlouHl.  l'«g«>. 

oiMriM 34S 

ovi  vonm 24.'l 

liitlliilirorniH 244 

|iHlli<li|H>H 244 

riiHMiitrix 245 

St'clininorpliii  AHlini 23> 

luMiilia 240 

lougit'oniiH 340 

Si-eliiiiiiiiii'.  Hiilifain 136 

Socliimini.  tril>« 208 

Scleivchroa  K.irBt 40 

macrogatter 41 

yallieola 48 

etniipieola 49 

ScltTtMlerniaLalr 40 

iiiii<Ti>jia.Hfer 41 

thoraiicu US 

contraeta 34 

Sc'lerogililia  Slefano 77 

Seipliim  Sclirk 3:i3 

Si«i(ila  Cameron 55 

ainbifjtia 5" 

SpiirHsion  Latr 2:17 

fanielicuiu 238 

nigrum 230 

pacificum 2:«9 

|>ilo8iim 238 

Spiloniicrinl,  tribe 385 

Spilomicnis  Westw :t96 

urtnat.iiB 397 

atriclavns 39S 

iitropetiolatiis :t98 

HavicorniH W8 

foveatiis 399 

longit'orui!* 399 

Synarra  Fiirst 400 

Sytiarsit  Fiirst 13'_' 

Sjnoi)ea»  Fiirst 2»*5 

anteunariic 28t* 

cornicola 288 

inerniis 287 

melauwerus 289 

nigripes 286 

niflpea 287 

ruflacapua 288 

Teleaaini,  tribe 180 

Telt-as  Latr 198 

coxalig 199 

dolicliiH'eruri 145 

iiifimcatipes 154 

linoaticpps 199 

luaiitlilnilaris 1!00 

«»rgyiai ..   152 

])allidipe8 200 

tphingU 155 

Telenomini,  trib« 138 

Telenomns  Hal 142 

aiiaste 233 

arzamte 157 

bifidns 154 

brochymena 164 

californicus 150 


'r)'i«nimiMfi  H«l-  (.'ontiniitMl.  I'aR*. 

clirysopH' 159 

t'liHioTHinpH' 16(1 

I'ti'IixlaMiiHH ISO 

ilolirbot'frim 145 

eiiHfhilti   182 

Kt'oiiictrii' 157 

gnopliii'liP  .   149 

KOHHypiinila 156 

Krarilii'orniM 149 

prapta- 151 

licliiitliiiliH 152 

Hiibliarili 149 

iclithyiirn' ]5;i 

iDl°iiH('ati|iea 154 

KiH'l>«<li'i J47 

lavtrnif 15s 

marulipriinifi 155 

mininiiis 152 

iiigriMcapiiN 147 

IIOCtllH' ]4g 

orgyia- 152 

peiiimy  Ivaniru.s 100 

perHiiiiiliH 150 

P<xli«i 158 

piifiiUiia 148 

"W» 156 

rufoiiiKer lei 

spliiiigis 155 

NitiloHoniatiH 151 

»ty<jicw> 106 

utalu-iiNiH i4g 

Tliliboneti  -n  Ttiiiinx 107 

Tlioron  Hal 168 

paIli|ieH 168 

opaea 141 

Trichaciiit  I'rov 177 

clarrttitf 179 

Trii'hariH  i'iirster 294 

ari/.oneiisiH 290 

auripcM 297 

bniniifipes 296 

rubieola 590 

ruflpes 295 

virginifiisis 297 

Tricbopria  Asbm 431 

caroliueuHis 434 

flavipes 436 

Harringtoiiii 435 

b'rticollis 436 

paeifica 436 

pentaplaata 433 

Popenoei 435 

rufipes 434 

Zimmeniianui 434 

Tricbosteresis  FJirster 107 

floridanus 107 

Triniorurt  Fiirster 133 

aniericana l",9 

Trissacantba  Asbm 182 

umericana 183 

riigosa 184 

Trissolcns  Ashm 161 

bri>cbymen« 164 

euschisti 162 


472 


INDEX. 


■  Trissolrna  Asiim— Continued.  Page. 

niiirgantiie 163 

pmlisj 162 

rufifM-apuH 16:J 

tbyantii' 163 

Xropidopria  Aolini 416 

rarinata 418 

conica •. 418 

simulana 419 

torquata 419 

tetraplasta 420 

Tropidopsis  Ash 402 

clavata 402 

Xenomerua  "Walk 184 

pallidip«8 184 

rubieola 185 


Xenotoiiia  Fiirst 362 

iiiHiidibularis 363 

.Xiintbopus 363 

Xe8tonotiis  KJirst 265 

andriciphihiR. 266 

Z. 

Zaerita  Forst 292 

Zelotypa  Forst 364 

eoloradentit 371 

flavipen 365 

Iongicomi8 365 

ruficomiH 366 

tezana 365 

Zygota  Forst 372 

americana 373 

califomica 373 

texana 374 


